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  • Herein, we show that specifically reducing protamines induces distortion in an SD background, verifying that protamines are transported via the RanGAP/GEF pathway and indicating that E(SD) plays a significant and unique role in the process of distortion. Copyright © The Author(s) 2020. Published by the Genetics Society of America.LRRK2 mutations cause Parkinson's, but the molecular link from increased kinase activity to pathological neurodegeneration remains undetermined. Previous in vitro assays indicate that LRRK2 substrates include at least 8 Rab GTPases. We have now examined this hypothesis in vivo in a functional, electroretinogram screen, expressing each Rab with/without LRRK2-G2019S in selected Drosophila dopaminergic neurons. Our screen discriminated Rab10 from Rab3. The strongest Rab/LRRK2-G2019S interaction is with Rab10; the weakest with Rab3. Rab10 is expressed in a different set of dopaminergic neurons from Rab3. Thus, anatomical and physiological patterns of Rab10 are related. We conclude that Rab10 is a valid substrate of LRRK2 in dopaminergic neurons in vivo We propose that variations in Rab expression contribute to differences in the rate of neurodegeneration recorded in different dopaminergic nuclei in Parkinson's. Copyright © The Author(s) 2020. Published by the Genetics Society of America.Genetic variants within complement factor H (CFH), a major alternative complement pathway regulator, are associated with the development of age-related macular degeneration (AMD) and other complementopathies. This is explained with the reduced binding of CFH or its splice variant factor H-like protein 1 (FHL-1) to self-ligands or altered self-ligands (e.g., malondialdehyde Mda Training-modified molecules) involved in homeostasis, thereby causing impaired complement regulation. Considering the critical role of CFH in inhibiting alternative pathway activation on MDA-modified surfaces, we performed an unbiased genome-wide search for genetic variants that modify the ability of plasma CFH to bind MDA in 1,830 individuals and characterized the mechanistic basis and the functional consequences of this. In a cohort of healthy individuals, we identified rs1061170 in CFH and the deletion of CFHR3 and CFHR1 as dominant genetic variants that modify CFH/FHL-1 binding to MDA. We further demonstrated that FHR1 and FHR3 compete with CFH for binding to MDA-epitopes and that FHR1 displays the highest affinity toward MDA-epitopes compared to CFH and FHR3. Moreover, FHR1 bound to MDA-rich areas on necrotic cells and prevented CFH from mediating its cofactor activity on MDA-modified surfaces, resulting in enhanced complement activation. These findings provide a mechanistic explanation as to why the deletion of CFHR3 and CFHR1 is protective in AMD and highlight the importance of genetic variants within the CFH/CFHR3/CFHR1 locus in the recognition of altered-self in tissue homeostasis. Copyright © 2020 the Author(s). Published by PNAS.The extracellular matrix (ECM) initiates mechanical cues that activate intracellular signaling through matrix-cell interactions. In blood vessels, additional mechanical cues derived from the pulsatile blood flow and pressure play a pivotal role in homeostasis and disease development. Currently, the nature of the cues from the ECM and their interaction with the mechanical microenvironment in large blood vessels to maintain the integrity of the vessel wall are not fully understood. Here, we identified the matricellular protein thrombospondin-1 (Thbs1) as an extracellular mediator of matrix mechanotransduction that acts via integrin αvβ1 to establish focal adhesions and promotes nuclear shuttling of Yes-associated protein (YAP) in response to high strain of cyclic stretch. Thbs1-mediated YAP activation depends on the small GTPase Rap2 and Hippo pathway and is not influenced by alteration of actin fibers. Deletion of Thbs1 in **** inhibited Thbs1/integrin β1/YAP signaling, leading to maladaptive remodeling of the aorta in response to pressure overload and inhibition of neointima formation upon carotid artery ligation, exerting context-dependent effects on the vessel wall. We thus propose a mechanism of matrix mechanotransduction centered on Thbs1, connecting mechanical stimuli to YAP signaling during vascular remodeling in vivo.Synesthesia is a neurologic trait in which specific inducers, such as sounds, automatically elicit additional idiosyncratic percepts, such as color (thus "colored hearing"). One explanation for this trait-and the one tested here-is that synesthesia results from unusually weak pruning of cortical synaptic hyperconnectivity during early perceptual development. We tested the prediction from this hypothesis that synesthetes would be superior at making discriminations from nonnative categories that are normally weakened by experience-dependent pruning during a critical period early in development-namely, discrimination among nonnative phonemes (Hindi retroflex /d̪a/ and dental /ɖa/), among chimpanzee faces, and among inverted human faces. Like the superiority of 6-mo-old infants over older infants, the synesthetic groups were significantly better than control groups at making all the nonnative discriminations across five samples and three testing sites. https://www.selleckchem.com/products/i-bet-762.html The consistent superiority of the synesthetic groups in making discriminations that are normally eliminated during infancy suggests that residual cortical connectivity in synesthesia supports changes in perception that extend beyond the specific synesthetic percepts, consistent with the incomplete pruning hypothesis.The factors and mechanisms involved in vacuolar transport in plants, and in particular those directing vesicles to their target endomembrane compartment, remain largely unknown. To identify components of the vacuolar trafficking machinery, we searched for Arabidopsis modified transport to the vacuole (mtv) mutants that abnormally secrete the synthetic vacuolar cargo VAC2. We report here on the identification of 17 mtv mutations, corresponding to mutant alleles of MTV2/VSR4, MTV3/PTEN2A MTV7/EREL1, MTV8/ARFC1, MTV9/PUF2, MTV10/VPS3, MTV11/VPS15, MTV12/GRV2, MTV14/GFS10, MTV15/BET11, MTV16/VPS51, MTV17/VPS54, and MTV18/VSR1 Eight of the MTV proteins localize at the interface between the trans-Golgi network (TGN) and the multivesicular bodies (MVBs), supporting that the trafficking step between these compartments is essential for segregating vacuolar proteins from those destined for secretion. Importantly, the GARP tethering complex subunits MTV16/VPS51 and MTV17/VPS54 were found at endoplasmic reticulum (ER)- and microtubule-associated compartments (EMACs).
    Herein, we show that specifically reducing protamines induces distortion in an SD background, verifying that protamines are transported via the RanGAP/GEF pathway and indicating that E(SD) plays a significant and unique role in the process of distortion. Copyright © The Author(s) 2020. Published by the Genetics Society of America.LRRK2 mutations cause Parkinson's, but the molecular link from increased kinase activity to pathological neurodegeneration remains undetermined. Previous in vitro assays indicate that LRRK2 substrates include at least 8 Rab GTPases. We have now examined this hypothesis in vivo in a functional, electroretinogram screen, expressing each Rab with/without LRRK2-G2019S in selected Drosophila dopaminergic neurons. Our screen discriminated Rab10 from Rab3. The strongest Rab/LRRK2-G2019S interaction is with Rab10; the weakest with Rab3. Rab10 is expressed in a different set of dopaminergic neurons from Rab3. Thus, anatomical and physiological patterns of Rab10 are related. We conclude that Rab10 is a valid substrate of LRRK2 in dopaminergic neurons in vivo We propose that variations in Rab expression contribute to differences in the rate of neurodegeneration recorded in different dopaminergic nuclei in Parkinson's. Copyright © The Author(s) 2020. Published by the Genetics Society of America.Genetic variants within complement factor H (CFH), a major alternative complement pathway regulator, are associated with the development of age-related macular degeneration (AMD) and other complementopathies. This is explained with the reduced binding of CFH or its splice variant factor H-like protein 1 (FHL-1) to self-ligands or altered self-ligands (e.g., malondialdehyde [MDA]-modified molecules) involved in homeostasis, thereby causing impaired complement regulation. Considering the critical role of CFH in inhibiting alternative pathway activation on MDA-modified surfaces, we performed an unbiased genome-wide search for genetic variants that modify the ability of plasma CFH to bind MDA in 1,830 individuals and characterized the mechanistic basis and the functional consequences of this. In a cohort of healthy individuals, we identified rs1061170 in CFH and the deletion of CFHR3 and CFHR1 as dominant genetic variants that modify CFH/FHL-1 binding to MDA. We further demonstrated that FHR1 and FHR3 compete with CFH for binding to MDA-epitopes and that FHR1 displays the highest affinity toward MDA-epitopes compared to CFH and FHR3. Moreover, FHR1 bound to MDA-rich areas on necrotic cells and prevented CFH from mediating its cofactor activity on MDA-modified surfaces, resulting in enhanced complement activation. These findings provide a mechanistic explanation as to why the deletion of CFHR3 and CFHR1 is protective in AMD and highlight the importance of genetic variants within the CFH/CFHR3/CFHR1 locus in the recognition of altered-self in tissue homeostasis. Copyright © 2020 the Author(s). Published by PNAS.The extracellular matrix (ECM) initiates mechanical cues that activate intracellular signaling through matrix-cell interactions. In blood vessels, additional mechanical cues derived from the pulsatile blood flow and pressure play a pivotal role in homeostasis and disease development. Currently, the nature of the cues from the ECM and their interaction with the mechanical microenvironment in large blood vessels to maintain the integrity of the vessel wall are not fully understood. Here, we identified the matricellular protein thrombospondin-1 (Thbs1) as an extracellular mediator of matrix mechanotransduction that acts via integrin αvβ1 to establish focal adhesions and promotes nuclear shuttling of Yes-associated protein (YAP) in response to high strain of cyclic stretch. Thbs1-mediated YAP activation depends on the small GTPase Rap2 and Hippo pathway and is not influenced by alteration of actin fibers. Deletion of Thbs1 in mice inhibited Thbs1/integrin β1/YAP signaling, leading to maladaptive remodeling of the aorta in response to pressure overload and inhibition of neointima formation upon carotid artery ligation, exerting context-dependent effects on the vessel wall. We thus propose a mechanism of matrix mechanotransduction centered on Thbs1, connecting mechanical stimuli to YAP signaling during vascular remodeling in vivo.Synesthesia is a neurologic trait in which specific inducers, such as sounds, automatically elicit additional idiosyncratic percepts, such as color (thus "colored hearing"). One explanation for this trait-and the one tested here-is that synesthesia results from unusually weak pruning of cortical synaptic hyperconnectivity during early perceptual development. We tested the prediction from this hypothesis that synesthetes would be superior at making discriminations from nonnative categories that are normally weakened by experience-dependent pruning during a critical period early in development-namely, discrimination among nonnative phonemes (Hindi retroflex /d̪a/ and dental /ɖa/), among chimpanzee faces, and among inverted human faces. Like the superiority of 6-mo-old infants over older infants, the synesthetic groups were significantly better than control groups at making all the nonnative discriminations across five samples and three testing sites. https://www.selleckchem.com/products/i-bet-762.html The consistent superiority of the synesthetic groups in making discriminations that are normally eliminated during infancy suggests that residual cortical connectivity in synesthesia supports changes in perception that extend beyond the specific synesthetic percepts, consistent with the incomplete pruning hypothesis.The factors and mechanisms involved in vacuolar transport in plants, and in particular those directing vesicles to their target endomembrane compartment, remain largely unknown. To identify components of the vacuolar trafficking machinery, we searched for Arabidopsis modified transport to the vacuole (mtv) mutants that abnormally secrete the synthetic vacuolar cargo VAC2. We report here on the identification of 17 mtv mutations, corresponding to mutant alleles of MTV2/VSR4, MTV3/PTEN2A MTV7/EREL1, MTV8/ARFC1, MTV9/PUF2, MTV10/VPS3, MTV11/VPS15, MTV12/GRV2, MTV14/GFS10, MTV15/BET11, MTV16/VPS51, MTV17/VPS54, and MTV18/VSR1 Eight of the MTV proteins localize at the interface between the trans-Golgi network (TGN) and the multivesicular bodies (MVBs), supporting that the trafficking step between these compartments is essential for segregating vacuolar proteins from those destined for secretion. Importantly, the GARP tethering complex subunits MTV16/VPS51 and MTV17/VPS54 were found at endoplasmic reticulum (ER)- and microtubule-associated compartments (EMACs).
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  • BACKGROUND Depending on the level of lesion, spinal cord injury (SCI) individuals have limited ability to stand and walk. They have to use various assistive devices to restore their abilities. The aim of this study was to evaluate the stability of SCI individuals during walking and quiet standing. MATERIAL AND METHODS Three groups normal subjects and SCI individuals with complete and incomplete lesions, were enrolled. Stability of the subjects was evaluated based on center of pressure (COP) sways in quiet standing and spatiotemporal gait parameters in walking. The difference between the stability of normal and SCI subjects was determined by use of the two-sample t test. The correlation between the mean values of stability parameters in standing and walking and lesion level was determined by use of Pearson's correlation. RESULTS The stability of SCI subjects during quiet standing was better than that of normal subjects. How-ever, their dynamic stability was significantly less than normal subjects. The dynamic stability of complete and incomplete SCI subjects did not differ significantly (P-value less then 0.05). There was no correlation between lesion level and stability parameters. CONCLUSIONS 1. SCI individuals suffer mostly from lack of dynamic stability, which does not depend on their lesion levels. 2. It seems that this problem may be due to rehabilitation methods used to improve stability in these patients. 3. It is recommended that new methods of rehabilitation or assistive devices should be used to improve stability of these individuals.A talus fracture accompanied by trochlear dislocation is an ever-present therapeutic problem as it requires immediate surgery since any delay may result in necrosis of soft tissues and the talus, which, consequently, leads to permanent disability. Of crucial importance in the treatment of such injury is accurate analysis of fracture morphology, immediate institution of treatment and minimally invasive surgery allowing early movement of the affected limb. We operated on a male patient after a high-energy injury using a low-invasive method we had modified, which allowed for early kinesiotherapy. The functional outcome of the procedure was very good.BACKGROUND Ankle sprains are one of the most common injuries in both athletes and the general population. A major problem accompanying ankle injury is the high rate of recurrence, with about 20% of acute ankle sprain patients developing chronic ankle instability. Unlike acute ankle sprain, chronic ankle instability usually needs surgical intervention. Various anatomic reconstruction techniques using the ruptured ends of the ligaments to restore stability have gained popularity. The purpose of this study was to evaluate the functional results of the treatment of chronic lateral ankle instability with anatomic repair of the injured ligaments and reinforcement with polyester tape. MATERIAL AND METHODS A prospective study of 30 consecutive patients who underwent anatomic reconstruction of the lateral ligaments using transosseous suturing and augmentation using a polyester tape done at a single centre by a single surgeon from 2016 to 2017. All patients were assessed preoperatively and postoperatively at 6 weeks, 3, 6 and 12 months. The American Orthopaedic Foot and Ankle Score (AOFAS) and Free Online Foot and Ankle Ability Measure (FAAM) were recorded and used for results analysis. RESULTS At 12 months' follow-up, the AOFAS had improved from mean 52.47 ± 2.06 to 91.0 ± 6.03 (p less then 0.001) .The FAAM mean score had improved from mean 55.21± 1.9 to 90.43 ± 4.02 Conclusion. The ankle ligament reconstruction with additional polyester tape augmentation is an effective technique in treating chronic ankle instability with a satisfactory surgical outcome.BACKGROUND Advanced degenerative hip joint disease is bilateral in approximately 20% of cases, prompting questions of whether it is necessary to perform two separate surgical procedures, whether simultaneous bilateral hip replacement makes the surgical treatment too extensive, and whether it significantly affects the postoperative course. MATERIAL AND METHODS The study analysed the duration of hospitalisation, perioperative complications, and the need for blood transfusion in 30 patients (27 men and 3 women) with bilateral hip osteoarthritis who underwent simultaneous bilateral total hip replacement from a minimally invasive direct anterior approach followed by a fast track protocol for optimisation of perioperative management between 2014 and 2017. The mean age of patients was 60.2 years (range 43 to 77 years) and the mean follow-up period was 28 months (range 18 to 48 months). RESULTS Mean duration of hospitalisation was 4.5 days (range 3 to 9 days). A total of 4 patients (13%) required allogeneic blood transfusion. No patient developed thromboembolic or infectious complications or implant dislocation after surgery. Apart from one case where the acetabulum was not selected correctly, which resulted in postoperative loosening, there were no other significant medical events potentially related to the surgical treatment. CONCLUSIONS Simultaneous bilateral total hip arthroplasty using a minimally invasive direct approach and a fast track protocol for optimisation of perioperative management does not increase the need for perioperative blood transfusion or the number of surgical complications and constitutes a safe, effective, and recommendable method of treatment in patients with advanced bilateral degenerative disease of the hip joints.BACKGROUND First metatarsophalangeal joint arthrodesis is the gold standard in the treatment of arthritis of the first MTP joint as well as an effective salvage procedure after unsuccessful primary forefoot procedures. The paper aims to present an evaluation of mid-term functional results and specify the causes of low postoperative satisfaction among patients. MATERIAL AND METHODS 44 patients who underwent operative treatment in the years 2012-2018 were assessed with the AOFAS-MTP, EFAS and VAS scores and a radiological evaluation after at least half a year of follow-up. Multiple factors were analysed with regard to their influence on functional results and overall patient satisfaction. Our results were then compared to those of the most recent meta-analysis. https://www.selleckchem.com/products/oltipraz.html RESULTS The mean follow-up time was 27.4 months (from 6 to 82 months). The mean AOFAS-MTP score increased from 30.5 (SD 15.6) to 67.16 (SD 18.68), the mean EFAS score increased from 8.2 (SD 5.2) to 17.2 (SD 6.7), and the mean VAS score decreased from 7.6 (SD 1.
    BACKGROUND Depending on the level of lesion, spinal cord injury (SCI) individuals have limited ability to stand and walk. They have to use various assistive devices to restore their abilities. The aim of this study was to evaluate the stability of SCI individuals during walking and quiet standing. MATERIAL AND METHODS Three groups normal subjects and SCI individuals with complete and incomplete lesions, were enrolled. Stability of the subjects was evaluated based on center of pressure (COP) sways in quiet standing and spatiotemporal gait parameters in walking. The difference between the stability of normal and SCI subjects was determined by use of the two-sample t test. The correlation between the mean values of stability parameters in standing and walking and lesion level was determined by use of Pearson's correlation. RESULTS The stability of SCI subjects during quiet standing was better than that of normal subjects. How-ever, their dynamic stability was significantly less than normal subjects. The dynamic stability of complete and incomplete SCI subjects did not differ significantly (P-value less then 0.05). There was no correlation between lesion level and stability parameters. CONCLUSIONS 1. SCI individuals suffer mostly from lack of dynamic stability, which does not depend on their lesion levels. 2. It seems that this problem may be due to rehabilitation methods used to improve stability in these patients. 3. It is recommended that new methods of rehabilitation or assistive devices should be used to improve stability of these individuals.A talus fracture accompanied by trochlear dislocation is an ever-present therapeutic problem as it requires immediate surgery since any delay may result in necrosis of soft tissues and the talus, which, consequently, leads to permanent disability. Of crucial importance in the treatment of such injury is accurate analysis of fracture morphology, immediate institution of treatment and minimally invasive surgery allowing early movement of the affected limb. We operated on a male patient after a high-energy injury using a low-invasive method we had modified, which allowed for early kinesiotherapy. The functional outcome of the procedure was very good.BACKGROUND Ankle sprains are one of the most common injuries in both athletes and the general population. A major problem accompanying ankle injury is the high rate of recurrence, with about 20% of acute ankle sprain patients developing chronic ankle instability. Unlike acute ankle sprain, chronic ankle instability usually needs surgical intervention. Various anatomic reconstruction techniques using the ruptured ends of the ligaments to restore stability have gained popularity. The purpose of this study was to evaluate the functional results of the treatment of chronic lateral ankle instability with anatomic repair of the injured ligaments and reinforcement with polyester tape. MATERIAL AND METHODS A prospective study of 30 consecutive patients who underwent anatomic reconstruction of the lateral ligaments using transosseous suturing and augmentation using a polyester tape done at a single centre by a single surgeon from 2016 to 2017. All patients were assessed preoperatively and postoperatively at 6 weeks, 3, 6 and 12 months. The American Orthopaedic Foot and Ankle Score (AOFAS) and Free Online Foot and Ankle Ability Measure (FAAM) were recorded and used for results analysis. RESULTS At 12 months' follow-up, the AOFAS had improved from mean 52.47 ± 2.06 to 91.0 ± 6.03 (p less then 0.001) .The FAAM mean score had improved from mean 55.21± 1.9 to 90.43 ± 4.02 Conclusion. The ankle ligament reconstruction with additional polyester tape augmentation is an effective technique in treating chronic ankle instability with a satisfactory surgical outcome.BACKGROUND Advanced degenerative hip joint disease is bilateral in approximately 20% of cases, prompting questions of whether it is necessary to perform two separate surgical procedures, whether simultaneous bilateral hip replacement makes the surgical treatment too extensive, and whether it significantly affects the postoperative course. MATERIAL AND METHODS The study analysed the duration of hospitalisation, perioperative complications, and the need for blood transfusion in 30 patients (27 men and 3 women) with bilateral hip osteoarthritis who underwent simultaneous bilateral total hip replacement from a minimally invasive direct anterior approach followed by a fast track protocol for optimisation of perioperative management between 2014 and 2017. The mean age of patients was 60.2 years (range 43 to 77 years) and the mean follow-up period was 28 months (range 18 to 48 months). RESULTS Mean duration of hospitalisation was 4.5 days (range 3 to 9 days). A total of 4 patients (13%) required allogeneic blood transfusion. No patient developed thromboembolic or infectious complications or implant dislocation after surgery. Apart from one case where the acetabulum was not selected correctly, which resulted in postoperative loosening, there were no other significant medical events potentially related to the surgical treatment. CONCLUSIONS Simultaneous bilateral total hip arthroplasty using a minimally invasive direct approach and a fast track protocol for optimisation of perioperative management does not increase the need for perioperative blood transfusion or the number of surgical complications and constitutes a safe, effective, and recommendable method of treatment in patients with advanced bilateral degenerative disease of the hip joints.BACKGROUND First metatarsophalangeal joint arthrodesis is the gold standard in the treatment of arthritis of the first MTP joint as well as an effective salvage procedure after unsuccessful primary forefoot procedures. The paper aims to present an evaluation of mid-term functional results and specify the causes of low postoperative satisfaction among patients. MATERIAL AND METHODS 44 patients who underwent operative treatment in the years 2012-2018 were assessed with the AOFAS-MTP, EFAS and VAS scores and a radiological evaluation after at least half a year of follow-up. Multiple factors were analysed with regard to their influence on functional results and overall patient satisfaction. Our results were then compared to those of the most recent meta-analysis. https://www.selleckchem.com/products/oltipraz.html RESULTS The mean follow-up time was 27.4 months (from 6 to 82 months). The mean AOFAS-MTP score increased from 30.5 (SD 15.6) to 67.16 (SD 18.68), the mean EFAS score increased from 8.2 (SD 5.2) to 17.2 (SD 6.7), and the mean VAS score decreased from 7.6 (SD 1.
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  • Lissodendoryx (L.) littoralis n. sp. fistulate habitus is adapted to muddy substrates similar to some Polymastia species also found commonly in the Northeast Pacific. It has subtylostyles 185-336 µm, tylotes 112-229 µm, arcuate isochelas 11-23 µm, and sigmas 30-75 µm. Lissodendoryx (L.) toxaraphida n. sp. is the only described Lissodendoryx species with raphides shaped like toxas. It has acanthostyles 140-286 µm, tornotes 143-195µm, arcuate isochelas 18-34 µm and toxiform raphides 65-156 µm. Myxilla (M.) austini n. sp. has a fistulate habitus and both tornote and tylote megascleres. It appears to be tolerant of low oxygen environments. Myxilla (M.) austini n. sp. has smooth to sparsely spined styles 193-353 µm, tylotes 153-221 µm, tornotes 174-260 µm, two sizes of anchorate isochelas 13-27, 42-81 µm, and two sizes of sigmas 13-47, 33-78 µm. All specimens were collected from shallow water (intertidal to 25 m).Over the course of my career I have described nine Branchiopod genera and one subgenus, either alone or with other researchers. From these, four genera and the subgenus belong to Anostraca. But I was remiss in designating type species for one of those taxa which caused the name to become unavailable. This short communication is to rectify this unfortunate error on my part.A new solifuge species in the genus Gaucha Mello-Leitão, 1924 and the ibirapemussu species-group is herein described based on males and females collected at Itacuruba, State of Pernambuco, and Jaicós, State of Piauí, both in Northeastern Brazil. Males of the new species can be readily recognized by having the movable finger MM and MSM teeth reduced and of similar size. The present finding raises to twelve the number of described species in the genus, five of which belong to the ibirapemussu species-group. Besides, a new locality record for the species Gaucha ibirapemussu (Carvalho et al., 2010) is here presented, along with an updated identification key for all Gaucha species.Neolycaena enkhnasani sp. n. is described from the Dzhungarian Gobi desert. The food plant is Halimodendron halodendron (Fabacea). The new species is distinguished from the related taxa known from East Kazakhstan by small size, dense gray suffusion on the hindwing underside, a delicate and partly reduced submarginal underside pattern as well as the characters of the genitalia the shape of the valva in males and the shape of the antrum in females. Important new data about the distribution and distinctions of N. zaisana (Zhdanko, 2013) and N. balchaschensis Zhdanko, 1998 are published together with photos of the genitalia of all the three taxa.Anachauliodes Kimmins, 1954 (Megaloptera Corydalidae Chauliodinae) is a fishfly genus endemic to the Oriental Region with only one recognized species, Anachauliodes laboissierei (Navás, 1913). Currently, the immature stages of this genus are completely unknown. Here we describe the larvae of A. laboissierei for the first time. The larval characters, especially the strongly developed respiratory tubes on the abdominal segment VIII, support a close relationship between Anachauliodes and the eastern Nearctic Chauliodes Latreille, 1796.The genus Hyalella is endemic to the North and South America. There are currently 14 species described in North America and the Caribbean. For a long time, it had been assumed that different populations of these animals represented a single species, Hyalella azteca (Saussure, 1858). However, molecular analyses have demonstrated H. azteca sensu lato to be a complex of multiple species, so some species that occur in the United States have been mistakenly identified. Our aim in this paper was to describe a new species of Hyalella, found in Oklahoma, USA. The new species can be differentiated from the others, mainly because it presents serrated setae in the maxilla 2, because it does not have flanges on the surface of the body, presents the palm of the gnathopod 2 of the same size as the distal-posterior margin of the propodus, by shape and number of setae on the uropod 3 and telson. The description of this new species of Hyalella increases to 15 the number of species of the genus for the USA. It is important to understand the diversity of Hyalella with consideration of their possible role as bioindicators of environmental quality, and further consideration of their conservation status, and especially for species known from a single spring.A key to, and distributional information about, is given concerning the 11 Anaphothrips species known from China, including the descriptions of three new species A. nonporous sp. n., A. oroqeni sp. n. and A. qinghaiensis sp. n. The male and micropterous female of A. beijing Mirab-balou, Chen & Tong and the male of A. populi Zhang Tong are described for the first time. The European species A. atroapterus Priesner is newly recorded from China.One new species of Rhinoxenus Kritsky, Boeger & Thatcher, 1988 from the nasal cavities and four new species of Mymarothecioides n. gen. from the gills are described in Hydrolycus armatus (Jardine & Schomburgk). They were collected in the Xingu River, Pará, Brazil. Rhinoxenus cachorra n. sp. is characterized by having a ventral anchor with inconspicuous roots, and point with fish-hook-like termination; copulatory complex comprising a spiraled male copulatory organ (MCO) with two counterclockwise coils, and an accessory piece with an expanded, bifurcated distal portion. Mymarothecioides n. gen. is proposed and characterized for species without eyes, with or without accessory chromatic granules; copulatory complex comprising articulated MCO, accessory piece; MCO a broad arcuate tube; an accessory piece with a hooked termination in the distal portion; a dextro or midventral non-sclerotized vagina; an anteromedial projection on the ventral bar. Mymarothecium whittingtoni Kritsky, Boeger & Jé**, 1996 is transferred to Mymarothecioides n. gen. as Mymarothecioides whittingtoni (Kritsky, Boeger & Jé**, 1996) n. comb.Herein are erected several new taxa and taxonomic changes based on a study of the Old World genera of Peiratinae Sphodrembas gen. nov. is erected for a single new species, Sphodrembas fumipennis sp. nov. from Kenya and Tanzania. https://www.selleckchem.com/products/wz-811.html Ectomocoris caccabatus sp. nov. is newly described and represents the first record of the genus from the Korean Peninsula. Chaulioleistes gen. nov. is erected for Peirates singularis Stål, 1874, resulting in Chaulioleistes singularis (Stål, 1874) comb. nov. Isdegardes Distant, 1909, described in Acanthaspidinae (=Reduviinae), is considered a junior synonym of the peiratine genus Phalantus Stål, 1863 syn. nov., resulting in Phalantus melanocephalus (Distant, 1909) comb. nov. for the type species of Isdegardes. Lestomerus wroughtoni Bergroth, 1915 is transferred to Brachysandalus Stål, 1866, resulting in Brachysandalus wroughtoni (Bergroth, 1915) comb. nov. The previously proposed synonymy of Polychitonocoris formosus Miller, 1940 with Calistocoris caesareus Reuter, 1881 is corroborated.
    Lissodendoryx (L.) littoralis n. sp. fistulate habitus is adapted to muddy substrates similar to some Polymastia species also found commonly in the Northeast Pacific. It has subtylostyles 185-336 µm, tylotes 112-229 µm, arcuate isochelas 11-23 µm, and sigmas 30-75 µm. Lissodendoryx (L.) toxaraphida n. sp. is the only described Lissodendoryx species with raphides shaped like toxas. It has acanthostyles 140-286 µm, tornotes 143-195µm, arcuate isochelas 18-34 µm and toxiform raphides 65-156 µm. Myxilla (M.) austini n. sp. has a fistulate habitus and both tornote and tylote megascleres. It appears to be tolerant of low oxygen environments. Myxilla (M.) austini n. sp. has smooth to sparsely spined styles 193-353 µm, tylotes 153-221 µm, tornotes 174-260 µm, two sizes of anchorate isochelas 13-27, 42-81 µm, and two sizes of sigmas 13-47, 33-78 µm. All specimens were collected from shallow water (intertidal to 25 m).Over the course of my career I have described nine Branchiopod genera and one subgenus, either alone or with other researchers. From these, four genera and the subgenus belong to Anostraca. But I was remiss in designating type species for one of those taxa which caused the name to become unavailable. This short communication is to rectify this unfortunate error on my part.A new solifuge species in the genus Gaucha Mello-Leitão, 1924 and the ibirapemussu species-group is herein described based on males and females collected at Itacuruba, State of Pernambuco, and Jaicós, State of Piauí, both in Northeastern Brazil. Males of the new species can be readily recognized by having the movable finger MM and MSM teeth reduced and of similar size. The present finding raises to twelve the number of described species in the genus, five of which belong to the ibirapemussu species-group. Besides, a new locality record for the species Gaucha ibirapemussu (Carvalho et al., 2010) is here presented, along with an updated identification key for all Gaucha species.Neolycaena enkhnasani sp. n. is described from the Dzhungarian Gobi desert. The food plant is Halimodendron halodendron (Fabacea). The new species is distinguished from the related taxa known from East Kazakhstan by small size, dense gray suffusion on the hindwing underside, a delicate and partly reduced submarginal underside pattern as well as the characters of the genitalia the shape of the valva in males and the shape of the antrum in females. Important new data about the distribution and distinctions of N. zaisana (Zhdanko, 2013) and N. balchaschensis Zhdanko, 1998 are published together with photos of the genitalia of all the three taxa.Anachauliodes Kimmins, 1954 (Megaloptera Corydalidae Chauliodinae) is a fishfly genus endemic to the Oriental Region with only one recognized species, Anachauliodes laboissierei (Navás, 1913). Currently, the immature stages of this genus are completely unknown. Here we describe the larvae of A. laboissierei for the first time. The larval characters, especially the strongly developed respiratory tubes on the abdominal segment VIII, support a close relationship between Anachauliodes and the eastern Nearctic Chauliodes Latreille, 1796.The genus Hyalella is endemic to the North and South America. There are currently 14 species described in North America and the Caribbean. For a long time, it had been assumed that different populations of these animals represented a single species, Hyalella azteca (Saussure, 1858). However, molecular analyses have demonstrated H. azteca sensu lato to be a complex of multiple species, so some species that occur in the United States have been mistakenly identified. Our aim in this paper was to describe a new species of Hyalella, found in Oklahoma, USA. The new species can be differentiated from the others, mainly because it presents serrated setae in the maxilla 2, because it does not have flanges on the surface of the body, presents the palm of the gnathopod 2 of the same size as the distal-posterior margin of the propodus, by shape and number of setae on the uropod 3 and telson. The description of this new species of Hyalella increases to 15 the number of species of the genus for the USA. It is important to understand the diversity of Hyalella with consideration of their possible role as bioindicators of environmental quality, and further consideration of their conservation status, and especially for species known from a single spring.A key to, and distributional information about, is given concerning the 11 Anaphothrips species known from China, including the descriptions of three new species A. nonporous sp. n., A. oroqeni sp. n. and A. qinghaiensis sp. n. The male and micropterous female of A. beijing Mirab-balou, Chen & Tong and the male of A. populi Zhang Tong are described for the first time. The European species A. atroapterus Priesner is newly recorded from China.One new species of Rhinoxenus Kritsky, Boeger & Thatcher, 1988 from the nasal cavities and four new species of Mymarothecioides n. gen. from the gills are described in Hydrolycus armatus (Jardine & Schomburgk). They were collected in the Xingu River, Pará, Brazil. Rhinoxenus cachorra n. sp. is characterized by having a ventral anchor with inconspicuous roots, and point with fish-hook-like termination; copulatory complex comprising a spiraled male copulatory organ (MCO) with two counterclockwise coils, and an accessory piece with an expanded, bifurcated distal portion. Mymarothecioides n. gen. is proposed and characterized for species without eyes, with or without accessory chromatic granules; copulatory complex comprising articulated MCO, accessory piece; MCO a broad arcuate tube; an accessory piece with a hooked termination in the distal portion; a dextro or midventral non-sclerotized vagina; an anteromedial projection on the ventral bar. Mymarothecium whittingtoni Kritsky, Boeger & Jégu, 1996 is transferred to Mymarothecioides n. gen. as Mymarothecioides whittingtoni (Kritsky, Boeger & Jégu, 1996) n. comb.Herein are erected several new taxa and taxonomic changes based on a study of the Old World genera of Peiratinae Sphodrembas gen. nov. is erected for a single new species, Sphodrembas fumipennis sp. nov. from Kenya and Tanzania. https://www.selleckchem.com/products/wz-811.html Ectomocoris caccabatus sp. nov. is newly described and represents the first record of the genus from the Korean Peninsula. Chaulioleistes gen. nov. is erected for Peirates singularis Stål, 1874, resulting in Chaulioleistes singularis (Stål, 1874) comb. nov. Isdegardes Distant, 1909, described in Acanthaspidinae (=Reduviinae), is considered a junior synonym of the peiratine genus Phalantus Stål, 1863 syn. nov., resulting in Phalantus melanocephalus (Distant, 1909) comb. nov. for the type species of Isdegardes. Lestomerus wroughtoni Bergroth, 1915 is transferred to Brachysandalus Stål, 1866, resulting in Brachysandalus wroughtoni (Bergroth, 1915) comb. nov. The previously proposed synonymy of Polychitonocoris formosus Miller, 1940 with Calistocoris caesareus Reuter, 1881 is corroborated.
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  • This study aimed to evaluate the oxidative status and antioxidant capacity in maternal and fetal livers upon undernutrition as well as the connection between oxidative stress and lipid metabolism disorder. Ten ewes, who were pregnant for 115 days, were restricted to a 30% level of ad libitum feed intake to develop an undernourished model, while another 10 pregnant ewes were fed normally as controls. Undernutrition induced severe lipid metabolism disorder and oxidative stress in blood, maternal liver, and fetal liver. RNA-sequencing data displayed that antioxidant capacity was changed and antioxidant genes were downregulated in maternal and fetal livers of the undernourished model. Non-esterified fatty acids (NEFAs) and beta-hydroxybutyrate (BHBA) levels showed a positive correlation with oxidative indices and negative correlation with the expression of antioxidant genes both in maternal and fetal livers. Primary hepatocytes experiments confirmed that both high levels of NEFAs and BHBA could elicit oxidative stress and decrease antioxidant capacity, and the peroxisome proliferator-activated receptor alpha (PPARA)/retinoid X receptor alpha (RXRA) signaling pathway played a vital role in enhancing antioxidant capacity and relieving oxidative stress. In conclusion, maternal undernutrition induced lipid metabolism disorder, which downregulated antioxidant genes, decreased antioxidant activity, and further triggered oxidative stress both in maternal and fetal livers. Activation of PPARA/RXRA signaling could enhance antioxidant capacity and mitigate oxidative stress. Our findings contribute to protecting the pregnant mother and her fetus from oxidative stress. © 2020 Federation of American Societies for Experimental Biology.Deep-eutectic solvents (DESs) are regarded as alternative green solvents to ionic liquids. In this work we report the structural properties and hydrogen bonding (H-bonding) interactions of an aqueous DES system. The used DES, ethaline (ETH), is composed of choline chloride and ethylene glycol (EG) in 1  2 molar ratio. The investigations were carried out by FTIR spectroscopy combined with quantum chemical calculations. Excess spectroscopy and two-dimensional correlation spectroscopy (2D-COS) were used to explore the data in detail. The results showed that, upon mixing, ETH transforms to EG dimers and trimers and D2 O clusters transform to various ETH-D2 O complexes. Theoretical calculations show that water molecules insert between the anion and cation of ETH, break the strong doubly ionic Cl-… H-OCh+ H-bond, share charges of the ions and form H-bond with them, thus modulate the interaction properties of ETH. This study deepens our molecular-level understanding of the system and would shed light on its applications. © 2020 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.Fuel-driven self-assemblies are gaining ground for creating autonomous systems and materials, whose temporal behavior is preprogrammed by a reaction network. However, up to now there is a lack of simple external control mechanisms of the transient behavior, at best using remote and benign light control. Even more challenging is to use different wavelengths to modulate different components of the system, such as fuel or building blocks. Success would enable such systems to navigate along different trajectories in a wavelength-dependent fashion. Herein, we introduce the first examples of light control in ATP-fueled, dynamic covalent DNA polymerization systems organized in an enzymatic reaction network of concurrent ATP-powered ligation and restriction. We demonstrate concepts for light-activation and -modulation by introducing caged ATP derivatives and caged DNA building blocks, enabling to realize light-activated fueling, self-sorting in structure and behavior, and transition across different wavelength-dependent dynamic steady states. © 2020 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.Carbon dioxide (CO 2 ) conversion is promising in alleviating the excessive CO 2 level and simultaneously producing valuables. This work reports the preparation of carbon nanorods encapsulated bismuth oxides for the efficient CO 2 electroconversion toward formate production. This resultant catalyst exhibits a small onset potential of -0.28 V vs. RHE and partial current density of over 200 mA cm -2 with a stable and high Faradaic efficiency of 93% for formate generation in a flow cell configuration. Electrochemical results demonstrate the synergistic effect in the Bi 2 O 3 @C promotes the rapid and selective CO 2 reduction, in which the Bi 2 O 3 is beneficial for improving the reaction kinetics and formate selectivity, while the carbon matrix would be helpful for enhancing the activity and current density of formate production. This work provides effective bismuth-based MOF derivatives for efficient formate production and offers insights in promoting practical CO 2 conversion technology. © 2020 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.Patient-derived pluripotent stem cells (PSCs) have greatly transformed the current understanding of human heart development and cardiovascular disease. https://www.selleckchem.com/products/Dihydromyricetin-Ampeloptin.html Cardiomyocytes derived from personalized PSCs are powerful tools for modeling heart disease and performing patient-based cardiac toxicity testing. However, these PSC-derived cardiomyocytes (PSC-CMs) are a mixed population of atrial-, ventricular-, and pacemaker-like cells in the dish, hindering the future of precision cardiovascular medicine. Recent insights gleaned from the developing heart have paved new avenues to refine subtype-specific cardiomyocytes from patients with known pathogenic genetic variants and clinical phenotypes. Here, we discuss the recent progress on generating subtype-specific (atrial, ventricular, and nodal) cardiomyocytes from the perspectives of embryonic heart development, and how they will expand our current knowledge on molecular mechanisms of cardiovascular disease and the future of precision medicine. © AlphaMed Press 2020 SIGNIFICANCE STATEMENT This review article summarizes the recent process on how to generate chamber-specific cardiomyocytes from human pluripotent stem cells from the perspectives of developmental biology. Precise generation of atrial-, ventricular-, and pacemaker-like cardiomyocytes will greatly facilitate the translational applications of patient-derived induced pluripotent stem cells. © 2020 AlphaMed Press.
    This study aimed to evaluate the oxidative status and antioxidant capacity in maternal and fetal livers upon undernutrition as well as the connection between oxidative stress and lipid metabolism disorder. Ten ewes, who were pregnant for 115 days, were restricted to a 30% level of ad libitum feed intake to develop an undernourished model, while another 10 pregnant ewes were fed normally as controls. Undernutrition induced severe lipid metabolism disorder and oxidative stress in blood, maternal liver, and fetal liver. RNA-sequencing data displayed that antioxidant capacity was changed and antioxidant genes were downregulated in maternal and fetal livers of the undernourished model. Non-esterified fatty acids (NEFAs) and beta-hydroxybutyrate (BHBA) levels showed a positive correlation with oxidative indices and negative correlation with the expression of antioxidant genes both in maternal and fetal livers. Primary hepatocytes experiments confirmed that both high levels of NEFAs and BHBA could elicit oxidative stress and decrease antioxidant capacity, and the peroxisome proliferator-activated receptor alpha (PPARA)/retinoid X receptor alpha (RXRA) signaling pathway played a vital role in enhancing antioxidant capacity and relieving oxidative stress. In conclusion, maternal undernutrition induced lipid metabolism disorder, which downregulated antioxidant genes, decreased antioxidant activity, and further triggered oxidative stress both in maternal and fetal livers. Activation of PPARA/RXRA signaling could enhance antioxidant capacity and mitigate oxidative stress. Our findings contribute to protecting the pregnant mother and her fetus from oxidative stress. © 2020 Federation of American Societies for Experimental Biology.Deep-eutectic solvents (DESs) are regarded as alternative green solvents to ionic liquids. In this work we report the structural properties and hydrogen bonding (H-bonding) interactions of an aqueous DES system. The used DES, ethaline (ETH), is composed of choline chloride and ethylene glycol (EG) in 1  2 molar ratio. The investigations were carried out by FTIR spectroscopy combined with quantum chemical calculations. Excess spectroscopy and two-dimensional correlation spectroscopy (2D-COS) were used to explore the data in detail. The results showed that, upon mixing, ETH transforms to EG dimers and trimers and D2 O clusters transform to various ETH-D2 O complexes. Theoretical calculations show that water molecules insert between the anion and cation of ETH, break the strong doubly ionic Cl-… H-OCh+ H-bond, share charges of the ions and form H-bond with them, thus modulate the interaction properties of ETH. This study deepens our molecular-level understanding of the system and would shed light on its applications. © 2020 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.Fuel-driven self-assemblies are gaining ground for creating autonomous systems and materials, whose temporal behavior is preprogrammed by a reaction network. However, up to now there is a lack of simple external control mechanisms of the transient behavior, at best using remote and benign light control. Even more challenging is to use different wavelengths to modulate different components of the system, such as fuel or building blocks. Success would enable such systems to navigate along different trajectories in a wavelength-dependent fashion. Herein, we introduce the first examples of light control in ATP-fueled, dynamic covalent DNA polymerization systems organized in an enzymatic reaction network of concurrent ATP-powered ligation and restriction. We demonstrate concepts for light-activation and -modulation by introducing caged ATP derivatives and caged DNA building blocks, enabling to realize light-activated fueling, self-sorting in structure and behavior, and transition across different wavelength-dependent dynamic steady states. © 2020 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.Carbon dioxide (CO 2 ) conversion is promising in alleviating the excessive CO 2 level and simultaneously producing valuables. This work reports the preparation of carbon nanorods encapsulated bismuth oxides for the efficient CO 2 electroconversion toward formate production. This resultant catalyst exhibits a small onset potential of -0.28 V vs. RHE and partial current density of over 200 mA cm -2 with a stable and high Faradaic efficiency of 93% for formate generation in a flow cell configuration. Electrochemical results demonstrate the synergistic effect in the Bi 2 O 3 @C promotes the rapid and selective CO 2 reduction, in which the Bi 2 O 3 is beneficial for improving the reaction kinetics and formate selectivity, while the carbon matrix would be helpful for enhancing the activity and current density of formate production. This work provides effective bismuth-based MOF derivatives for efficient formate production and offers insights in promoting practical CO 2 conversion technology. © 2020 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.Patient-derived pluripotent stem cells (PSCs) have greatly transformed the current understanding of human heart development and cardiovascular disease. https://www.selleckchem.com/products/Dihydromyricetin-Ampeloptin.html Cardiomyocytes derived from personalized PSCs are powerful tools for modeling heart disease and performing patient-based cardiac toxicity testing. However, these PSC-derived cardiomyocytes (PSC-CMs) are a mixed population of atrial-, ventricular-, and pacemaker-like cells in the dish, hindering the future of precision cardiovascular medicine. Recent insights gleaned from the developing heart have paved new avenues to refine subtype-specific cardiomyocytes from patients with known pathogenic genetic variants and clinical phenotypes. Here, we discuss the recent progress on generating subtype-specific (atrial, ventricular, and nodal) cardiomyocytes from the perspectives of embryonic heart development, and how they will expand our current knowledge on molecular mechanisms of cardiovascular disease and the future of precision medicine. © AlphaMed Press 2020 SIGNIFICANCE STATEMENT This review article summarizes the recent process on how to generate chamber-specific cardiomyocytes from human pluripotent stem cells from the perspectives of developmental biology. Precise generation of atrial-, ventricular-, and pacemaker-like cardiomyocytes will greatly facilitate the translational applications of patient-derived induced pluripotent stem cells. © 2020 AlphaMed Press.
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  • RESULTS Compared with the control group, the liver weight and liver index in the model group increased by 27% and 24%, respectively; And steatosis occurred in the liver tissue; The levels of serum ALT, TG, TC, LDL-C, IL-6, IL-1β were significantly increased, the level of serum HDL-C was significantly decreased(P less then 0. 05). Compared with the model group, liver weight, liver index, levels of serum ALT, TG, FBG, IL-6 and IL-1β were significantly lower in the 20, 60 mg/kg lycopene intervention groups(P less then 0. 05), the INS and HOMA-IR index showed a downward trend; Liver tissue lesions were reduced to different degrees, and the effect was more significant in the 60 mg/kg lycopene group. CONCLUSION Lycopene can improve non-alcoholic fatty liver disease by regulating glycolipid metabolism and reducing levels of inflammatory cytokines in rats.OBJECTIVE To investigate the effects of resveratrol combined with soy isoflavones on avoidance memory, number of neuron-specific nuclear protein(NeuN) positive cells and expressions of glucose transporter(GLUT)1 and GLUT3 in hippocampus of aging model rats. METHODS A total of 60 female SD rats were randomly divided into 6 groups including sham control group, aging model group, 80 mg/kg resveratrol group, 160 mg/kg soy isoflavones group, 80 mg/kg resveratrol +160 mg/kg soy isoflavones group, 0. 8 mg/kg estradiol valerate group. The aging model rats was induced by ovariectomy combined with intraperitoneal injection of 100 mg/kg D-galactose. Intragastric administration was performed once a day for 12 weeks. The avoidance task was measured by the shuttle box test. The NeuN expression were measured by the immunofluorescence. The genes and proteins expression of GLUT1 and GLUT3 in rat hippocampus were detected by real-time PCR and Western blot, respectively. RESULTS Compared with the sham control group, the avoidance latency in the aging model group was prolonged, and the active avoidance response rate and the total avoidance response rate were decreased. The number of NeuN positive cells decreased and the expression levels of GLUT1 and GLUT3 genes and proteins were decreased(P0. 05). CONCLUSION Resveratrol and soy isoflavones alone and in combination can improve the learning and memory ability of aging rat models. The mechanism may be related to up-regulating the expression of GLUT1 and GLUT3 genes and proteins in the hippocampus, promoting the transmembrane transport of glucose and reducing neuronal loss.OBJECTIVE To understand the exposure levels of polycyclic aromatic hydrocarbons(PAHs) and the expression of interleukin-2(IL-2), interferon-γ(IFN-γ), interleukin-4(IL-4), interleukin-10(IL-10) in peripheral blood of coke oven workers exposed to coke oven emissions(COEs). The other purpose of this study was to understand the performance of IFN-γ and IL-10 epigenetic mechanisms in COEs exposure damage. METHODS The 85 workers exposed to COEs in a coking plant were randomly selected as the exposure group. The 47 workers who were exposed to non-COEs in the coking plant were used as the control group. The morning urine of the exposure group and the control group were subjected to detection of 1-OHPyr levels with alkaline hydrolysis High-performance liquid chromatography fluorescence, urine creatinine correction. The peripheral venous blood were subjected to detection of the expression of IL-2, IFN-γ, IL-4 and IL-10 with enzyme-linked immunosorbent assay. And methylation levels of IFN-γ and IL-10 were analyzed by tit in the furnace. The difference was statistically significant. The IL-10 CpG-11, CpG-15 and mean methylation rates in the exposed group were lower than those in the control group, and the differences were statistically significant. The methylation rate of IFN-γ CpG-5 in the exposed group was higher than that in the control group, and the difference was statistically significant. The urine 1-OHPyr content of coke oven workers was negatively correlated with TH1/TH2 ratio and IFN-γ expression level, and positively correlated with IL-4 and IL-10 levels. The IL-10 CpG-11, CpG-15 methylation rate decreased with increasing urine 1-OHPyr concentration. CONCLUSION The side and top of the furnace worker exposed to COEs were the key targets for occupational health. The exposure of coke oven workers to COEs affected the expression of immunoregulatory cytokines. The exposure of COEs caused the change of IL-10 methylation rate.OBJECTIVE To investigate the contamination levels of sodium nitrite in cooked meat from parts of China during 2012-2015. METHODS The samples were detected in accordance with the national standardization method, and were determined by the GB 2760-2014. RESULTS The average sodium nitrite in cooked meat was 9. 7 mg/kg with the content range from not detected to 85. 3 mg/kg, and its exceeding standard rate was 4. https://www.selleckchem.com/products/pilaralisib-xl147.html 8%(922/19360). The average sodium nitrite in visceral products was 16. 6 mg/kg, which was the highest in all kinds of cooked meat. The exceeding standard rate of farmers' market was significantly higher than that of other sampling links. The exceeding standard rate of bulk samples was 5. 8 times of the stereotyped packaging. The exceeding standard rate was downgrade year by year. The main problem was the bulk sauce-stewed meat product in the farm product market which the exceeding standard rate was 9. 5%(327/3461). CONCLUSION A four-year successive observation shows that the quality of cooked meat with sodium nitrite is improved. But the problem is focused on the bulk. The risk of nitrite in cooked meat is lower.OBJECTIVE To assess the intake of caffeine from snacks among children and adolescents aged 6-17 years in Beijing City. METHODS A multi-stage stratified cluster random sampling method was adopted to obtain the consumption status of caffeine-containing snacks among 881 school-age children and adolescents in Chaoyang, Changping and Yanqing Districts through a 3 d 24 h continuous questionnaire survey between October 2016 and February 2017, and the caffeine content in snacks was obtained through literature retrieval and laboratory detection. RESULTS The proportion of caffeinated snacks consumers among children and adolescents aged 6-17 years in Beijing was 42. 45%(374/881). The average daily caffeine intake of the whole population was 9. 19 mg, with a median of 0 and a P95 of 41. 38 mg. The average daily caffeine intake of consumers was 21. 66 mg, with a median of 11. 03 mg and 76. 99 mg of P95. About 1. 60%(6/374) of individuals exceeded the daily safe intake level and there were statistically significant differences in caffeine intake between different ages, genders, grades and groups with and without tea drinking habits after weight was taken into account.
    RESULTS Compared with the control group, the liver weight and liver index in the model group increased by 27% and 24%, respectively; And steatosis occurred in the liver tissue; The levels of serum ALT, TG, TC, LDL-C, IL-6, IL-1β were significantly increased, the level of serum HDL-C was significantly decreased(P less then 0. 05). Compared with the model group, liver weight, liver index, levels of serum ALT, TG, FBG, IL-6 and IL-1β were significantly lower in the 20, 60 mg/kg lycopene intervention groups(P less then 0. 05), the INS and HOMA-IR index showed a downward trend; Liver tissue lesions were reduced to different degrees, and the effect was more significant in the 60 mg/kg lycopene group. CONCLUSION Lycopene can improve non-alcoholic fatty liver disease by regulating glycolipid metabolism and reducing levels of inflammatory cytokines in rats.OBJECTIVE To investigate the effects of resveratrol combined with soy isoflavones on avoidance memory, number of neuron-specific nuclear protein(NeuN) positive cells and expressions of glucose transporter(GLUT)1 and GLUT3 in hippocampus of aging model rats. METHODS A total of 60 female SD rats were randomly divided into 6 groups including sham control group, aging model group, 80 mg/kg resveratrol group, 160 mg/kg soy isoflavones group, 80 mg/kg resveratrol +160 mg/kg soy isoflavones group, 0. 8 mg/kg estradiol valerate group. The aging model rats was induced by ovariectomy combined with intraperitoneal injection of 100 mg/kg D-galactose. Intragastric administration was performed once a day for 12 weeks. The avoidance task was measured by the shuttle box test. The NeuN expression were measured by the immunofluorescence. The genes and proteins expression of GLUT1 and GLUT3 in rat hippocampus were detected by real-time PCR and Western blot, respectively. RESULTS Compared with the sham control group, the avoidance latency in the aging model group was prolonged, and the active avoidance response rate and the total avoidance response rate were decreased. The number of NeuN positive cells decreased and the expression levels of GLUT1 and GLUT3 genes and proteins were decreased(P0. 05). CONCLUSION Resveratrol and soy isoflavones alone and in combination can improve the learning and memory ability of aging rat models. The mechanism may be related to up-regulating the expression of GLUT1 and GLUT3 genes and proteins in the hippocampus, promoting the transmembrane transport of glucose and reducing neuronal loss.OBJECTIVE To understand the exposure levels of polycyclic aromatic hydrocarbons(PAHs) and the expression of interleukin-2(IL-2), interferon-γ(IFN-γ), interleukin-4(IL-4), interleukin-10(IL-10) in peripheral blood of coke oven workers exposed to coke oven emissions(COEs). The other purpose of this study was to understand the performance of IFN-γ and IL-10 epigenetic mechanisms in COEs exposure damage. METHODS The 85 workers exposed to COEs in a coking plant were randomly selected as the exposure group. The 47 workers who were exposed to non-COEs in the coking plant were used as the control group. The morning urine of the exposure group and the control group were subjected to detection of 1-OHPyr levels with alkaline hydrolysis High-performance liquid chromatography fluorescence, urine creatinine correction. The peripheral venous blood were subjected to detection of the expression of IL-2, IFN-γ, IL-4 and IL-10 with enzyme-linked immunosorbent assay. And methylation levels of IFN-γ and IL-10 were analyzed by tit in the furnace. The difference was statistically significant. The IL-10 CpG-11, CpG-15 and mean methylation rates in the exposed group were lower than those in the control group, and the differences were statistically significant. The methylation rate of IFN-γ CpG-5 in the exposed group was higher than that in the control group, and the difference was statistically significant. The urine 1-OHPyr content of coke oven workers was negatively correlated with TH1/TH2 ratio and IFN-γ expression level, and positively correlated with IL-4 and IL-10 levels. The IL-10 CpG-11, CpG-15 methylation rate decreased with increasing urine 1-OHPyr concentration. CONCLUSION The side and top of the furnace worker exposed to COEs were the key targets for occupational health. The exposure of coke oven workers to COEs affected the expression of immunoregulatory cytokines. The exposure of COEs caused the change of IL-10 methylation rate.OBJECTIVE To investigate the contamination levels of sodium nitrite in cooked meat from parts of China during 2012-2015. METHODS The samples were detected in accordance with the national standardization method, and were determined by the GB 2760-2014. RESULTS The average sodium nitrite in cooked meat was 9. 7 mg/kg with the content range from not detected to 85. 3 mg/kg, and its exceeding standard rate was 4. https://www.selleckchem.com/products/pilaralisib-xl147.html 8%(922/19360). The average sodium nitrite in visceral products was 16. 6 mg/kg, which was the highest in all kinds of cooked meat. The exceeding standard rate of farmers' market was significantly higher than that of other sampling links. The exceeding standard rate of bulk samples was 5. 8 times of the stereotyped packaging. The exceeding standard rate was downgrade year by year. The main problem was the bulk sauce-stewed meat product in the farm product market which the exceeding standard rate was 9. 5%(327/3461). CONCLUSION A four-year successive observation shows that the quality of cooked meat with sodium nitrite is improved. But the problem is focused on the bulk. The risk of nitrite in cooked meat is lower.OBJECTIVE To assess the intake of caffeine from snacks among children and adolescents aged 6-17 years in Beijing City. METHODS A multi-stage stratified cluster random sampling method was adopted to obtain the consumption status of caffeine-containing snacks among 881 school-age children and adolescents in Chaoyang, Changping and Yanqing Districts through a 3 d 24 h continuous questionnaire survey between October 2016 and February 2017, and the caffeine content in snacks was obtained through literature retrieval and laboratory detection. RESULTS The proportion of caffeinated snacks consumers among children and adolescents aged 6-17 years in Beijing was 42. 45%(374/881). The average daily caffeine intake of the whole population was 9. 19 mg, with a median of 0 and a P95 of 41. 38 mg. The average daily caffeine intake of consumers was 21. 66 mg, with a median of 11. 03 mg and 76. 99 mg of P95. About 1. 60%(6/374) of individuals exceeded the daily safe intake level and there were statistically significant differences in caffeine intake between different ages, genders, grades and groups with and without tea drinking habits after weight was taken into account.
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  • BACKGROUND Cancer-associated fibroblasts (CAFs) have been intensively studied in recent studies with aims of finding more concrete evidence on their mechanism of involvement in tumor progression, which is currently unknown. CAFs can secrete exosomes which are loaded with proteins, lipids and RNAs, all of which affect tumor microenvironment. The present study identified microRNA-93-5p (miR-93-5p) as a novel exosomal cargo responsible for the pro-tumorigenic effects of CAFs on colorectal cancer (CRC). METHODS CAFs and normal fibroblasts (NFs) were isolated from cancerous tissues and matched with paracancerous tissues that had been surgically resected from CRC patients. The interaction among miR-93-5p, forkhead box A1 (FOXA1) and TGFB3 was identified through ChIP and dual luciferase reporter assays. The proliferation and apoptosis of SW480 cells co-cultured with CAFs-derived exosomes under irradiation were evaluated by CCK-8, colony formation, and flow cytometric assays. Tumorigenesis of SW480 cells in nude **** was assessed under the irradiation. RESULTS FOXA1 was found to be associated with reduced radioresistance in CRC cells and was verified as a target of miR-93-5p. CAFs-derived exosomes contained higher miR-93-5p than those from NFs, which augmented SW480 cell proliferation and rescued them from radiation-induced apoptosis. miR-93-5p was identified as a mediator of the exosomal effects of CAFs on SW480 cells, possibly through downregulating FOXA1 and upregulating TGFB3. FOXA1 could bind to the promoter of TGFB3, thereby inhibiting nuclear accumulation of TGFB3. Also, CAFs-derived exosomes containing miR-93-5p increased the tumor growth of SW480 cells in irradiated nude ****. CONCLUSION The present study identifies miR-93-5p as a specific exosomal cargo that rescues CRC cells against radiation-induced apoptosis.INTRODUCTION In individuals having low **** pain, the application of spinal manipulative therapy (SMT) has been shown to reduce spinal stiffness in those who report improvements in post-SMT disability. The underlying mechanism for this rapid change in stiffness is not understood presently. As clinicians and patients may benefit from a better understanding of this mechanism in terms of optimizing care delivery, the objective of this scoping review of current literature was to identify if potential mechanisms that explain this clinical response have been previously described or could be elucidated from existing data. METHODS Three literature databases were systematically searched (MEDLINE, CINAHL, and PubMed). Our search terms included subject headings and keywords relevant to SMT, spinal stiffness, lumbar spine, and mechanism. Inclusion criteria for candidate studies were publication in English, quantification of lumbar spinal stiffness before and after SMT, and publication between January 2000 and June 2019. RESULTS The search identified 1931 articles. Of these studies, 10 were included following the application of the inclusion criteria. From these articles, 7 themes were identified with respect to potential mechanisms described or derived from data 1) change in muscle activity; 2) increase in mobility; 3) decrease in pain; 4) increase in pressure pain threshold; 5) change in spinal tissue behavior; 6) change in the central nervous system or reflex pathways; and 7) correction of a vertebral dysfunction. CONCLUSIONS This scoping review identified 7 themes put forward by authors to explain changes in spinal stiffness following SMT. Unfortunately, none of the studies provided data which would support the promotion of one theme over another. As a result, this review suggests a need to develop a theoretical framework to explain rapid biomechanical changes following SMT to guide and prioritize future investigations in this important clinical area.OBJECTIVE To provide an anatomical basis for the development of oblique lumbar interbody fusion (OLIF) in Chinese patients. METHODS Between November 2018 and June 2019, 300 patients' lumbar MRI data were reviewed. According to the Moro system and zone method described by us, the axial view was vertically divided into 6 zones (A, I II, III, IV, P) and was horizontally divided into 4 zones (R, a, b, c, L). The locations of left psoas muscle and the major artery at L2/3, L3/4, and L4/5 levels were evaluated by the grid system. The aortic bifurcation segments will also be evaluated at the level of the vertebral body or the disc. RESULTS At the L2/3 level, left psoas muscle and the major artery in zone Ib were found in 28.0% of subjects, in zone IIb in 20.3%, and in zone Ic in 20.0%; at the L3/4 level, in zone Ab in 20.7% of subjects, in zone Ac in 26.0%, and in zone Ic in 11.0%; and at the L4/5 level, areas in zone Ab in 31.0% of subjects, in zone Ac in 26.0%, and in zone Ib in 11.7%. The aortic bifurcation segments were mainly at the L4 level. The zone of the left psoas muscle at all levels, the zone of the major artery at L4/5 level, and the zone of the aortic bifurcation segments had significant correlation with gender difference (P less then 0.05). CONCLUSION The left-sided OLIF at L2-L5 disc levels can be a feasible type of surgery for lumbar interbody fusion in the majority of Chinese patients. Before the operation, in order to screen out the appropriate surgical approach, routine lumbar magnetic resonance imaging is recommended to analyze the patient's local anatomical features.BACKGROUND The growing use of silica nanoparticles (SiNPs) in many fields raises human toxicity concerns. We studied the toxicity of SiNP-20 (particle diameter 20 nm) and SiNP-100 (100 nm) and the underlying mechanisms with a focus on the endothelium both in vitro and in vivo. METHODS The study was conducted in cultured human umbilical vein endothelial cells (HUVECs) and adult female Balb/c **** using several techniques. RESULTS In vitro, both SiNP-20 and SiNP-100 decreased the viability and damaged the plasma membrane of cultured HUVECs. The nanoparticles also inhibited HUVECs migration and tube formation in a concentration-dependent manner. Both SiNPs induced significant calcium mobilization and generation of reactive oxygen species (ROS), increased the phosphorylation of vascular endothelial (VE)-cadherin at the site of tyrosine 731 residue (pY731-VEC), decreased the expression of VE-cadherin expression, disrupted the junctional VE-cadherin continuity and induced F-actin re-assembly in HUVECs. https://www.selleckchem.com/products/dx600.html The injuries were reversed by blocking Ca2+ release activated Ca2+ (CRAC) channels with YM58483 or by eliminating ROS with N-acetyl cysteine (NAC).
    BACKGROUND Cancer-associated fibroblasts (CAFs) have been intensively studied in recent studies with aims of finding more concrete evidence on their mechanism of involvement in tumor progression, which is currently unknown. CAFs can secrete exosomes which are loaded with proteins, lipids and RNAs, all of which affect tumor microenvironment. The present study identified microRNA-93-5p (miR-93-5p) as a novel exosomal cargo responsible for the pro-tumorigenic effects of CAFs on colorectal cancer (CRC). METHODS CAFs and normal fibroblasts (NFs) were isolated from cancerous tissues and matched with paracancerous tissues that had been surgically resected from CRC patients. The interaction among miR-93-5p, forkhead box A1 (FOXA1) and TGFB3 was identified through ChIP and dual luciferase reporter assays. The proliferation and apoptosis of SW480 cells co-cultured with CAFs-derived exosomes under irradiation were evaluated by CCK-8, colony formation, and flow cytometric assays. Tumorigenesis of SW480 cells in nude mice was assessed under the irradiation. RESULTS FOXA1 was found to be associated with reduced radioresistance in CRC cells and was verified as a target of miR-93-5p. CAFs-derived exosomes contained higher miR-93-5p than those from NFs, which augmented SW480 cell proliferation and rescued them from radiation-induced apoptosis. miR-93-5p was identified as a mediator of the exosomal effects of CAFs on SW480 cells, possibly through downregulating FOXA1 and upregulating TGFB3. FOXA1 could bind to the promoter of TGFB3, thereby inhibiting nuclear accumulation of TGFB3. Also, CAFs-derived exosomes containing miR-93-5p increased the tumor growth of SW480 cells in irradiated nude mice. CONCLUSION The present study identifies miR-93-5p as a specific exosomal cargo that rescues CRC cells against radiation-induced apoptosis.INTRODUCTION In individuals having low back pain, the application of spinal manipulative therapy (SMT) has been shown to reduce spinal stiffness in those who report improvements in post-SMT disability. The underlying mechanism for this rapid change in stiffness is not understood presently. As clinicians and patients may benefit from a better understanding of this mechanism in terms of optimizing care delivery, the objective of this scoping review of current literature was to identify if potential mechanisms that explain this clinical response have been previously described or could be elucidated from existing data. METHODS Three literature databases were systematically searched (MEDLINE, CINAHL, and PubMed). Our search terms included subject headings and keywords relevant to SMT, spinal stiffness, lumbar spine, and mechanism. Inclusion criteria for candidate studies were publication in English, quantification of lumbar spinal stiffness before and after SMT, and publication between January 2000 and June 2019. RESULTS The search identified 1931 articles. Of these studies, 10 were included following the application of the inclusion criteria. From these articles, 7 themes were identified with respect to potential mechanisms described or derived from data 1) change in muscle activity; 2) increase in mobility; 3) decrease in pain; 4) increase in pressure pain threshold; 5) change in spinal tissue behavior; 6) change in the central nervous system or reflex pathways; and 7) correction of a vertebral dysfunction. CONCLUSIONS This scoping review identified 7 themes put forward by authors to explain changes in spinal stiffness following SMT. Unfortunately, none of the studies provided data which would support the promotion of one theme over another. As a result, this review suggests a need to develop a theoretical framework to explain rapid biomechanical changes following SMT to guide and prioritize future investigations in this important clinical area.OBJECTIVE To provide an anatomical basis for the development of oblique lumbar interbody fusion (OLIF) in Chinese patients. METHODS Between November 2018 and June 2019, 300 patients' lumbar MRI data were reviewed. According to the Moro system and zone method described by us, the axial view was vertically divided into 6 zones (A, I II, III, IV, P) and was horizontally divided into 4 zones (R, a, b, c, L). The locations of left psoas muscle and the major artery at L2/3, L3/4, and L4/5 levels were evaluated by the grid system. The aortic bifurcation segments will also be evaluated at the level of the vertebral body or the disc. RESULTS At the L2/3 level, left psoas muscle and the major artery in zone Ib were found in 28.0% of subjects, in zone IIb in 20.3%, and in zone Ic in 20.0%; at the L3/4 level, in zone Ab in 20.7% of subjects, in zone Ac in 26.0%, and in zone Ic in 11.0%; and at the L4/5 level, areas in zone Ab in 31.0% of subjects, in zone Ac in 26.0%, and in zone Ib in 11.7%. The aortic bifurcation segments were mainly at the L4 level. The zone of the left psoas muscle at all levels, the zone of the major artery at L4/5 level, and the zone of the aortic bifurcation segments had significant correlation with gender difference (P less then 0.05). CONCLUSION The left-sided OLIF at L2-L5 disc levels can be a feasible type of surgery for lumbar interbody fusion in the majority of Chinese patients. Before the operation, in order to screen out the appropriate surgical approach, routine lumbar magnetic resonance imaging is recommended to analyze the patient's local anatomical features.BACKGROUND The growing use of silica nanoparticles (SiNPs) in many fields raises human toxicity concerns. We studied the toxicity of SiNP-20 (particle diameter 20 nm) and SiNP-100 (100 nm) and the underlying mechanisms with a focus on the endothelium both in vitro and in vivo. METHODS The study was conducted in cultured human umbilical vein endothelial cells (HUVECs) and adult female Balb/c mice using several techniques. RESULTS In vitro, both SiNP-20 and SiNP-100 decreased the viability and damaged the plasma membrane of cultured HUVECs. The nanoparticles also inhibited HUVECs migration and tube formation in a concentration-dependent manner. Both SiNPs induced significant calcium mobilization and generation of reactive oxygen species (ROS), increased the phosphorylation of vascular endothelial (VE)-cadherin at the site of tyrosine 731 residue (pY731-VEC), decreased the expression of VE-cadherin expression, disrupted the junctional VE-cadherin continuity and induced F-actin re-assembly in HUVECs. https://www.selleckchem.com/products/dx600.html The injuries were reversed by blocking Ca2+ release activated Ca2+ (CRAC) channels with YM58483 or by eliminating ROS with N-acetyl cysteine (NAC).
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  • 17 and 0.16, respectively) and high root-mean-square error. US measurements of muscle thickness were not predictive of whole-body FFM. CONCLUSION US measurements of muscle and adipose tissue thickness at the examined sites are not adequate surrogates for whole-body composition in preterm infants. Exploration of alternate measurement sites may improve predictive ability. © 2020 American Society for Parenteral and Enteral Nutrition.BACKGROUND Although highly effective in the treatment of obstructive sleep apnoea (OSA), continuous positive airway pressure (CPAP) is not universally accepted by users. Educational, supportive and behavioural interventions may help people with OSA initiate and maintain regular and continued use of CPAP. OBJECTIVES To assess the effectiveness of educational, supportive, behavioural, or mixed (combination of two or more intervention types) strategies that aim to encourage adults who have been prescribed CPAP to use their devices. SEARCH METHODS Searches were conducted on the Cochrane Airways Group Specialised Register of trials. Searches are current to 29 April 2019. SELECTION CRITERIA We included randomised controlled trials (RCTs) that assessed intervention(s) designed to inform participants about CPAP/OSA, to support them in using CPAP, or to modify their behaviour to increase use of CPAP devices. DATA COLLECTION AND ANALYSIS We assessed studies to determine their suitability for inclusion in the review. https://www.selleckchem.com/products/oltipraz.html Daherefore result in the most successful and cost-effective therapy are needed. Copyright © 2020 The Cochrane Collaboration. Published by John Wiley & Sons, Ltd.Moderate alcohol consumption is associated with increased plasma high-density lipoprotein (HDL)-cholesterol concentrations and reduced risk for cardiovascular disease. Plasma cholesteryl ester transfer activity (CETA) mediates the exchange of HDL-cholesteryl ester (CE) for the triacylglycerol (TAG) of very-low-density lipoproteins. We compared the effects of oral challenges of Alcohol, saturated fat (SAT), and (Alcohol + SAT) on plasma CETA, cholesterol, nonesterified fatty acids (NEFA), and TAG among normo-triglyceridemic (NTG) and mildly hypertriglyceridemic (HTG) volunteers having a range of plasma TAG concentrations. The major changes were (1) CETA increased more after ingestion of SAT and (Alcohol + SAT) in the HTG group versus the NTG group; (2) after all three challenges, elevation of plasma TAG concentration persisted longer in the HTG versus NTG group. Plasma cholesterol was not affected by the three dietary challenges, while Alcohol increased NEFA more in the HTG group than the NTG group. Plasma TAG best predicted plasma CETA, suggesting that intestinally derived lipoproteins are acceptors of HDL-CE. Unexpectedly, ingestion of (Alcohol + SAT) reduced the strength of the correlation between plasma TAG and CETA, that is the effects of (SAT and Alcohol) on plasma CETA are not synergistic nor additive but rather mutually suppressive. The alcohol-mediated inhibition of CE-transfer to chylomicrons maintains a higher plasma HDL-cholesterol concentration, which is athero-protective, although the suppressive metabolite underlying this correlation could be acetate, the terminal alcohol metabolite, other factors, including CETA inhibitors, are also likely important. © 2020 AOCS.OBJECTIVE To determine the ability of functional side-to-side small intestinal anastomoses (FSS-SIA) created with an electrothermal bipolar vessel sealing (EBVS) device to resist leakage. STUDY DESIGN Experimental, ex vivo. SAMPLE POPULATION Jejunal segments (n = 130) from 10 healthy canine cadavers. METHODS Four types of anastomoses were created (two segments/construct and 15 constructs/group) EBVS (group A), EBVS + transverse stapling (group B), stapled (group C), and EBVS + suture augmentation (group D). Initial leakage pressure (ILP), initial leakage location (ILL), and maximal intraluminal pressure were compared between groups, and five group A constructs were analyzed histologically. RESULTS Initial leakage pressure was greater in group D than in groups A, B, and C (P  less then  .011). There was a difference in ILL among groups (P = .003). Leakage occurred at the side-to-side intestinal anastomosis fusion line in 13 of 15 (87%) constructs for groups A and B and in nine of 15 (60%) constructs for group D. Maximal intraluminal pressure was greater in group C than in groups A, B, and D (P  less then  .004). Histological examination was consistent with collagenous fusion without cavitation defects. CONCLUSION Functional side-to-side small intestinal anastomosis was consistently achieved with an EBVS device. Augmentation of EBVS anastomoses with simple interrupted sutures along the anastomotic fusion line increased ILP compared with stapled anastomoses. CLINICAL SIGNIFICANCE Despite the success and feasibility of creating an FSS-SIA with an EBVS device, additional in vivo studies are required to determine the effectiveness of intestinal fusion prior to clinical implementation. © 2020 The American College of Veterinary Surgeons.A Bayesian phase I-II dose-finding design is presented for a clinical trial with four coprimary outcomes that reflect the actual clinical observation process. During a prespecified fixed follow-up period, the times to disease progression, toxicity, and death are monitored continuously, and an ordinal disease status variable, including progressive disease (PD) as one level, is evaluated repeatedly by scheduled imaging. We assume a proportional hazards model with piecewise constant baseline hazard for each continuous variable and a longitudinal multinomial probit model for the ordinal disease status process and include multivariate patient frailties to induce association among the outcomes. A finite partition of the nonfatal outcome combinations during the follow-up period is constructed, and the utility of each set in the partition is elicited. Posterior mean utility is used to optimize each patient's dose, subject to a safety rule excluding doses with an unacceptably high rate of PD, severe toxicity, or death. A simulation study shows that, compared with the proposed design, a simpler design based on commonly used efficacy and toxicity outcomes obtained by combining the four variables described above performs poorly and has substantially smaller probabilities of correctly choosing truly optimal doses and excluding truly unsafe doses. © 2020 John Wiley & Sons, Ltd.
    17 and 0.16, respectively) and high root-mean-square error. US measurements of muscle thickness were not predictive of whole-body FFM. CONCLUSION US measurements of muscle and adipose tissue thickness at the examined sites are not adequate surrogates for whole-body composition in preterm infants. Exploration of alternate measurement sites may improve predictive ability. © 2020 American Society for Parenteral and Enteral Nutrition.BACKGROUND Although highly effective in the treatment of obstructive sleep apnoea (OSA), continuous positive airway pressure (CPAP) is not universally accepted by users. Educational, supportive and behavioural interventions may help people with OSA initiate and maintain regular and continued use of CPAP. OBJECTIVES To assess the effectiveness of educational, supportive, behavioural, or mixed (combination of two or more intervention types) strategies that aim to encourage adults who have been prescribed CPAP to use their devices. SEARCH METHODS Searches were conducted on the Cochrane Airways Group Specialised Register of trials. Searches are current to 29 April 2019. SELECTION CRITERIA We included randomised controlled trials (RCTs) that assessed intervention(s) designed to inform participants about CPAP/OSA, to support them in using CPAP, or to modify their behaviour to increase use of CPAP devices. DATA COLLECTION AND ANALYSIS We assessed studies to determine their suitability for inclusion in the review. https://www.selleckchem.com/products/oltipraz.html Daherefore result in the most successful and cost-effective therapy are needed. Copyright © 2020 The Cochrane Collaboration. Published by John Wiley & Sons, Ltd.Moderate alcohol consumption is associated with increased plasma high-density lipoprotein (HDL)-cholesterol concentrations and reduced risk for cardiovascular disease. Plasma cholesteryl ester transfer activity (CETA) mediates the exchange of HDL-cholesteryl ester (CE) for the triacylglycerol (TAG) of very-low-density lipoproteins. We compared the effects of oral challenges of Alcohol, saturated fat (SAT), and (Alcohol + SAT) on plasma CETA, cholesterol, nonesterified fatty acids (NEFA), and TAG among normo-triglyceridemic (NTG) and mildly hypertriglyceridemic (HTG) volunteers having a range of plasma TAG concentrations. The major changes were (1) CETA increased more after ingestion of SAT and (Alcohol + SAT) in the HTG group versus the NTG group; (2) after all three challenges, elevation of plasma TAG concentration persisted longer in the HTG versus NTG group. Plasma cholesterol was not affected by the three dietary challenges, while Alcohol increased NEFA more in the HTG group than the NTG group. Plasma TAG best predicted plasma CETA, suggesting that intestinally derived lipoproteins are acceptors of HDL-CE. Unexpectedly, ingestion of (Alcohol + SAT) reduced the strength of the correlation between plasma TAG and CETA, that is the effects of (SAT and Alcohol) on plasma CETA are not synergistic nor additive but rather mutually suppressive. The alcohol-mediated inhibition of CE-transfer to chylomicrons maintains a higher plasma HDL-cholesterol concentration, which is athero-protective, although the suppressive metabolite underlying this correlation could be acetate, the terminal alcohol metabolite, other factors, including CETA inhibitors, are also likely important. © 2020 AOCS.OBJECTIVE To determine the ability of functional side-to-side small intestinal anastomoses (FSS-SIA) created with an electrothermal bipolar vessel sealing (EBVS) device to resist leakage. STUDY DESIGN Experimental, ex vivo. SAMPLE POPULATION Jejunal segments (n = 130) from 10 healthy canine cadavers. METHODS Four types of anastomoses were created (two segments/construct and 15 constructs/group) EBVS (group A), EBVS + transverse stapling (group B), stapled (group C), and EBVS + suture augmentation (group D). Initial leakage pressure (ILP), initial leakage location (ILL), and maximal intraluminal pressure were compared between groups, and five group A constructs were analyzed histologically. RESULTS Initial leakage pressure was greater in group D than in groups A, B, and C (P  less then  .011). There was a difference in ILL among groups (P = .003). Leakage occurred at the side-to-side intestinal anastomosis fusion line in 13 of 15 (87%) constructs for groups A and B and in nine of 15 (60%) constructs for group D. Maximal intraluminal pressure was greater in group C than in groups A, B, and D (P  less then  .004). Histological examination was consistent with collagenous fusion without cavitation defects. CONCLUSION Functional side-to-side small intestinal anastomosis was consistently achieved with an EBVS device. Augmentation of EBVS anastomoses with simple interrupted sutures along the anastomotic fusion line increased ILP compared with stapled anastomoses. CLINICAL SIGNIFICANCE Despite the success and feasibility of creating an FSS-SIA with an EBVS device, additional in vivo studies are required to determine the effectiveness of intestinal fusion prior to clinical implementation. © 2020 The American College of Veterinary Surgeons.A Bayesian phase I-II dose-finding design is presented for a clinical trial with four coprimary outcomes that reflect the actual clinical observation process. During a prespecified fixed follow-up period, the times to disease progression, toxicity, and death are monitored continuously, and an ordinal disease status variable, including progressive disease (PD) as one level, is evaluated repeatedly by scheduled imaging. We assume a proportional hazards model with piecewise constant baseline hazard for each continuous variable and a longitudinal multinomial probit model for the ordinal disease status process and include multivariate patient frailties to induce association among the outcomes. A finite partition of the nonfatal outcome combinations during the follow-up period is constructed, and the utility of each set in the partition is elicited. Posterior mean utility is used to optimize each patient's dose, subject to a safety rule excluding doses with an unacceptably high rate of PD, severe toxicity, or death. A simulation study shows that, compared with the proposed design, a simpler design based on commonly used efficacy and toxicity outcomes obtained by combining the four variables described above performs poorly and has substantially smaller probabilities of correctly choosing truly optimal doses and excluding truly unsafe doses. © 2020 John Wiley & Sons, Ltd.
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  • On arrival, younger patients had significantly higher heart rates and more severe derangements in lactate levels, base deficits, and pH compared with older patients. There were no differences among age groups in injury severity score, systolic blood pressure, or mortality. CONCLUSIONS In massively transfused patients, mortality increased with age. However, a significant proportion of older adults were successfully resuscitated. Therefore, age alone should not be considered a contraindication to high-volume transfusion. Traditional physiologic and laboratory criteria indicative of hemorrhagic shock may have reduced reliability with increasing age, and thus providers must have a heightened suspicion for hemorrhage in the elderly. Early transfusion requirements can be combined with age to establish prognosis to define futility to help counsel families regarding mortality after traumatic injury. BACKGROUND Controversy exists over the timing of cholecystectomy for biliary pancreatitis in children. Some surgeons await normalization of serum lipase levels while others are guided by resolution of abdominal pain; however, there are minimal data to support either practice. We hypothesized that resolution of abdominal pain is equivalent in outcome to awaiting normalization of lipase levels in patients undergoing cholecystectomy for biliary pancreatitis. METHODS After institutional review board (IRB) approval, the medical record was retrospectively queried for all cases of cholecystectomy for biliary pancreatitis at our institution from 2007 to 2017. Patients undergoing chemotherapy, admitted for another cause, or who had severe underlying comorbidities like ventilator dependence were excluded. Patients were stratified into two cohorts those managed preoperatively by normalization of serum lipase levels versus resolution of abdominal pain. Demographics, serum lipase levels, postoperative complications, cost ontrended patients (11.5 ± 8.1 versus 4.2 ± 2.3 d, P  less then  0.0001) and had a higher total cost of stay ($38,094 ± 25,910 versus $20,205 ± 5918, P = 0.0007). CONCLUSIONS Our data suggest that in children with biliary pancreatitis, proceeding with cholecystectomy after resolution of abdominal pain is equivalent in outcomes to trending serum lipase levels but is more cost-effective with a decreased length of stay and decreased need for preoperative total parenteral nutrition. https://www.selleckchem.com/products/k-ras-g12c-inhibitor-12.html BACKGROUND Deep vein thromboses (DVTs) are a significant sequela of surgery and are associated with significant of morbidity and mortality in the United States. Operative emergency general surgery (EGS) cases have been demonstrated to have a greater burden of DVT than other types of surgery. MATERIALS AND METHODS DVT in EGS cases were identified from the National Inpatient Sample-Healthcare Cost and Utilization Project database from 2001 to 2015 Q3 based on ICD-9 code specification. National incidence of DVT in EGS was calculated using the National Inpatient Sample-Healthcare Cost and Utilization Project sampling methodology, and propensity score matching was used to assess costs associated with DVT. RESULTS Among 15,148,352 sample-weighted hospitalizations, 0.623% (94,392) experienced DVT. Incidence of DVT was greatest in GI ulcer surgery (1.705%) and lowest in appendectomy (0.095%). Patients with a perioperative DVT incurred $22,301 more in hospital-related costs than their counterparts who did not have a DVT. Although rates of DVT remained stable over the period analyzed, DVT-associated costs increased at a 2.09% annual rate in excess of inflation during the period analyzed. This increase in costs was most significant for laparotomy, which increased at a rate of 8.09% annually. CONCLUSIONS DVT continues to be a significant burden on resources in EGS in spite of efforts with DVT prophylaxis. Considering the increase in costs and little change in incidence, further research on cost-effective management of DVT in EGS is warranted. BACKGROUND Proximal (duodenal) small bowel adenocarcinomas have a worse prognosis than distal (jejuno-ileal) tumors, but differences in patient, tumor, and treatment factors between locations remain unclear. METHODS Patients in the National Cancer Database with surgically resected pathologic stage I-IV small bowel adenocarcinomas between 2004 and 2015 were analyzed. Clinical stage IV patients were excluded. RESULTS Proximal tumors (n = 3767) were more likely to be higher grade (OR 1.52, CI 1.22-1.85 for moderately; OR 1.83, CI 1.49-2.33 for poorly differentiated, P  5 cm, P  less then  0.01). Proximal tumors were associated with worse overall survival (OS) and stage-specific survival compared with distal tumors (all P  less then  0.01). Cox regression analysis of the entire cohort showed worse survival with community versus academic cancer programs, higher comorbidity scores, pathologic stage IV, poorly differentiated histology, positive nodal or margin status, and proximal location, while female gender, larger tumor size, and chemotherapy predicted better survival. On separate Cox regression analyses of each location, neoadjuvant chemotherapy was associated with better OS in the proximal cohort (HR 0.70, CI 0.55-0.88, P  less then  0.01), while adjuvant chemotherapy was associated with better OS for both proximal (HR 0.49, CI 0.42-0.57, P  less then  0.01) and distal tumors (HR 0.68, CI 0.57-0.81, P  less then  0.01). CONCLUSIONS Proximal small bowel adenocarcinomas are associated with worse overall and stage-specific survival. This may be due to tumor biologic differences as proximal tumors were more likely to have higher grade. Future studies should further investigate differences between proximal and distal tumors to guide targeted treatment algorithms. BACKGROUND The American College of Surgeons (ACS) publishes Resources for Optimal Care of the Injured Patient (Orange Book) to provide common requirements to verify trauma centers (TCs), throughout the United States. There are very few studies that assess the impact of geography on TC outcomes. Our study aimed to evaluate the differences in geographic regions in terms of injury-adjusted all-cause mortality at ACS Level 1, 2, and 3 TCs. METHODS Review of the 2016 Research Data Set provided by the National Trauma Data Bank. TCs were categorized by the Research Data Set into geographic regions Northeast, Midwest, South, and West. TCs were subcategorized into ACS Level 1, 2, or 3; all others were excluded. Injury-adjusted mortality was determined using observed/expected mortality (O/E) ratios, derived from TRISS methodology. Chi-squared and t-test analyses were used with significance defined as P-value less then 0.05. RESULTS Among Level 1 TCs, the West (O/E = 0.62) and South (0.61) regions had significantly higher adjusted mortality rates than the Level 1s in the Midwest (0.
    On arrival, younger patients had significantly higher heart rates and more severe derangements in lactate levels, base deficits, and pH compared with older patients. There were no differences among age groups in injury severity score, systolic blood pressure, or mortality. CONCLUSIONS In massively transfused patients, mortality increased with age. However, a significant proportion of older adults were successfully resuscitated. Therefore, age alone should not be considered a contraindication to high-volume transfusion. Traditional physiologic and laboratory criteria indicative of hemorrhagic shock may have reduced reliability with increasing age, and thus providers must have a heightened suspicion for hemorrhage in the elderly. Early transfusion requirements can be combined with age to establish prognosis to define futility to help counsel families regarding mortality after traumatic injury. BACKGROUND Controversy exists over the timing of cholecystectomy for biliary pancreatitis in children. Some surgeons await normalization of serum lipase levels while others are guided by resolution of abdominal pain; however, there are minimal data to support either practice. We hypothesized that resolution of abdominal pain is equivalent in outcome to awaiting normalization of lipase levels in patients undergoing cholecystectomy for biliary pancreatitis. METHODS After institutional review board (IRB) approval, the medical record was retrospectively queried for all cases of cholecystectomy for biliary pancreatitis at our institution from 2007 to 2017. Patients undergoing chemotherapy, admitted for another cause, or who had severe underlying comorbidities like ventilator dependence were excluded. Patients were stratified into two cohorts those managed preoperatively by normalization of serum lipase levels versus resolution of abdominal pain. Demographics, serum lipase levels, postoperative complications, cost ontrended patients (11.5 ± 8.1 versus 4.2 ± 2.3 d, P  less then  0.0001) and had a higher total cost of stay ($38,094 ± 25,910 versus $20,205 ± 5918, P = 0.0007). CONCLUSIONS Our data suggest that in children with biliary pancreatitis, proceeding with cholecystectomy after resolution of abdominal pain is equivalent in outcomes to trending serum lipase levels but is more cost-effective with a decreased length of stay and decreased need for preoperative total parenteral nutrition. https://www.selleckchem.com/products/k-ras-g12c-inhibitor-12.html BACKGROUND Deep vein thromboses (DVTs) are a significant sequela of surgery and are associated with significant of morbidity and mortality in the United States. Operative emergency general surgery (EGS) cases have been demonstrated to have a greater burden of DVT than other types of surgery. MATERIALS AND METHODS DVT in EGS cases were identified from the National Inpatient Sample-Healthcare Cost and Utilization Project database from 2001 to 2015 Q3 based on ICD-9 code specification. National incidence of DVT in EGS was calculated using the National Inpatient Sample-Healthcare Cost and Utilization Project sampling methodology, and propensity score matching was used to assess costs associated with DVT. RESULTS Among 15,148,352 sample-weighted hospitalizations, 0.623% (94,392) experienced DVT. Incidence of DVT was greatest in GI ulcer surgery (1.705%) and lowest in appendectomy (0.095%). Patients with a perioperative DVT incurred $22,301 more in hospital-related costs than their counterparts who did not have a DVT. Although rates of DVT remained stable over the period analyzed, DVT-associated costs increased at a 2.09% annual rate in excess of inflation during the period analyzed. This increase in costs was most significant for laparotomy, which increased at a rate of 8.09% annually. CONCLUSIONS DVT continues to be a significant burden on resources in EGS in spite of efforts with DVT prophylaxis. Considering the increase in costs and little change in incidence, further research on cost-effective management of DVT in EGS is warranted. BACKGROUND Proximal (duodenal) small bowel adenocarcinomas have a worse prognosis than distal (jejuno-ileal) tumors, but differences in patient, tumor, and treatment factors between locations remain unclear. METHODS Patients in the National Cancer Database with surgically resected pathologic stage I-IV small bowel adenocarcinomas between 2004 and 2015 were analyzed. Clinical stage IV patients were excluded. RESULTS Proximal tumors (n = 3767) were more likely to be higher grade (OR 1.52, CI 1.22-1.85 for moderately; OR 1.83, CI 1.49-2.33 for poorly differentiated, P  5 cm, P  less then  0.01). Proximal tumors were associated with worse overall survival (OS) and stage-specific survival compared with distal tumors (all P  less then  0.01). Cox regression analysis of the entire cohort showed worse survival with community versus academic cancer programs, higher comorbidity scores, pathologic stage IV, poorly differentiated histology, positive nodal or margin status, and proximal location, while female gender, larger tumor size, and chemotherapy predicted better survival. On separate Cox regression analyses of each location, neoadjuvant chemotherapy was associated with better OS in the proximal cohort (HR 0.70, CI 0.55-0.88, P  less then  0.01), while adjuvant chemotherapy was associated with better OS for both proximal (HR 0.49, CI 0.42-0.57, P  less then  0.01) and distal tumors (HR 0.68, CI 0.57-0.81, P  less then  0.01). CONCLUSIONS Proximal small bowel adenocarcinomas are associated with worse overall and stage-specific survival. This may be due to tumor biologic differences as proximal tumors were more likely to have higher grade. Future studies should further investigate differences between proximal and distal tumors to guide targeted treatment algorithms. BACKGROUND The American College of Surgeons (ACS) publishes Resources for Optimal Care of the Injured Patient (Orange Book) to provide common requirements to verify trauma centers (TCs), throughout the United States. There are very few studies that assess the impact of geography on TC outcomes. Our study aimed to evaluate the differences in geographic regions in terms of injury-adjusted all-cause mortality at ACS Level 1, 2, and 3 TCs. METHODS Review of the 2016 Research Data Set provided by the National Trauma Data Bank. TCs were categorized by the Research Data Set into geographic regions Northeast, Midwest, South, and West. TCs were subcategorized into ACS Level 1, 2, or 3; all others were excluded. Injury-adjusted mortality was determined using observed/expected mortality (O/E) ratios, derived from TRISS methodology. Chi-squared and t-test analyses were used with significance defined as P-value less then 0.05. RESULTS Among Level 1 TCs, the West (O/E = 0.62) and South (0.61) regions had significantly higher adjusted mortality rates than the Level 1s in the Midwest (0.
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  • As such APTs participate in palmitoylation, a post-translational modification that can affect membrane localization, vesicular transport, and secretion. CLC-P has attributes of an APT. Thus, whereas CLC-P expresses inherent lysophospholipase activity, like some other lysophospholipase enzymes, it likely also functions in regulating the dynamic palmitoylation cycle, including, given its dominant subplasmalemmal location, at the human eosinophil's plasma membrane. ©2020 Society for Leukocyte Biology.BACKGROUND Abnormalities in the KEPA1-NRF2 pathway have a role in cancer progression, metastasis, and resistance to chemo-/radio-therapies. Persistent activation of NRF2 associates with poor prognosis across different cancer types. However, the beneficial therapeutic strategy to harness this pathway in cancer remains unclear. This study aimed to investigate the clinical outcome with immunotherapy in NFE2L2/KEAP1 mutant population. MATERIALS AND METHODS We investigated the correlation between NFE2L2/KEAP1 mutations and tumor mutational burden (TMB)/ programmed death-ligand 1 (PD-L1) expression status to identify the therapeutic vulnerability. For this purpose, relevance analysis with TMB value was performed in 9040 cancer patients, and relevance analysis with PD-L1 expression was performed in 3457 patients. The MSKCC database and real-world evidence were used to assess the immunotherapy response in NFE2L2/KEAP1 mutant subsets. RESULTS NFE2L2/KEAP1 mutations occurred in various cancers, and the highest mutation analyzed the mutational characteristics of NFE2L2/KEAP1 alterations in 9243 Chinese patients. The highest mutation incidences occurred in lung squamous cell carcinoma as of 19.16% (NFE2L2) and 10.31% (KEAP1). Relevance analysis showed the NFE2L2/KEAP1 mutant subsets were associated with higher TMB value and PD-L1 expression. Clinical data further confirmed NFE2L2/KEAP1 mutations correlate with improved outcome with immunotherapy. These findings suggest the clinical application of immunotherapy in NFE2L2/KEAP1 mutant population. © AlphaMed Press 2020.T cells are crucial for the success of immune-based cancer therapy. Reinvigorating antitumor T cell activity by blocking checkpoint inhibitory receptors has provided clinical benefits for many cancer patients. However, the efficacy of these treatments varies in cancer patients and the mechanisms underlying these diverse responses remain elusive. The density and status of tumor-infiltrating T cells have been shown to positively correlate with patient response to checkpoint blockades. Therefore, further understanding of the heterogeneity, clonal expansion, migration, and effector functions of tumor-infiltrating T cells will provide fundamental insights into antitumor immune responses. To this end, recent advances in single-cell RNA sequencing technology have enabled profound and extensive characterization of intratumoral immune cells and have improved our understanding of their dynamic relationships. Here, we summarize recent progress in single-cell RNA sequencing technology and current strategies to uncover heterogeneous tumor-infiltrating T cell subsets. In particular, we discuss how the coupling of deep transcriptome information with T cell receptor (TCR)-based lineage tracing has furthered our understanding of intratumoral T cell populations. We also discuss the functional implications of various T cell subsets in tumors and highlight the identification of novel T cell markers with therapeutic or prognostic potential. © 2020 Amgen Inc. Journal of Leukocyte Biology published by Wiley Periodicals LLC on behalf of Society for Leukocyte Biology.Successful closure of large bore vascular access (≥12 Fr) is facilitated by the MANTA vascular closure device; however, it requires a critical first step of measuring "skin to arterial wall" depth of the access site using the depth locator before dilating the vessel above 8 Fr. It may be challenging at times to acquire the deployment depth at the onset of the procedure due to case urgency, delayed closure, or when large bore access is obtained at a different institution. We discuss a novel technique of measuring the deployment depth and successful delayed closure of large bore arterial access using the MANTA closure device. © 2020 Wiley Periodicals, Inc.Journal editors are gatekeepers of knowledge, and pharmaceutical industry payments to oncology editors have not been previously characterized. https://www.selleckchem.com/products/bt-11.html We performed a cross-sectional study of nonresearch industry payments to editors of 26 oncology research journals. A total of 433 editors were eligible for inclusion in the CMS Open Payments database from 2013 to 2018. A total of 80% of eligible editors had nonresearch payments, and the mean value of payments per editor was $106,778, which has increased over time. Only 5 out of 26 journals disclosed editor conflicts of interest and 3 of these journals reported at least one editor with no nonresearch industry payments but were found to have nonresearch payments. There was a positive correlation between journal impact factor and the average payment per editor for each journal. Our study shows the high prevalence and lack of transparency of nonresearch industry payments to oncology editors. Higher impact journals appear to be associated with greater nonresearch industry payments. © AlphaMed Press 2020.BACKGROUND The aim of this study was to investigate the predictive value of early changes in 18 F-fluoroestradiol (FES) positron emission tomography (PET)/computed tomography (CT) during fulvestrant 500 mg therapy in patients with estrogen receptor (ER)-positive metastatic breast cancer. MATERIALS AND METHODS Patients underwent 18 F-FES PET/CT scans at both baseline (scan 1) and day 28 (scan 2). The maximum standardized uptake value (SUVmax) of all metastatic sites was determined in each scan, and the percentage reduction in SUVmax (ΔSUVmax) was calculated as [(SUVmax on scan 1-SUVmax on scan 2)/ SUVmax on scan 1] * 100%. RESULTS In total, 294 18 F-FES-positive lesions from 36 patients were identified. The 18 F-FES SUVmax varied widely among lesions (median 5.7; range 1.8-32.4) and patients (median 5.1; range 2.5-13.2). After treatment, the median SUVmax among lesions and patients was 2.1 and 2.1, respectively. The ΔSUVmax ranged from -5.1% to 100%, with a median reduction of 61.3%. Using receiver operating characteristic analysis, the optimal cutoff point to discriminate patients who could derive clinical benefit from fulvestrant was determined to be 38.
    As such APTs participate in palmitoylation, a post-translational modification that can affect membrane localization, vesicular transport, and secretion. CLC-P has attributes of an APT. Thus, whereas CLC-P expresses inherent lysophospholipase activity, like some other lysophospholipase enzymes, it likely also functions in regulating the dynamic palmitoylation cycle, including, given its dominant subplasmalemmal location, at the human eosinophil's plasma membrane. ©2020 Society for Leukocyte Biology.BACKGROUND Abnormalities in the KEPA1-NRF2 pathway have a role in cancer progression, metastasis, and resistance to chemo-/radio-therapies. Persistent activation of NRF2 associates with poor prognosis across different cancer types. However, the beneficial therapeutic strategy to harness this pathway in cancer remains unclear. This study aimed to investigate the clinical outcome with immunotherapy in NFE2L2/KEAP1 mutant population. MATERIALS AND METHODS We investigated the correlation between NFE2L2/KEAP1 mutations and tumor mutational burden (TMB)/ programmed death-ligand 1 (PD-L1) expression status to identify the therapeutic vulnerability. For this purpose, relevance analysis with TMB value was performed in 9040 cancer patients, and relevance analysis with PD-L1 expression was performed in 3457 patients. The MSKCC database and real-world evidence were used to assess the immunotherapy response in NFE2L2/KEAP1 mutant subsets. RESULTS NFE2L2/KEAP1 mutations occurred in various cancers, and the highest mutation analyzed the mutational characteristics of NFE2L2/KEAP1 alterations in 9243 Chinese patients. The highest mutation incidences occurred in lung squamous cell carcinoma as of 19.16% (NFE2L2) and 10.31% (KEAP1). Relevance analysis showed the NFE2L2/KEAP1 mutant subsets were associated with higher TMB value and PD-L1 expression. Clinical data further confirmed NFE2L2/KEAP1 mutations correlate with improved outcome with immunotherapy. These findings suggest the clinical application of immunotherapy in NFE2L2/KEAP1 mutant population. © AlphaMed Press 2020.T cells are crucial for the success of immune-based cancer therapy. Reinvigorating antitumor T cell activity by blocking checkpoint inhibitory receptors has provided clinical benefits for many cancer patients. However, the efficacy of these treatments varies in cancer patients and the mechanisms underlying these diverse responses remain elusive. The density and status of tumor-infiltrating T cells have been shown to positively correlate with patient response to checkpoint blockades. Therefore, further understanding of the heterogeneity, clonal expansion, migration, and effector functions of tumor-infiltrating T cells will provide fundamental insights into antitumor immune responses. To this end, recent advances in single-cell RNA sequencing technology have enabled profound and extensive characterization of intratumoral immune cells and have improved our understanding of their dynamic relationships. Here, we summarize recent progress in single-cell RNA sequencing technology and current strategies to uncover heterogeneous tumor-infiltrating T cell subsets. In particular, we discuss how the coupling of deep transcriptome information with T cell receptor (TCR)-based lineage tracing has furthered our understanding of intratumoral T cell populations. We also discuss the functional implications of various T cell subsets in tumors and highlight the identification of novel T cell markers with therapeutic or prognostic potential. © 2020 Amgen Inc. Journal of Leukocyte Biology published by Wiley Periodicals LLC on behalf of Society for Leukocyte Biology.Successful closure of large bore vascular access (≥12 Fr) is facilitated by the MANTA vascular closure device; however, it requires a critical first step of measuring "skin to arterial wall" depth of the access site using the depth locator before dilating the vessel above 8 Fr. It may be challenging at times to acquire the deployment depth at the onset of the procedure due to case urgency, delayed closure, or when large bore access is obtained at a different institution. We discuss a novel technique of measuring the deployment depth and successful delayed closure of large bore arterial access using the MANTA closure device. © 2020 Wiley Periodicals, Inc.Journal editors are gatekeepers of knowledge, and pharmaceutical industry payments to oncology editors have not been previously characterized. https://www.selleckchem.com/products/bt-11.html We performed a cross-sectional study of nonresearch industry payments to editors of 26 oncology research journals. A total of 433 editors were eligible for inclusion in the CMS Open Payments database from 2013 to 2018. A total of 80% of eligible editors had nonresearch payments, and the mean value of payments per editor was $106,778, which has increased over time. Only 5 out of 26 journals disclosed editor conflicts of interest and 3 of these journals reported at least one editor with no nonresearch industry payments but were found to have nonresearch payments. There was a positive correlation between journal impact factor and the average payment per editor for each journal. Our study shows the high prevalence and lack of transparency of nonresearch industry payments to oncology editors. Higher impact journals appear to be associated with greater nonresearch industry payments. © AlphaMed Press 2020.BACKGROUND The aim of this study was to investigate the predictive value of early changes in 18 F-fluoroestradiol (FES) positron emission tomography (PET)/computed tomography (CT) during fulvestrant 500 mg therapy in patients with estrogen receptor (ER)-positive metastatic breast cancer. MATERIALS AND METHODS Patients underwent 18 F-FES PET/CT scans at both baseline (scan 1) and day 28 (scan 2). The maximum standardized uptake value (SUVmax) of all metastatic sites was determined in each scan, and the percentage reduction in SUVmax (ΔSUVmax) was calculated as [(SUVmax on scan 1-SUVmax on scan 2)/ SUVmax on scan 1] * 100%. RESULTS In total, 294 18 F-FES-positive lesions from 36 patients were identified. The 18 F-FES SUVmax varied widely among lesions (median 5.7; range 1.8-32.4) and patients (median 5.1; range 2.5-13.2). After treatment, the median SUVmax among lesions and patients was 2.1 and 2.1, respectively. The ΔSUVmax ranged from -5.1% to 100%, with a median reduction of 61.3%. Using receiver operating characteristic analysis, the optimal cutoff point to discriminate patients who could derive clinical benefit from fulvestrant was determined to be 38.
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  • sting for photovoltaic applications.A formulation of range-separated random phase approximation (RPA) based on our efficient ω-CDGD-RI-RPA [J. Chem. https://www.selleckchem.com/products/ljh685.html Theory Comput. 2018, 14, 2505] method and a large scale benchmark study are presented. By application to the GMTKN55 data set, we obtain a comprehensive picture of the performance of range-separated RPA in general main group thermochemistry, kinetics, and noncovalent interactions. The results show that range-separated RPA performs stably over the broad range of molecular chemistry included in the GMTKN55 set. It improves significantly over semilocal DFT but it is still less accurate than modern dispersion corrected double-hybrid functionals. Furthermore, range-separated RPA shows a faster basis set convergence compared to standard full-range RPA making it a promising applicable approach with only one empirical parameter.Janus kinases (JAKs) are non-receptor tyrosine kinases that are essential components of the JAK-STAT signaling pathway. Associated aberrant signaling is responsible for many forms of cancer and disorders of the immune system. The present focus is on the discovery of molecules that may regulate the activity of JAK2 by selective binding to the JAK2 pseudokinase domain, JH2. Specifically, the Val617Phe mutation in JH2 stimulates the activity of the adjacent kinase domain (JH1) resulting in myeloproliferative disorders. Starting from a non-selective screening hit, we have achieved the goal of discovering molecules which preferentially bind to the ATP binding site in JH2 instead of JH1. We report the design and synthesis of the compounds and binding results for the JH1, JH2, and JH2 V617F domains, as well as five crystal structures for JH2 complexes. Testing with a selective and non-selective JH2 binder on the autophosphorylation of wild-type and V617F JAK2 is also contrasted.Despite intense interest in amine-catalyzed stereoselective reactions, high catalyst loadings of ≥10 mol % are still common and either due to low reactivity or catalyst deactivation. Yet, few deactivation pathways are well understood. Here, we unraveled the deactivation of secondary amines by undesired aldol reaction. Mechanistic studies with peptide and prolinol silyl ether catalysts showed the generality of this so-far underappreciated catalyst deactivation pathway. The insights enabled conjugate addition reactions between aldehydes and nitroolefins on a multigram scale in the absence of solvent-conditions that are attractive as environmentally benign processes-with excellent product yields and stereoselectivities in the presence of as little as 0.1 mol % of a chemoselective peptidic catalyst.Tuning reactivity of sulfur electrophiles is key for advancing click chemistry and chemical probe discovery. To date, activation of the sulfur electrophile for protein modification has been ascribed principally to stabilization of a fluoride leaving group (LG) in covalent reactions of sulfonyl fluorides and arylfluorosulfates. We recently introduced sulfur-triazole exchange (SuTEx) chemistry to demonstrate the triazole as an effective LG for activating nucleophilic substitution reactions on tyrosine sites of proteins. Here, we probed tunability of SuTEx for fragment-based ligand discovery by modifying the adduct group (AG) and LG with functional groups of differing electron-donating and -withdrawing properties. We discovered the sulfur electrophile is highly sensitive to the position of modification (AG versus LG), which enabled both coarse and fine adjustments in solution and proteome activity. We applied these reactivity principles to identify a large fraction of tyrosine sites (∼30%) on proteins (∼44%) that can be liganded across >1500 probe-modified sites quantified by chemical proteomics. Our proteomic studies identified noncatalytic tyrosine and phosphotyrosine sites that can be liganded by SuTEx fragments with site specificity in lysates and live cells to disrupt protein function. Collectively, we describe SuTEx as a versatile covalent chemistry with broad applications for chemical proteomics and protein ligand discovery.Despite increasing efforts to decarbonize the power sector, utilization of natural gas fired power plants is anticipated to continue. This study models existing solvent-based carbon capture technologies on natural gas-fired power plants, using site-specific emissions and regionally defined cost parameters to calculate the cost of CO2 avoided for two scenarios delivery to and injection with reliable sequestration sites, and delivery and injection for the purpose of CO2-EOR. Despite application of credits from the existing federal tax code 45Q, a minimum incentive gap of roughly $38/tCO2 remains for geologic sequestration of CO2, and $56/tCO2 for CO2-EOR (before consideration of revenue generated from delivered CO2). At full escalation of 45Q, delivered CO2 costs from this sector for geologic sequestration could reach as low as $22/tCO2. However, given the capital investment required in the near term, it would be beneficial if the credit provided the greatest economic benefit early on and decreasing over time as deployment continues to ramp up. Additionally, due to the high qualifying limit of 45Q for the power sector, e.g., 500 ktCO2/yr, the tax credit incentivizes the capture of roughly 397 MtCO2/yr at 90% capture efficiency, or 75% of the emissions in this sector, with missed opportunities equating to roughly 118 MtCO2. Advancing the scale of CCS will require both technological advances in the capture technology, cost reductions through the leveraging of existing infrastructure, and increased policy incentives in terms of cost along with reduction of qualifying limits.Imaging mass spectrometry (IMS) has proven to be a useful tool when investigating the spatial distributions of metabolites and proteins in a biological system. One of the biggest advantages of IMS is the ability to maintain the 3D chemical composition of a sample and analyze in a label free manner. However, acquiring the spatial information leads to an increase in data size. Due to the increased availability of commercial mass spectrometers capable of IMS, there has been an exciting development of different statistical tools that can help decipher the spatial relevance of an analyte in a biological sample. To address this need, software packages like SCiLS and the open source R package Cardinal have been designed to perform unbiased spectral grouping based on the similarity of spectra in an IMS data set. In this note we evaluate SCiLS and Cardinal compatibility with MALDI-TOF IMS data sets of the Gram-negative pathogen Pseudomonas aeruginosa PA14. Both software were able to perform unsupervised segmentation with similar performance.
    sting for photovoltaic applications.A formulation of range-separated random phase approximation (RPA) based on our efficient ω-CDGD-RI-RPA [J. Chem. https://www.selleckchem.com/products/ljh685.html Theory Comput. 2018, 14, 2505] method and a large scale benchmark study are presented. By application to the GMTKN55 data set, we obtain a comprehensive picture of the performance of range-separated RPA in general main group thermochemistry, kinetics, and noncovalent interactions. The results show that range-separated RPA performs stably over the broad range of molecular chemistry included in the GMTKN55 set. It improves significantly over semilocal DFT but it is still less accurate than modern dispersion corrected double-hybrid functionals. Furthermore, range-separated RPA shows a faster basis set convergence compared to standard full-range RPA making it a promising applicable approach with only one empirical parameter.Janus kinases (JAKs) are non-receptor tyrosine kinases that are essential components of the JAK-STAT signaling pathway. Associated aberrant signaling is responsible for many forms of cancer and disorders of the immune system. The present focus is on the discovery of molecules that may regulate the activity of JAK2 by selective binding to the JAK2 pseudokinase domain, JH2. Specifically, the Val617Phe mutation in JH2 stimulates the activity of the adjacent kinase domain (JH1) resulting in myeloproliferative disorders. Starting from a non-selective screening hit, we have achieved the goal of discovering molecules which preferentially bind to the ATP binding site in JH2 instead of JH1. We report the design and synthesis of the compounds and binding results for the JH1, JH2, and JH2 V617F domains, as well as five crystal structures for JH2 complexes. Testing with a selective and non-selective JH2 binder on the autophosphorylation of wild-type and V617F JAK2 is also contrasted.Despite intense interest in amine-catalyzed stereoselective reactions, high catalyst loadings of ≥10 mol % are still common and either due to low reactivity or catalyst deactivation. Yet, few deactivation pathways are well understood. Here, we unraveled the deactivation of secondary amines by undesired aldol reaction. Mechanistic studies with peptide and prolinol silyl ether catalysts showed the generality of this so-far underappreciated catalyst deactivation pathway. The insights enabled conjugate addition reactions between aldehydes and nitroolefins on a multigram scale in the absence of solvent-conditions that are attractive as environmentally benign processes-with excellent product yields and stereoselectivities in the presence of as little as 0.1 mol % of a chemoselective peptidic catalyst.Tuning reactivity of sulfur electrophiles is key for advancing click chemistry and chemical probe discovery. To date, activation of the sulfur electrophile for protein modification has been ascribed principally to stabilization of a fluoride leaving group (LG) in covalent reactions of sulfonyl fluorides and arylfluorosulfates. We recently introduced sulfur-triazole exchange (SuTEx) chemistry to demonstrate the triazole as an effective LG for activating nucleophilic substitution reactions on tyrosine sites of proteins. Here, we probed tunability of SuTEx for fragment-based ligand discovery by modifying the adduct group (AG) and LG with functional groups of differing electron-donating and -withdrawing properties. We discovered the sulfur electrophile is highly sensitive to the position of modification (AG versus LG), which enabled both coarse and fine adjustments in solution and proteome activity. We applied these reactivity principles to identify a large fraction of tyrosine sites (∼30%) on proteins (∼44%) that can be liganded across >1500 probe-modified sites quantified by chemical proteomics. Our proteomic studies identified noncatalytic tyrosine and phosphotyrosine sites that can be liganded by SuTEx fragments with site specificity in lysates and live cells to disrupt protein function. Collectively, we describe SuTEx as a versatile covalent chemistry with broad applications for chemical proteomics and protein ligand discovery.Despite increasing efforts to decarbonize the power sector, utilization of natural gas fired power plants is anticipated to continue. This study models existing solvent-based carbon capture technologies on natural gas-fired power plants, using site-specific emissions and regionally defined cost parameters to calculate the cost of CO2 avoided for two scenarios delivery to and injection with reliable sequestration sites, and delivery and injection for the purpose of CO2-EOR. Despite application of credits from the existing federal tax code 45Q, a minimum incentive gap of roughly $38/tCO2 remains for geologic sequestration of CO2, and $56/tCO2 for CO2-EOR (before consideration of revenue generated from delivered CO2). At full escalation of 45Q, delivered CO2 costs from this sector for geologic sequestration could reach as low as $22/tCO2. However, given the capital investment required in the near term, it would be beneficial if the credit provided the greatest economic benefit early on and decreasing over time as deployment continues to ramp up. Additionally, due to the high qualifying limit of 45Q for the power sector, e.g., 500 ktCO2/yr, the tax credit incentivizes the capture of roughly 397 MtCO2/yr at 90% capture efficiency, or 75% of the emissions in this sector, with missed opportunities equating to roughly 118 MtCO2. Advancing the scale of CCS will require both technological advances in the capture technology, cost reductions through the leveraging of existing infrastructure, and increased policy incentives in terms of cost along with reduction of qualifying limits.Imaging mass spectrometry (IMS) has proven to be a useful tool when investigating the spatial distributions of metabolites and proteins in a biological system. One of the biggest advantages of IMS is the ability to maintain the 3D chemical composition of a sample and analyze in a label free manner. However, acquiring the spatial information leads to an increase in data size. Due to the increased availability of commercial mass spectrometers capable of IMS, there has been an exciting development of different statistical tools that can help decipher the spatial relevance of an analyte in a biological sample. To address this need, software packages like SCiLS and the open source R package Cardinal have been designed to perform unbiased spectral grouping based on the similarity of spectra in an IMS data set. In this note we evaluate SCiLS and Cardinal compatibility with MALDI-TOF IMS data sets of the Gram-negative pathogen Pseudomonas aeruginosa PA14. Both software were able to perform unsupervised segmentation with similar performance.
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  • guilt or shame were not more engaged in PA. Clinical Trial Registration ISRCTN 11913581. Registered January 10, 2017. Copyright © 2020 De Man, Wouters, Absetz, Daivadanam, Naggayi, Kasujja, Remmen, Guwatudde and Van Olmen.Despite the numerous benefits associated with sport practice, many children and adolescents end up quitting it year after year, with a stable dropout rate between 10 and 19 years of age. Among the causes of sport abandonment, the scientific literature highlights the presence of burnout as a fundamental factor. In this regard, the aim of the present study was to investigate the levels of the three components of sport burnout-emotional and physical exhaustion, reduced sense of accomplishment, and sport devaluation-reported by a sample of young (former) athletes, depending on whether their sport abandonment was relative (i.e., change to another sport modality) or definitive. In particular, participants were former agonist road cyclists, who have been divided into three groups on the basis of what they did after abandoning road bicycle racing, namely (a) those still involved in cycling, either in a different specialty (e.g., mountain bike) or with a different role (e.g., coach for kids); (b) those who started prao ensure the well-being of young athletes, thus trying to reduce early dropout. Copyright © 2020 Sors, Tomé Lourido, Damonte, Santoro, Galmonte, Agostini and Murgia.This study reflects on the meaning of the results of a self-paced grammaticality judgment task that tested island configurations (with gaps and resumptive pronouns) in L1 and L2 speakers of Spanish. Results indicated that resumptive pronouns do not rescue extractions from islands, as traditionally assumed in grammatical theory, and propose that islands are essentially an interpretative or processing matter, and not only a grammatical one, as in Kluender (1998). This study further challenges the L2 studies that proposed that L2 learners are fundamentally different from native speakers because they usually fail to reject island configurations, and shows that L2 learners are sensitive to the same processing and interpretative mechanisms that native speakers employ to parse island configurations. Generally speaking, this study proposes that apparent purely syntactic restrictions such as extractions from islands might not depend on their grammatical formation, but on other relevant factors such as plausibility, embedding, and processability, which together with grammatical well-formedness configure a more holistic and useful notion of linguistic acceptability. Copyright © 2020 Perpiñán.Quantifiers (e.g., "many," "some," "at least seven," "more than half") are words characterizing amounts or numerosities by reference to an internal threshold, or degree. For some quantifiers, this degree is not uniquely defined It varies for external contexts ("many lions"/"many flies") but may also be shifted within an individual ("many fries" for a hungry/full person). Previous studies showed that manipulation of the degree for one quantifier can impact that of other quantifiers. In this study, we tested whether such changes can occur by mere habituation, as formalized in the Adaptation Level Theory by Helson (1948) for sensory stimuli such as brightness or weight. To this end, participants read a quantifier statement and then judged whether a visual display with varying amounts (20-80%) of blue and yellow circles matched that statement. In Block 1, we identified which proportion of circles of a given color was judged by participants as "many" or "few." In Block 2, we modified the presentation of stimuli sunally for magnitudes, i.e., non-linguistic representations of quantities. Copyright © 2020 Heim, Peiseler and Bekemeier.With respect to both competitive and amateur/fitness sports, media may strongly influence young people's opinions and behaviors concerning the use of PAES (Performance and Appearance Enhancing Substances). The present investigation addressed this topic by focusing on sport sciences students' beliefs concerning the possible role of media related to the implementation and evaluation of a PAES-focus media literacy intervention conducted with sport science students. https://www.selleckchem.com/ This study relied on a sample of 521 students (attrition rate 10.3%) (45.1% female, mean age = 22.6, SD = 2.20), which provided baseline data on students' levels of media literacy concerning the use of PAES (i.e. "descriptive sample"), and a sample of 248 students, who participated in and provided data on the media literacy intervention. This latter sample included a group of 128 students (44.5% female, mean age = 23.03, SD = 3.76) who actively participated in the intervention (i.e. "intervention group"), and a group of 120 students who did not (i.e. opyright © 2020 Mallia, Chirico, Zelli, Galli, Palombi, Bortoli, Conti, Diotaiuti, Robazza, Schena, Vitali, Zandonai and Lucidi.In this article, we extend the Bayesian nonparametric regression method Gaussian Process Regression to the analysis of longitudinal panel data. We call this new approach Gaussian Process Panel Modeling (GPPM). GPPM provides great flexibility because of the large number of models it can represent. It allows classical statistical inference as well as machine learning inspired predictive modeling. GPPM offers frequentist and Bayesian inference without the need to resort to Markov chain Monte Carlo-based approximations, which makes the approach exact and fast. GPPMs are defined using the kernel-language, which can express many traditional modeling approaches for longitudinal data, such as linear structural equation models, multilevel models, or state-space models but also various commonly used machine learning approaches. As a result, GPPM is uniquely able to represent hybrid models combining traditional parametric longitudinal models and nonparametric machine learning models. In the present paper, we introduce GPPM and illustrate its utility through theoretical arguments as well as simulated and empirical data. Copyright © 2020 Karch, Brandmaier and Voelkle.The published literature has produced several definitions for the sense of presence in a simulated environment, as well as various methods for measuring it. The variety of conceptualizations makes it difficult for researchers to interpret, compare, and evaluate the presence ratings obtained from individual studies. Presence has been measured by employing questionnaires, physiological indices, behavioral feedbacks, and interviews. A systematic literature review was conducted to provide insight into the definitions and measurements of presence in studies from 2002 to 2019, with a focus on questionnaires and physiological measures. The review showed that scholars had introduced various definitions of presence that often originate from different theoretical standpoints and that this has produced a multitude of different questionnaires that aim to measure presence. At the same time, physiological studies that investigate the physiological correlates of the sense of presence have often shown ambiguous results or have not been replicated.
    guilt or shame were not more engaged in PA. Clinical Trial Registration ISRCTN 11913581. Registered January 10, 2017. Copyright © 2020 De Man, Wouters, Absetz, Daivadanam, Naggayi, Kasujja, Remmen, Guwatudde and Van Olmen.Despite the numerous benefits associated with sport practice, many children and adolescents end up quitting it year after year, with a stable dropout rate between 10 and 19 years of age. Among the causes of sport abandonment, the scientific literature highlights the presence of burnout as a fundamental factor. In this regard, the aim of the present study was to investigate the levels of the three components of sport burnout-emotional and physical exhaustion, reduced sense of accomplishment, and sport devaluation-reported by a sample of young (former) athletes, depending on whether their sport abandonment was relative (i.e., change to another sport modality) or definitive. In particular, participants were former agonist road cyclists, who have been divided into three groups on the basis of what they did after abandoning road bicycle racing, namely (a) those still involved in cycling, either in a different specialty (e.g., mountain bike) or with a different role (e.g., coach for kids); (b) those who started prao ensure the well-being of young athletes, thus trying to reduce early dropout. Copyright © 2020 Sors, Tomé Lourido, Damonte, Santoro, Galmonte, Agostini and Murgia.This study reflects on the meaning of the results of a self-paced grammaticality judgment task that tested island configurations (with gaps and resumptive pronouns) in L1 and L2 speakers of Spanish. Results indicated that resumptive pronouns do not rescue extractions from islands, as traditionally assumed in grammatical theory, and propose that islands are essentially an interpretative or processing matter, and not only a grammatical one, as in Kluender (1998). This study further challenges the L2 studies that proposed that L2 learners are fundamentally different from native speakers because they usually fail to reject island configurations, and shows that L2 learners are sensitive to the same processing and interpretative mechanisms that native speakers employ to parse island configurations. Generally speaking, this study proposes that apparent purely syntactic restrictions such as extractions from islands might not depend on their grammatical formation, but on other relevant factors such as plausibility, embedding, and processability, which together with grammatical well-formedness configure a more holistic and useful notion of linguistic acceptability. Copyright © 2020 Perpiñán.Quantifiers (e.g., "many," "some," "at least seven," "more than half") are words characterizing amounts or numerosities by reference to an internal threshold, or degree. For some quantifiers, this degree is not uniquely defined It varies for external contexts ("many lions"/"many flies") but may also be shifted within an individual ("many fries" for a hungry/full person). Previous studies showed that manipulation of the degree for one quantifier can impact that of other quantifiers. In this study, we tested whether such changes can occur by mere habituation, as formalized in the Adaptation Level Theory by Helson (1948) for sensory stimuli such as brightness or weight. To this end, participants read a quantifier statement and then judged whether a visual display with varying amounts (20-80%) of blue and yellow circles matched that statement. In Block 1, we identified which proportion of circles of a given color was judged by participants as "many" or "few." In Block 2, we modified the presentation of stimuli sunally for magnitudes, i.e., non-linguistic representations of quantities. Copyright © 2020 Heim, Peiseler and Bekemeier.With respect to both competitive and amateur/fitness sports, media may strongly influence young people's opinions and behaviors concerning the use of PAES (Performance and Appearance Enhancing Substances). The present investigation addressed this topic by focusing on sport sciences students' beliefs concerning the possible role of media related to the implementation and evaluation of a PAES-focus media literacy intervention conducted with sport science students. https://www.selleckchem.com/ This study relied on a sample of 521 students (attrition rate 10.3%) (45.1% female, mean age = 22.6, SD = 2.20), which provided baseline data on students' levels of media literacy concerning the use of PAES (i.e. "descriptive sample"), and a sample of 248 students, who participated in and provided data on the media literacy intervention. This latter sample included a group of 128 students (44.5% female, mean age = 23.03, SD = 3.76) who actively participated in the intervention (i.e. "intervention group"), and a group of 120 students who did not (i.e. opyright © 2020 Mallia, Chirico, Zelli, Galli, Palombi, Bortoli, Conti, Diotaiuti, Robazza, Schena, Vitali, Zandonai and Lucidi.In this article, we extend the Bayesian nonparametric regression method Gaussian Process Regression to the analysis of longitudinal panel data. We call this new approach Gaussian Process Panel Modeling (GPPM). GPPM provides great flexibility because of the large number of models it can represent. It allows classical statistical inference as well as machine learning inspired predictive modeling. GPPM offers frequentist and Bayesian inference without the need to resort to Markov chain Monte Carlo-based approximations, which makes the approach exact and fast. GPPMs are defined using the kernel-language, which can express many traditional modeling approaches for longitudinal data, such as linear structural equation models, multilevel models, or state-space models but also various commonly used machine learning approaches. As a result, GPPM is uniquely able to represent hybrid models combining traditional parametric longitudinal models and nonparametric machine learning models. In the present paper, we introduce GPPM and illustrate its utility through theoretical arguments as well as simulated and empirical data. Copyright © 2020 Karch, Brandmaier and Voelkle.The published literature has produced several definitions for the sense of presence in a simulated environment, as well as various methods for measuring it. The variety of conceptualizations makes it difficult for researchers to interpret, compare, and evaluate the presence ratings obtained from individual studies. Presence has been measured by employing questionnaires, physiological indices, behavioral feedbacks, and interviews. A systematic literature review was conducted to provide insight into the definitions and measurements of presence in studies from 2002 to 2019, with a focus on questionnaires and physiological measures. The review showed that scholars had introduced various definitions of presence that often originate from different theoretical standpoints and that this has produced a multitude of different questionnaires that aim to measure presence. At the same time, physiological studies that investigate the physiological correlates of the sense of presence have often shown ambiguous results or have not been replicated.
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