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  • Furthermore, downregulation of miR-342-5p reversed the inhibitory effect of TGF-β1 on the expression of Ptch1 in TCMK-1 cells, while downregulation of FoxO3 promoted the inhibitory effect of TGF-β1 on the expression of Ptch1. Additionally, downregulation of Ptch1 increased TGF-β1-induced autophagy, as evidenced by an increase in the number of GFP-LC3 puncta and the increased protein expression of SOSTM1/p62 and LC3II/LC3I. Our findings showed that Ptch1 expression is negatively regulated by miR-342-5p and positively regulated by FoxO3, and downregulation of Ptch1 induced autophagy in TGF-β1-stimulated TCMK-1 cells. These findings will further our understanding of the molecular mechanisms of RF and provide useful novel therapeutic targets for RF.A spinal root avulsion is the most severe proximal peripheral nerve lesion possible. Avulsion of ventral root filaments disconnects spinal motoneurons from their target muscles, resulting in complete paralysis. In patients that undergo brachial plexus nerve repair, axonal regeneration is a slow process. It takes months or even years to bridge the distance from the lesion site to the distal targets located in the forearm. Following ventral root avulsion, without additional pharmacological or surgical treatments, progressive death of motoneurons occurs within 2 weeks (Koliatsos et al., 1994). Reimplantation of the avulsed ventral root or peripheral nerve graft can act as a conduit for regenerating axons and increases motoneuron survival (Chai et al., 2000). However, this beneficial effect is transient. Combined with protracted and poor long-distance axonal regeneration, this results in permanent function loss. To overcome motoneuron death and improve functional recovery, several promising intervention strategies are being developed. Here, we focus on GDNF gene-therapy. We first introduce the experimental ventral root avulsion model and discuss its value as a proxy to study clinical neurotmetic nerve lesions. Second, we discuss our recent studies showing that GDNF gene-therapy is a powerful strategy to promote long-term motoneuron survival and improve function when target muscle reinnervation occurs within a critical post-lesion period. Based upon these observations, we discuss the influence of timing of the intervention, and of the duration, concentration and location of GDNF delivery on functional outcome. Finally, we provide a perspective on future research directions to realize functional recovery using gene therapy.Advances in 3D bioprinting have allowed the use of stem cells along with biomaterials and growth factors toward novel tissue engineering approaches. However, the cost of these systems along with their consumables is currently extremely high, limiting their applicability. To address this, we converted a 3D printer into an open source 3D bioprinter and produced a customized bioink based on accessible alginate/gelatin precursors, leading to a cost-effective solution. The bioprinter's resolution, including line width, spreading ratio and extrusion uniformity measurements, along with the rheological properties of the bioinks were analyzed, revealing high bioprinting accuracy within the printability window. Following the bioprinting process, cell survival and proliferation were validated on HeLa Kyoto and HEK293T cell lines. In addition, we isolated and 3D bioprinted postnatal neural stem cell progenitors derived from the mouse subventricular zone as well as mesenchymal stem cells derived from mouse bone marrow. Our results suggest that our low-cost 3D bioprinter can support cell proliferation and differentiation of two different types of primary stem cell populations, indicating that it can be used as a reliable tool for developing efficient research models for stem cell research and tissue engineering.Osteoarthritis (OA) has become recognized as a low-grade inflammatory state. Inflammatory infiltration of the synovium by macrophages, T cells, B cells, and other immune cells is often observed in OA patients and plays a key role in the pathogenesis of OA. Hence, orchestrating the local inflammatory microenvironment and tissue regeneration microenvironment is important for the treatment of OA. Mesenchymal stem cells (****) offer the potential for cartilage regeneration owing to their effective immunomodulatory properties and anti-inflammatory abilities. The paracrine effect, mediated by ****derived extracellular vehicles (EVs), has recently been suggested as a mechanism for their therapeutic properties. In this review, we summarize the interactions between **** or ****derived EVs and OA-related immune cells and discuss their therapeutic effects in OA. Additionally, we discuss the potential of ****derived EVs as a novel cell-free therapy approach for the clinical treatment of OA.Bionic composites are an emerging class of materials produced exploiting living organisms as reactors to include synthetic functional materials in their native and highly performing structures. In this work, single wall carboxylated carbon nanotubes (SWCNT-COOH) were incorporated within the roots of living plants of Arabidopsis thaliana. This biogenic synthetic route produced a bionic composite material made of root components and SWCNT-COOH. https://www.selleckchem.com/products/turi.html The synthesis was possible exploiting the transport processes existing in the plant roots. Scanning electrochemical microscopy (SECM) measurements showed that SWCNT-COOH entered the vascular bundles of A. thaliana roots localizing within xylem vessels. SWCNT-COOH preserved their electrical properties when embedded inside the root matrix, both at a microscopic level and a macroscopic level, and did not significantly affect the mechanical properties of A. thaliana roots.Changing environmental conditions are of utmost importance for regulation of secondary metabolism in fungi. Different environmental cues including the carbon source, light and the presence of a mating partner can lead to altered production of compounds. Thereby, the heterotrimeric G-protein pathway is of major importance for sensing and adjustment of gene regulation. Regulation of secondary metabolism is crucial in the biotechnological workhorse Trichoderma reesei for knowledge-based adjustment in industrial fermentations, but also with respect to the potential use as a host for heterologous compound production. We investigated the function of the class VII G-protein coupled receptor (GPCR) gene gpr8 that is localized in the vicinity of the SOR cluster, which is responsible for biosynthesis of sorbicillinoids. GPR8 positively impacts regulation of the genes in this cluster in darkness. Accordingly, abundance of trichodimerol and dihydrotrichotetronine as well as other secondary metabolites is decreased in the deletion mutant.
    Furthermore, downregulation of miR-342-5p reversed the inhibitory effect of TGF-β1 on the expression of Ptch1 in TCMK-1 cells, while downregulation of FoxO3 promoted the inhibitory effect of TGF-β1 on the expression of Ptch1. Additionally, downregulation of Ptch1 increased TGF-β1-induced autophagy, as evidenced by an increase in the number of GFP-LC3 puncta and the increased protein expression of SOSTM1/p62 and LC3II/LC3I. Our findings showed that Ptch1 expression is negatively regulated by miR-342-5p and positively regulated by FoxO3, and downregulation of Ptch1 induced autophagy in TGF-β1-stimulated TCMK-1 cells. These findings will further our understanding of the molecular mechanisms of RF and provide useful novel therapeutic targets for RF.A spinal root avulsion is the most severe proximal peripheral nerve lesion possible. Avulsion of ventral root filaments disconnects spinal motoneurons from their target muscles, resulting in complete paralysis. In patients that undergo brachial plexus nerve repair, axonal regeneration is a slow process. It takes months or even years to bridge the distance from the lesion site to the distal targets located in the forearm. Following ventral root avulsion, without additional pharmacological or surgical treatments, progressive death of motoneurons occurs within 2 weeks (Koliatsos et al., 1994). Reimplantation of the avulsed ventral root or peripheral nerve graft can act as a conduit for regenerating axons and increases motoneuron survival (Chai et al., 2000). However, this beneficial effect is transient. Combined with protracted and poor long-distance axonal regeneration, this results in permanent function loss. To overcome motoneuron death and improve functional recovery, several promising intervention strategies are being developed. Here, we focus on GDNF gene-therapy. We first introduce the experimental ventral root avulsion model and discuss its value as a proxy to study clinical neurotmetic nerve lesions. Second, we discuss our recent studies showing that GDNF gene-therapy is a powerful strategy to promote long-term motoneuron survival and improve function when target muscle reinnervation occurs within a critical post-lesion period. Based upon these observations, we discuss the influence of timing of the intervention, and of the duration, concentration and location of GDNF delivery on functional outcome. Finally, we provide a perspective on future research directions to realize functional recovery using gene therapy.Advances in 3D bioprinting have allowed the use of stem cells along with biomaterials and growth factors toward novel tissue engineering approaches. However, the cost of these systems along with their consumables is currently extremely high, limiting their applicability. To address this, we converted a 3D printer into an open source 3D bioprinter and produced a customized bioink based on accessible alginate/gelatin precursors, leading to a cost-effective solution. The bioprinter's resolution, including line width, spreading ratio and extrusion uniformity measurements, along with the rheological properties of the bioinks were analyzed, revealing high bioprinting accuracy within the printability window. Following the bioprinting process, cell survival and proliferation were validated on HeLa Kyoto and HEK293T cell lines. In addition, we isolated and 3D bioprinted postnatal neural stem cell progenitors derived from the mouse subventricular zone as well as mesenchymal stem cells derived from mouse bone marrow. Our results suggest that our low-cost 3D bioprinter can support cell proliferation and differentiation of two different types of primary stem cell populations, indicating that it can be used as a reliable tool for developing efficient research models for stem cell research and tissue engineering.Osteoarthritis (OA) has become recognized as a low-grade inflammatory state. Inflammatory infiltration of the synovium by macrophages, T cells, B cells, and other immune cells is often observed in OA patients and plays a key role in the pathogenesis of OA. Hence, orchestrating the local inflammatory microenvironment and tissue regeneration microenvironment is important for the treatment of OA. Mesenchymal stem cells (MSCs) offer the potential for cartilage regeneration owing to their effective immunomodulatory properties and anti-inflammatory abilities. The paracrine effect, mediated by MSC-derived extracellular vehicles (EVs), has recently been suggested as a mechanism for their therapeutic properties. In this review, we summarize the interactions between MSCs or MSC-derived EVs and OA-related immune cells and discuss their therapeutic effects in OA. Additionally, we discuss the potential of MSC-derived EVs as a novel cell-free therapy approach for the clinical treatment of OA.Bionic composites are an emerging class of materials produced exploiting living organisms as reactors to include synthetic functional materials in their native and highly performing structures. In this work, single wall carboxylated carbon nanotubes (SWCNT-COOH) were incorporated within the roots of living plants of Arabidopsis thaliana. This biogenic synthetic route produced a bionic composite material made of root components and SWCNT-COOH. https://www.selleckchem.com/products/turi.html The synthesis was possible exploiting the transport processes existing in the plant roots. Scanning electrochemical microscopy (SECM) measurements showed that SWCNT-COOH entered the vascular bundles of A. thaliana roots localizing within xylem vessels. SWCNT-COOH preserved their electrical properties when embedded inside the root matrix, both at a microscopic level and a macroscopic level, and did not significantly affect the mechanical properties of A. thaliana roots.Changing environmental conditions are of utmost importance for regulation of secondary metabolism in fungi. Different environmental cues including the carbon source, light and the presence of a mating partner can lead to altered production of compounds. Thereby, the heterotrimeric G-protein pathway is of major importance for sensing and adjustment of gene regulation. Regulation of secondary metabolism is crucial in the biotechnological workhorse Trichoderma reesei for knowledge-based adjustment in industrial fermentations, but also with respect to the potential use as a host for heterologous compound production. We investigated the function of the class VII G-protein coupled receptor (GPCR) gene gpr8 that is localized in the vicinity of the SOR cluster, which is responsible for biosynthesis of sorbicillinoids. GPR8 positively impacts regulation of the genes in this cluster in darkness. Accordingly, abundance of trichodimerol and dihydrotrichotetronine as well as other secondary metabolites is decreased in the deletion mutant.
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  • Sex hormone-binding globulin, also known as testosterone-estradiol-binding globulin, is a multifunctional protein synthesised by hepatocytes. Sex hormone-binding globulin specifically binds and transports sex hormones to regulate plasma bioactive sex hormone levels and affects their bioavailability. As male sex hormone expression is dominated by testosterone, the binding of sex hormone-binding globulin with testosterone leads to the reduction in bioavailable testosterone, which cannot fulfil its physiological roles, thereby resulting in male infertility, erectile and gonadal dysfunction, prostate cancer and other male reproductive system diseases. Sex hormone-binding globulin may be involved in the pathogenesis of male reproductive system diseases, seriously affecting the quality of life of men. In this article, we review the association between sex hormone-binding globulin and male reproductive system diseases.Molecular self-assembly has been widely used to develop nanocarriers for drug delivery. However, most of them have unsatisfactory drug loading capacity (DLC) and the dilemma between stimuli-responsiveness and stability, stagnating their translational process. Herein, we overcame these drawbacks using dynamic combinatorial chemistry. A carrier molecule was spontaneously and quantitatively synthesized, aided by co-self-assembly with a template molecule and an anti-cancer drug doxorubicin (DOX) from a dynamic combinatorial library that was operated by disulfide exchange under thermodynamic control. The highly selective synthesis guaranteed a stable yet pH- and redox- responsive nanocarrier with a maximized DLC of 40.1 % and an enhanced drug potency to fight DOX resistance in vitro and in vivo. Our findings suggested that harnessing the interplay between synthesis and self-assembly in complex chemical systems could yield functional nanomaterials for advanced applications.This study's purpose is to evaluate whether bone speed of sound (SOS) data, a parameter of quantitative ultrasound, collected from an infant autopsy sample are comparable to data collected from healthy, living infants. We hypothesize that SOS values obtained from deceased term-born infants will fall within the normal range for healthy, living infants. https://www.selleckchem.com/products/dmb.html The study sample consists of 351 deceased infants between the ages of 30 weeks gestation at birth to 1 year postnatal at the time of death receiving autopsies at the Harris County Institute of Forensic Sciences or Texas Children's Hospital in Houston, TX. Various multivariate and univariate statistics were used to examine the relationship between SOS and age, prematurity, and chronic illness. The results of an ANOVA comparing the study sample data to published data from healthy, living infants indicate the SOS data are comparable. Additionally, a MANOVA indicated significant differences in SOS related to prematurity (p = 0.001) and age (p less then 0.001). Mean SOS was significantly greater among term-born infants (M = 3065.66, SD =165.05) than premature infants (M = 2969.71, SD =192.72). Age had a significant polynomial (cubic) relationship with SOS for both the premature and term groups (p less then 0.001). Results suggest that bone from an infant autopsy sample is an appropriate surrogate to examine the relationship between SOS and determinants of bone strength. Therefore, future research will use this study sample to investigate the relationship between SOS and determinants of bone strength in infants.Hippocampal sharp-wave ripples (SWRs) support the reactivation of memory representations, relaying information to neocortex during "offline" and sleep-dependent memory consolidation. While blockade of NMDA receptors (NMDAR) is known to affect both learning and subsequent consolidation, the specific contributions of NMDAR activation to SWR-associated activity remain unclear. Here, we combine biophysical modeling with in vivo local field potential (LFP) and unit recording to quantify changes in SWR dynamics following inactivation of NMDAR. In a biophysical model of CA3-CA1 SWR activity, we find that NMDAR removal leads to reduced SWR density, but spares SWR properties such as duration, cell recruitment and ripple frequency. These predictions are confirmed by experiments in which NMDAR-mediated transmission in rats was inhibited using three different NMDAR antagonists, while recording dorsal CA1 LFP. In the model, loss of NMDAR-mediated conductances also induced a reduction in the proportion of cell pairs that co-activate significantly above chance across multiple events. Again, this prediction is corroborated by dorsal CA1 single-unit recordings, where the NMDAR blocker ketamine disrupted correlated spiking during SWR. Our results are consistent with a framework in which NMDA receptors both promote activation of SWR events and organize SWR-associated spiking content. This suggests that, while SWR are short-lived events emerging in fast excitatory-inhibitory networks, slower network components including NMDAR-mediated currents contribute to ripple density and promote consistency in the spiking content across ripples, underpinning mechanisms for fine-tuning of memory consolidation processes.The physical properties of a biomaterial play an essential role in regulating immune and reparative activities within the host tissue. This study aimed to evaluate the immunological impact of material stiffness of a glycol-chitosan hydrogel designed for vocal fold tissue engineering. Hydrogel stiffness was varied via the concentration of glyoxal cross-linker applied. Hydrogel mechanical properties were characterized through atomic force microscopy and shear plate rheometry. Using a transwell setup, macrophages were co-cultured with human vocal fold fibroblasts that were embedded within the hydrogel. Macrophage viability and cytokine secretion were evaluated at 3, 24, and 72 hr of culture. Flow cytometry was applied to evaluate macrophage cell surface markers after 72 hr of cell culture. Results indicated that increasing hydrogel stiffness was associated with increased anti-inflammatory activity compared to relevant controls. In addition, increased anti-inflammatory activity was observed in hydrogel co-cultures.
    Sex hormone-binding globulin, also known as testosterone-estradiol-binding globulin, is a multifunctional protein synthesised by hepatocytes. Sex hormone-binding globulin specifically binds and transports sex hormones to regulate plasma bioactive sex hormone levels and affects their bioavailability. As male sex hormone expression is dominated by testosterone, the binding of sex hormone-binding globulin with testosterone leads to the reduction in bioavailable testosterone, which cannot fulfil its physiological roles, thereby resulting in male infertility, erectile and gonadal dysfunction, prostate cancer and other male reproductive system diseases. Sex hormone-binding globulin may be involved in the pathogenesis of male reproductive system diseases, seriously affecting the quality of life of men. In this article, we review the association between sex hormone-binding globulin and male reproductive system diseases.Molecular self-assembly has been widely used to develop nanocarriers for drug delivery. However, most of them have unsatisfactory drug loading capacity (DLC) and the dilemma between stimuli-responsiveness and stability, stagnating their translational process. Herein, we overcame these drawbacks using dynamic combinatorial chemistry. A carrier molecule was spontaneously and quantitatively synthesized, aided by co-self-assembly with a template molecule and an anti-cancer drug doxorubicin (DOX) from a dynamic combinatorial library that was operated by disulfide exchange under thermodynamic control. The highly selective synthesis guaranteed a stable yet pH- and redox- responsive nanocarrier with a maximized DLC of 40.1 % and an enhanced drug potency to fight DOX resistance in vitro and in vivo. Our findings suggested that harnessing the interplay between synthesis and self-assembly in complex chemical systems could yield functional nanomaterials for advanced applications.This study's purpose is to evaluate whether bone speed of sound (SOS) data, a parameter of quantitative ultrasound, collected from an infant autopsy sample are comparable to data collected from healthy, living infants. We hypothesize that SOS values obtained from deceased term-born infants will fall within the normal range for healthy, living infants. https://www.selleckchem.com/products/dmb.html The study sample consists of 351 deceased infants between the ages of 30 weeks gestation at birth to 1 year postnatal at the time of death receiving autopsies at the Harris County Institute of Forensic Sciences or Texas Children's Hospital in Houston, TX. Various multivariate and univariate statistics were used to examine the relationship between SOS and age, prematurity, and chronic illness. The results of an ANOVA comparing the study sample data to published data from healthy, living infants indicate the SOS data are comparable. Additionally, a MANOVA indicated significant differences in SOS related to prematurity (p = 0.001) and age (p less then 0.001). Mean SOS was significantly greater among term-born infants (M = 3065.66, SD =165.05) than premature infants (M = 2969.71, SD =192.72). Age had a significant polynomial (cubic) relationship with SOS for both the premature and term groups (p less then 0.001). Results suggest that bone from an infant autopsy sample is an appropriate surrogate to examine the relationship between SOS and determinants of bone strength. Therefore, future research will use this study sample to investigate the relationship between SOS and determinants of bone strength in infants.Hippocampal sharp-wave ripples (SWRs) support the reactivation of memory representations, relaying information to neocortex during "offline" and sleep-dependent memory consolidation. While blockade of NMDA receptors (NMDAR) is known to affect both learning and subsequent consolidation, the specific contributions of NMDAR activation to SWR-associated activity remain unclear. Here, we combine biophysical modeling with in vivo local field potential (LFP) and unit recording to quantify changes in SWR dynamics following inactivation of NMDAR. In a biophysical model of CA3-CA1 SWR activity, we find that NMDAR removal leads to reduced SWR density, but spares SWR properties such as duration, cell recruitment and ripple frequency. These predictions are confirmed by experiments in which NMDAR-mediated transmission in rats was inhibited using three different NMDAR antagonists, while recording dorsal CA1 LFP. In the model, loss of NMDAR-mediated conductances also induced a reduction in the proportion of cell pairs that co-activate significantly above chance across multiple events. Again, this prediction is corroborated by dorsal CA1 single-unit recordings, where the NMDAR blocker ketamine disrupted correlated spiking during SWR. Our results are consistent with a framework in which NMDA receptors both promote activation of SWR events and organize SWR-associated spiking content. This suggests that, while SWR are short-lived events emerging in fast excitatory-inhibitory networks, slower network components including NMDAR-mediated currents contribute to ripple density and promote consistency in the spiking content across ripples, underpinning mechanisms for fine-tuning of memory consolidation processes.The physical properties of a biomaterial play an essential role in regulating immune and reparative activities within the host tissue. This study aimed to evaluate the immunological impact of material stiffness of a glycol-chitosan hydrogel designed for vocal fold tissue engineering. Hydrogel stiffness was varied via the concentration of glyoxal cross-linker applied. Hydrogel mechanical properties were characterized through atomic force microscopy and shear plate rheometry. Using a transwell setup, macrophages were co-cultured with human vocal fold fibroblasts that were embedded within the hydrogel. Macrophage viability and cytokine secretion were evaluated at 3, 24, and 72 hr of culture. Flow cytometry was applied to evaluate macrophage cell surface markers after 72 hr of cell culture. Results indicated that increasing hydrogel stiffness was associated with increased anti-inflammatory activity compared to relevant controls. In addition, increased anti-inflammatory activity was observed in hydrogel co-cultures.
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  • Q fever is a zoonotic infection threatening human health, causing abortions in cattle, sheep and goats. Coxiella burnetii (C. burnetii) also causes serious problems such as low birth weight, infertility. This study is the first exemplary for analysis of Q fever around Black Sea region in Turkey. In the study, a total of 270 aborted fetuses (171 cattle, 79 sheep, 20 goats) and 1069 tick samples were aimed to be searched by PCR method. https://www.selleckchem.com/products/z57346765-hydrochloride.html C. burnetii DNA was detected in 8 (2.96 %) of 270 sheep specimens while it could not be found in cattle and goat specimens. 406 sample pools were created from 1069 tick samples (490 male, 579 female) collected from 254 farm animals (187 cattle, 54 sheep, 13 goats) and 11 of these were stated positive. Tick species determined as C. burnetii positive were Hyalomma marginatum, Hyalomma anoliticum excavatum, Hyalomma detritum and Boophilus annulatus. Agent isolation was carried out within embryonated eggs. Agents were stained with Giemsa and was showed. Sequence analysis was performed for TUR/SAM/coxiella_1 (MN917207) isolate and phylogenetic tree was created. This tree, created in compliance with IS1111 transposon gene, did not form different branches in regard to host affiliation (goat, sheep, tick, human) and geographical distribution. As a result, an important zoonotic agent, C. burnetii was diagnosed in sheep aborted fetuses and the infection was proved to have spread among sheep herds in Black Sea region. Besides, 4 separate tick species found in our region hosted the agent and were found important for infection.
    Recently, the successor of the Conventional Gait Model, the CGM2 was introduced. Even though achievable reliability of gait kinematics is a well-assessed topic in gait analysis for several models, information about reliability in difficult study samples with high amount of subcutaneous fat is scarce and to date, not available for the CGM2. Therefore, this study evaluated the test-retest reliability of the CGM2 model for difficult data with high amount of soft tissue artifacts.

    What is the test-retest reliability of the CGM2 during level walking and stair climbing in a young obese population? Is there a clinically relevant difference in reliability between a standard direct kinematic model and the CGM2?

    A retrospective test-retest dataset from eight male and two female volunteers was used. It comprised standard 3D gait analysis data of three walking conditions level walking, stair ascent and descent. To quantify test-retest reliability the Standard Error of Measurement (SEM) was calculated for each kinemthe SEM was increased during the first half of swing in all walking conditions. This might be attributed to increased variability resulting for example from inaccurate knee and ankle axis definitions or increased variability in the gait pattern and needs to be considered during data interpretation.
    Impaired sitting balance is common in persons with stroke, affecting postural control in different directions. However, studies seldomly investigate sitting balance in severely affected non-ambulatory persons with stroke and precise assessment including the diagonal directions are scarce.

    Are measurements of maximal voluntary weight-shifts decreased in severely affected persons with stroke in comparison to healthy controls, and is there a relationship with clinical measurements of trunk control, sitting and standing balance?

    14 Persons with stroke were recruited in the rehabilitation phase along with 32 healthy controls. A clinical pressure platform (RM Ingénierie, France) evaluated the weight-distribution during static sitting and measurements of maximal voluntary weight-shifts, by centre of pressure displacements in six directions. Clinical measurements included Trunk Control Test, Trunk Impairment Scale and Berg Balance Scale.

    The persons with stroke had a mean (SD) age of 69 (17) years, including study reveals that measurements of maximal voluntary weight-shifts are feasible and show clinically relevant deficits in severely affected non-ambulatory persons with stroke. Especially the lateral and diagonal directions can be of interest to investigate further as they are most strongly correlated with clinical measurements of balance. Reaching exercises in these directions could be considered a core element of rehabilitation for this group of patients.
    Multiple sclerosis (MS) is an autoimmune-based chronic inflammatory disease characterized by the neurodegeneration of the central nervous system and produces postural dysfunction. Quiet or static standing is a complex task carried out through afferent sensory inputs and efferent postural corrective outputs. Currently the mechanisms underlying these outputs remain largely unknown.

    Assess the relationship between multi-dimensional measures of postural control and microstructural integrity of the cortical sensorimotor pathway (CSP) in persons with MS (PwMS) and neurotypical adults.

    Postural control performance was assessed by both overall and directional time-to-boundary measures across four manipulated sensory stance conditions (eyes open/closed; stance firm/foam) in twenty-nine neurotypical and twenty-seven PwMS. These postural outcomes were evaluated with mixed-model repeated measures analysis of variance across group (MS and control) and stance condition. Postural performance was also correlated with msfunction in PwMS and provide new avenues for evaluating the efficacy of postural rehabilitation strategies in PwMS that express proprioceptive-based postural deficits.
    This is the first study to establish connections between the microstructural integrity of the CSP and multi-dimensional postural control performance. Results indicate that a reduction in the CSP microstructural integrity is associated with poorer postural control in PwMS. These outcomes identify neural underpinnings of postural control dysfunction in PwMS and provide new avenues for evaluating the efficacy of postural rehabilitation strategies in PwMS that express proprioceptive-based postural deficits.
    Reduced forward propulsion during gait, measured as the anterior component of the ground reaction force (AGRF), may contribute to slower walking speeds in older adults and gait dysfunction in individuals with neurological impairments. Trailing limb angle (TLA) is a clinically important gait parameter that is associated with AGRF generation. Real-time gait biofeedback can induce modifications in targeted gait parameters, with potential to modulate AGRF and TLA. However, the effects of real-time TLA biofeedback on gait biomechanics have not been studied thus far.

    What are the effects of unilateral, real-time, audiovisual trailing limb angle biofeedback on gait biomechanics in able-bodied individuals?

    Ten able-bodied adults participated in one session of treadmill-based gait analyses comprising 60-second walking trials under three conditions no biofeedback, AGRF biofeedback, and TLA biofeedback. Biofeedback was provided unilaterally to the right leg. Dependent variables included AGRF, TLA, ankle moment, and ankle power.
    Q fever is a zoonotic infection threatening human health, causing abortions in cattle, sheep and goats. Coxiella burnetii (C. burnetii) also causes serious problems such as low birth weight, infertility. This study is the first exemplary for analysis of Q fever around Black Sea region in Turkey. In the study, a total of 270 aborted fetuses (171 cattle, 79 sheep, 20 goats) and 1069 tick samples were aimed to be searched by PCR method. https://www.selleckchem.com/products/z57346765-hydrochloride.html C. burnetii DNA was detected in 8 (2.96 %) of 270 sheep specimens while it could not be found in cattle and goat specimens. 406 sample pools were created from 1069 tick samples (490 male, 579 female) collected from 254 farm animals (187 cattle, 54 sheep, 13 goats) and 11 of these were stated positive. Tick species determined as C. burnetii positive were Hyalomma marginatum, Hyalomma anoliticum excavatum, Hyalomma detritum and Boophilus annulatus. Agent isolation was carried out within embryonated eggs. Agents were stained with Giemsa and was showed. Sequence analysis was performed for TUR/SAM/coxiella_1 (MN917207) isolate and phylogenetic tree was created. This tree, created in compliance with IS1111 transposon gene, did not form different branches in regard to host affiliation (goat, sheep, tick, human) and geographical distribution. As a result, an important zoonotic agent, C. burnetii was diagnosed in sheep aborted fetuses and the infection was proved to have spread among sheep herds in Black Sea region. Besides, 4 separate tick species found in our region hosted the agent and were found important for infection. Recently, the successor of the Conventional Gait Model, the CGM2 was introduced. Even though achievable reliability of gait kinematics is a well-assessed topic in gait analysis for several models, information about reliability in difficult study samples with high amount of subcutaneous fat is scarce and to date, not available for the CGM2. Therefore, this study evaluated the test-retest reliability of the CGM2 model for difficult data with high amount of soft tissue artifacts. What is the test-retest reliability of the CGM2 during level walking and stair climbing in a young obese population? Is there a clinically relevant difference in reliability between a standard direct kinematic model and the CGM2? A retrospective test-retest dataset from eight male and two female volunteers was used. It comprised standard 3D gait analysis data of three walking conditions level walking, stair ascent and descent. To quantify test-retest reliability the Standard Error of Measurement (SEM) was calculated for each kinemthe SEM was increased during the first half of swing in all walking conditions. This might be attributed to increased variability resulting for example from inaccurate knee and ankle axis definitions or increased variability in the gait pattern and needs to be considered during data interpretation. Impaired sitting balance is common in persons with stroke, affecting postural control in different directions. However, studies seldomly investigate sitting balance in severely affected non-ambulatory persons with stroke and precise assessment including the diagonal directions are scarce. Are measurements of maximal voluntary weight-shifts decreased in severely affected persons with stroke in comparison to healthy controls, and is there a relationship with clinical measurements of trunk control, sitting and standing balance? 14 Persons with stroke were recruited in the rehabilitation phase along with 32 healthy controls. A clinical pressure platform (RM Ingénierie, France) evaluated the weight-distribution during static sitting and measurements of maximal voluntary weight-shifts, by centre of pressure displacements in six directions. Clinical measurements included Trunk Control Test, Trunk Impairment Scale and Berg Balance Scale. The persons with stroke had a mean (SD) age of 69 (17) years, including study reveals that measurements of maximal voluntary weight-shifts are feasible and show clinically relevant deficits in severely affected non-ambulatory persons with stroke. Especially the lateral and diagonal directions can be of interest to investigate further as they are most strongly correlated with clinical measurements of balance. Reaching exercises in these directions could be considered a core element of rehabilitation for this group of patients. Multiple sclerosis (MS) is an autoimmune-based chronic inflammatory disease characterized by the neurodegeneration of the central nervous system and produces postural dysfunction. Quiet or static standing is a complex task carried out through afferent sensory inputs and efferent postural corrective outputs. Currently the mechanisms underlying these outputs remain largely unknown. Assess the relationship between multi-dimensional measures of postural control and microstructural integrity of the cortical sensorimotor pathway (CSP) in persons with MS (PwMS) and neurotypical adults. Postural control performance was assessed by both overall and directional time-to-boundary measures across four manipulated sensory stance conditions (eyes open/closed; stance firm/foam) in twenty-nine neurotypical and twenty-seven PwMS. These postural outcomes were evaluated with mixed-model repeated measures analysis of variance across group (MS and control) and stance condition. Postural performance was also correlated with msfunction in PwMS and provide new avenues for evaluating the efficacy of postural rehabilitation strategies in PwMS that express proprioceptive-based postural deficits. This is the first study to establish connections between the microstructural integrity of the CSP and multi-dimensional postural control performance. Results indicate that a reduction in the CSP microstructural integrity is associated with poorer postural control in PwMS. These outcomes identify neural underpinnings of postural control dysfunction in PwMS and provide new avenues for evaluating the efficacy of postural rehabilitation strategies in PwMS that express proprioceptive-based postural deficits. Reduced forward propulsion during gait, measured as the anterior component of the ground reaction force (AGRF), may contribute to slower walking speeds in older adults and gait dysfunction in individuals with neurological impairments. Trailing limb angle (TLA) is a clinically important gait parameter that is associated with AGRF generation. Real-time gait biofeedback can induce modifications in targeted gait parameters, with potential to modulate AGRF and TLA. However, the effects of real-time TLA biofeedback on gait biomechanics have not been studied thus far. What are the effects of unilateral, real-time, audiovisual trailing limb angle biofeedback on gait biomechanics in able-bodied individuals? Ten able-bodied adults participated in one session of treadmill-based gait analyses comprising 60-second walking trials under three conditions no biofeedback, AGRF biofeedback, and TLA biofeedback. Biofeedback was provided unilaterally to the right leg. Dependent variables included AGRF, TLA, ankle moment, and ankle power.
    0 Commentaires 0 Parts 69 Vue 0 Aperçu

  • Insect intraspecific olfactory communication occurs in a complex sensory environment. Here we present recent results on how the olfactory system extracts specific information from a sensory background, and integrates it with complementary information to improve odor source localization. Recent advances on mechanisms of olfactory mixture processing, multi-modal integration, as well as plasticity of sensory processing are reviewed. Significant progress in the understanding of neural coding and molecular bases of olfaction reinforce our perception of the tremendous adaptability of insects to a changing environment. However several reports demonstrate that anthropogenic environmental perturbations interfere with insect olfactory communication and might as a consequence significantly alter the functioning of ecosystems and agroecosystems.Progesterone and progesterone receptors (PR) have a storied albeit controversial history in breast cancers. As endocrine therapies for breast cancer progressed through the 20th century from oophorectomy to antiestrogens, it was recognized in the 1970s that the presence of estrogen receptors (ER) alone could not efficiently predict treatment responses. PR, an estrogen regulated protein, became the first prognostic and predictive marker of response to endocrine therapies. It remains today as the gold standard for predicting the existence of functional, targetable ER, in breast malignancies. PRs were subsequently identified as highly structured transcription factors that regulate diverse physiological processes in breast cancer cells. In the early 2000s, the somewhat surprising finding that prolonged use of synthetic progestin-containing menopausal hormone therapies was associated with increased breast cancer incidence raised new questions about the role of PR in "tumorigenesis". Most recently, PR have been linked to expansion of cancer stem cells, that are postulated to be the principal cells reactivated in occult or dormant disease. Other studies establish PR as dominant modulators of ER activity. Together, these findings mark PR as bona fide targets for progestin or antiprogestin therapies, yet their diverse actions have confounded that use. Here we summarize the early history of PR in breast cancer; debunk the theory that progesterone causes cancer; discuss recent discoveries that PR regulate cell heterogeneity; attempt to unify theories describing PR as either good or bad actors in tumors; and discuss emerging areas of research that may help explain this enigmatic hormone and receptor.In the last 15 years, single-cell technologies have become robust and indispensable tools to investigate cell heterogeneity. Beyond transcriptomic, genomic and epigenome analyses, technologies are constantly evolving, in particular toward multi-omics, where analyses of different source materials from a single cell are combined, and spatial transcriptomics where resolution of cellular heterogeneity can be detected in situ. While some of these techniques are still being optimised, single-cell RNAseq has commonly been used because the examination of transcriptomes allows characterization of cell identity, and therefore unravel previously uncharacterised diversity within cell populations. Most endocrine organs have now been investigated using this technique, and this has given new insights into organ embryonic development, characterization of rare cell types, and disease mechanisms. Here we highlight recent studies, particularly on the hypothalamus and pituitary, and examine recent findings on the pancreas and reproductive organs where many single-cell experiments have been performed.Most scientists consider that sonochemistry became recognised as a discrete subject in the 1980's - some 40 years ago which coincidentally is when my own interests in the subject began. This review briefly outlines how I first became involved in sonochemistry and then in its development. However its main theme is the way in which my links with China through sonochemistry have developed from their beginnings in 1990. This was the subject of my presentation at AOSS4 and involves a range of topics which started with the extraction of natural products and surface treatment but later expanded to include therapeutic ultrasound and environmental protection.Gene regulation by steroid hormones has been at the forefront in elucidating the intricacies of transcriptional regulation in eukaryotes ever since the discovery by Karlson and Clever that the insect steroid hormone ecdysone induces chromatin puffs in giant chromosomes. After the successful cloning of the hormone receptors towards the end of the past century, detailed mechanistic insight emerged in some model systems, in particular the MMTV provirus. With the arrival of next generation DNA sequencing and the omics techniques we have gained even further insight into the global cellular response to steroid hormones that in the past decades also extended to the function of the 3D genome topology. More recently advances in high resolution microcopy, single cell genomics and the new vision of liquid-liquid phase transitions in the context of nuclear space brings us closer than ever to unravelling the logic of gene regulation and its complex integration of global cellular signaling networks. Using the function of progesterone and its cellular receptor in breast cancer cells we will briefly summarize the history and describe the present extent of our knowledge on how regulatory proteins deal with the chromatin structure to gain access to DNA sequences and interpret the genomic instructions that enable cells to respond selectively to external signals by reshaping their gene regulatory networks.A low vitamin D status is associated with an increased risk of various cancers, such as of colon, breast, prostate and hematological cells. The biologically most active vitamin D metabolite 1α,25-dihydroxyvitamin D3 (1,25(OH)2D3) is a high affinity ligand of the transcription factor vitamin D receptor (VDR). https://www.selleckchem.com/products/Bortezomib.html 1,25(OH)2D3 induces via VDR changes to the epigenome of healthy and neoplastic cells and in this way influences their transcriptome. Ligand-activated VDR binds to more than 10,000 loci within the human genome and affects the transcription of some 1000 target genes in a large proportion of human tissues and cell types. From the evolutionary perspective, the prime role of vitamin D was probably the control of energy metabolism later shifting to modulate innate and adaptive immunity as well as to regulate calcium and bone homeostasis. Since rapidly growing immune and cancer cells both use the same pathways and genes for controlling their proliferation, differentiation and apoptosis, not surprisingly, vitamin D signaling changes these processes also in neoplastic cells.
    Insect intraspecific olfactory communication occurs in a complex sensory environment. Here we present recent results on how the olfactory system extracts specific information from a sensory background, and integrates it with complementary information to improve odor source localization. Recent advances on mechanisms of olfactory mixture processing, multi-modal integration, as well as plasticity of sensory processing are reviewed. Significant progress in the understanding of neural coding and molecular bases of olfaction reinforce our perception of the tremendous adaptability of insects to a changing environment. However several reports demonstrate that anthropogenic environmental perturbations interfere with insect olfactory communication and might as a consequence significantly alter the functioning of ecosystems and agroecosystems.Progesterone and progesterone receptors (PR) have a storied albeit controversial history in breast cancers. As endocrine therapies for breast cancer progressed through the 20th century from oophorectomy to antiestrogens, it was recognized in the 1970s that the presence of estrogen receptors (ER) alone could not efficiently predict treatment responses. PR, an estrogen regulated protein, became the first prognostic and predictive marker of response to endocrine therapies. It remains today as the gold standard for predicting the existence of functional, targetable ER, in breast malignancies. PRs were subsequently identified as highly structured transcription factors that regulate diverse physiological processes in breast cancer cells. In the early 2000s, the somewhat surprising finding that prolonged use of synthetic progestin-containing menopausal hormone therapies was associated with increased breast cancer incidence raised new questions about the role of PR in "tumorigenesis". Most recently, PR have been linked to expansion of cancer stem cells, that are postulated to be the principal cells reactivated in occult or dormant disease. Other studies establish PR as dominant modulators of ER activity. Together, these findings mark PR as bona fide targets for progestin or antiprogestin therapies, yet their diverse actions have confounded that use. Here we summarize the early history of PR in breast cancer; debunk the theory that progesterone causes cancer; discuss recent discoveries that PR regulate cell heterogeneity; attempt to unify theories describing PR as either good or bad actors in tumors; and discuss emerging areas of research that may help explain this enigmatic hormone and receptor.In the last 15 years, single-cell technologies have become robust and indispensable tools to investigate cell heterogeneity. Beyond transcriptomic, genomic and epigenome analyses, technologies are constantly evolving, in particular toward multi-omics, where analyses of different source materials from a single cell are combined, and spatial transcriptomics where resolution of cellular heterogeneity can be detected in situ. While some of these techniques are still being optimised, single-cell RNAseq has commonly been used because the examination of transcriptomes allows characterization of cell identity, and therefore unravel previously uncharacterised diversity within cell populations. Most endocrine organs have now been investigated using this technique, and this has given new insights into organ embryonic development, characterization of rare cell types, and disease mechanisms. Here we highlight recent studies, particularly on the hypothalamus and pituitary, and examine recent findings on the pancreas and reproductive organs where many single-cell experiments have been performed.Most scientists consider that sonochemistry became recognised as a discrete subject in the 1980's - some 40 years ago which coincidentally is when my own interests in the subject began. This review briefly outlines how I first became involved in sonochemistry and then in its development. However its main theme is the way in which my links with China through sonochemistry have developed from their beginnings in 1990. This was the subject of my presentation at AOSS4 and involves a range of topics which started with the extraction of natural products and surface treatment but later expanded to include therapeutic ultrasound and environmental protection.Gene regulation by steroid hormones has been at the forefront in elucidating the intricacies of transcriptional regulation in eukaryotes ever since the discovery by Karlson and Clever that the insect steroid hormone ecdysone induces chromatin puffs in giant chromosomes. After the successful cloning of the hormone receptors towards the end of the past century, detailed mechanistic insight emerged in some model systems, in particular the MMTV provirus. With the arrival of next generation DNA sequencing and the omics techniques we have gained even further insight into the global cellular response to steroid hormones that in the past decades also extended to the function of the 3D genome topology. More recently advances in high resolution microcopy, single cell genomics and the new vision of liquid-liquid phase transitions in the context of nuclear space brings us closer than ever to unravelling the logic of gene regulation and its complex integration of global cellular signaling networks. Using the function of progesterone and its cellular receptor in breast cancer cells we will briefly summarize the history and describe the present extent of our knowledge on how regulatory proteins deal with the chromatin structure to gain access to DNA sequences and interpret the genomic instructions that enable cells to respond selectively to external signals by reshaping their gene regulatory networks.A low vitamin D status is associated with an increased risk of various cancers, such as of colon, breast, prostate and hematological cells. The biologically most active vitamin D metabolite 1α,25-dihydroxyvitamin D3 (1,25(OH)2D3) is a high affinity ligand of the transcription factor vitamin D receptor (VDR). https://www.selleckchem.com/products/Bortezomib.html 1,25(OH)2D3 induces via VDR changes to the epigenome of healthy and neoplastic cells and in this way influences their transcriptome. Ligand-activated VDR binds to more than 10,000 loci within the human genome and affects the transcription of some 1000 target genes in a large proportion of human tissues and cell types. From the evolutionary perspective, the prime role of vitamin D was probably the control of energy metabolism later shifting to modulate innate and adaptive immunity as well as to regulate calcium and bone homeostasis. Since rapidly growing immune and cancer cells both use the same pathways and genes for controlling their proliferation, differentiation and apoptosis, not surprisingly, vitamin D signaling changes these processes also in neoplastic cells.
    0 Commentaires 0 Parts 71 Vue 0 Aperçu

  • ature of spermatogenesis in NOA population by assessing the possible presence of sperm after mTESE.OBJECTIVES The loss of skeletal muscle mass is widely considered a predictor of poor survival and toxicity in breast cancer patients. The aim of this study is to evaluate if there is pectoralis muscle area (PMA) variation, reflecting loss of skeletal muscle mass, on consecutive MRI examinations after neoadjuvant chemotherapy. METHODS The retrospective study protocol was approved by our institutional review board. A total of n = 110 consecutive patients (mean age 56 ± 11 years) who were treated with neoadjuvant chemotherapy (NAC) for histologically proven primary breast cancer between January 2017 and January 2019 and in whom tumor response was checked with standard breast MRI were included. Two radiologists calculated the pectoralis muscle cross-sectional area before and after NAC. RESULTS Time between the MRI examinations, before starting NAC and after completing NAC, was 166.8 ± 50 days. PMA calculated pre-NAC (8.14 cm2) was larger than PMA calculated post-NAC (7.03 cm2) (p  less then  0.001). According to the Response Evaluation Criteria in Solid Tumors (RECIST) criteria, there were no significant differences between responders (complete or partial response) and non-responders (p = 0.362). The multivariate regression analysis did not show any significant relationships between ΔPMA and age, time between MRI exams, estrogen and progesterone receptor status, human epidermal growth factor receptor status (HER-2), Ki-67 expression, lymph node status, RECIST criteria, histological type, average lesion size, molecular categories, and grade. Inter-reader (k = 0.72) and intra-reader agreement (0.69 and 0.71) in PMA assessment were good. CONCLUSIONS Pectoralis muscle mass varies in breast cancer patients undergoing NAC and this difference can be estimated directly on standard breast MRI. KEY POINTS • Pectoralis muscle area variation reflects loss of skeletal muscle mass. • Pectoralis muscle area on MRI is reduced after NAC. • Pectoralis muscle mass loss seems independent from other variables.BACKGROUND Fungal infections of the skin, hair, and nails are the largest and most widespread group of all mycoses. https://www.selleckchem.com/products/ABT-888.html Nannizzia nana is a relatively rare etiological factor of dermatomycosis in humans, as it usually affects animals, e.g. pigs and boars. In addition to the zoophilic nature, there are also reports of the geophilic reservoir of this dermatophyte species. OBJECTIVE In this study, we present symptomatic infections with N. nana aetiology in humans reported recently in Poland. Interestingly, these cases had a non-specific clinical picture and occurred as skin lesions on the neck and foot as well as onychomycosis of the toenails. From the medical history, the patients had no contact with pigs. METHODS Diagnostics of these infections was performed with a combination of classical phenotypic and molecular genomic methods. The genomic diversity of the isolates was determined using the MP-PCR method. In vitro antifungal susceptibility tests against itraconazole, ketoconazole, terbinafine and naftifine hydrochloride were also performed. RESULTS Nannizzia nana has been identified as an etiological factor of dermatomycosis. Moreover, heterogeneity of the genomes was revealed for the obtained strains. In vitro activities of antifungal agents showed that isolates were susceptible to all tested drugs. The patients were treated with oral terbinafine and topical ketoconazole cream, which led to a complete recovery. CONCLUSIONS In conclusion, the cases studied by us may indicate that the infrequency of N. nana infections may not necessarily be related to the low infectivity of this fungal agent, but they are rather associated with misdiagnosis. Furthermore, N. nana reservoirs should also be sought in soil.For some years now, direct-acting oral anticoagulants (DOACs) have entered the clinical practice for stroke prevention in non-valvular atrial fibrillation (NVAF) or for prevention and treatment of venous thromboembolism (VTE). However, there is uncertainty on DOACs' use in some clinical scenarios that are not fully explored by clinical trials, but commonly encountered in the real world. We report a Delphi Consensus on DOAC use in VTE patients. The consensus dealt with seven main topics (1) clinical superiority of DOACs compared to VKAs; (2) therapeutic options for patients with intermediate risk PE; (3) therapeutic management of patients with deep vein thrombosis (DVT); (4) DOACs' role in oncological patients with VTE; (5) role of the reversal agent; (6) safety of low doses of DOACs in VTE patients; (7) DOACs long-term therapy (more than 12 months) in VTE patients; Forty-six physicians (cardiologists, internists, angiologists, oncologists, hematologists, and geriatricians) from Italy expressed their level of agreement on each statement by using a five-point Likert scale (1 strongly disagree, 2 disagree, 3 somewhat agree, 4 agree, 5 strongly agree). Votes 1-2 were considered as disagreement, while votes 3-5 as agreement. For each statement an agreement of ≥ 66% among the respondents was considered consensus. A brief discussion about the results for each topic is also reported.Acute respiratory failure (RF) is a life-threatening syndrome. This study investigated the application of two major clinical strategies, non-invasive mechanical ventilation (NIV) and invasive mechanical ventilation (IMV), in the first episode of acute RF. Data from the longitudinal health insurance database, which included 1,000,000 insured citizens, were used. The NIV group consisted of 1201 patients and the IMV group consisted of 16,072 patients. Chi-square test and t test were applied to determine the differences in categorical and continuous variables. Further analysis was performed by using univariate and multivariable logistic regression and Poisson regression. There was a significant increase of 733% in the number of NIV users from 2000 to 2012. NIV use was frequently observed in old-age persons (aOR 3.99, 95% CI 3.06-5.21 for those aged ≥ 80 years), women (aOR 1.33, 95% CI 1.18-1.50), patients admitted to a high-level hospital (aOR 1.95, 95% CI 1.63-2.34 for those admitted to a medical center), and patients with a higher Charlson comorbidity index (CCI, aOR 1.
    ature of spermatogenesis in NOA population by assessing the possible presence of sperm after mTESE.OBJECTIVES The loss of skeletal muscle mass is widely considered a predictor of poor survival and toxicity in breast cancer patients. The aim of this study is to evaluate if there is pectoralis muscle area (PMA) variation, reflecting loss of skeletal muscle mass, on consecutive MRI examinations after neoadjuvant chemotherapy. METHODS The retrospective study protocol was approved by our institutional review board. A total of n = 110 consecutive patients (mean age 56 ± 11 years) who were treated with neoadjuvant chemotherapy (NAC) for histologically proven primary breast cancer between January 2017 and January 2019 and in whom tumor response was checked with standard breast MRI were included. Two radiologists calculated the pectoralis muscle cross-sectional area before and after NAC. RESULTS Time between the MRI examinations, before starting NAC and after completing NAC, was 166.8 ± 50 days. PMA calculated pre-NAC (8.14 cm2) was larger than PMA calculated post-NAC (7.03 cm2) (p  less then  0.001). According to the Response Evaluation Criteria in Solid Tumors (RECIST) criteria, there were no significant differences between responders (complete or partial response) and non-responders (p = 0.362). The multivariate regression analysis did not show any significant relationships between ΔPMA and age, time between MRI exams, estrogen and progesterone receptor status, human epidermal growth factor receptor status (HER-2), Ki-67 expression, lymph node status, RECIST criteria, histological type, average lesion size, molecular categories, and grade. Inter-reader (k = 0.72) and intra-reader agreement (0.69 and 0.71) in PMA assessment were good. CONCLUSIONS Pectoralis muscle mass varies in breast cancer patients undergoing NAC and this difference can be estimated directly on standard breast MRI. KEY POINTS • Pectoralis muscle area variation reflects loss of skeletal muscle mass. • Pectoralis muscle area on MRI is reduced after NAC. • Pectoralis muscle mass loss seems independent from other variables.BACKGROUND Fungal infections of the skin, hair, and nails are the largest and most widespread group of all mycoses. https://www.selleckchem.com/products/ABT-888.html Nannizzia nana is a relatively rare etiological factor of dermatomycosis in humans, as it usually affects animals, e.g. pigs and boars. In addition to the zoophilic nature, there are also reports of the geophilic reservoir of this dermatophyte species. OBJECTIVE In this study, we present symptomatic infections with N. nana aetiology in humans reported recently in Poland. Interestingly, these cases had a non-specific clinical picture and occurred as skin lesions on the neck and foot as well as onychomycosis of the toenails. From the medical history, the patients had no contact with pigs. METHODS Diagnostics of these infections was performed with a combination of classical phenotypic and molecular genomic methods. The genomic diversity of the isolates was determined using the MP-PCR method. In vitro antifungal susceptibility tests against itraconazole, ketoconazole, terbinafine and naftifine hydrochloride were also performed. RESULTS Nannizzia nana has been identified as an etiological factor of dermatomycosis. Moreover, heterogeneity of the genomes was revealed for the obtained strains. In vitro activities of antifungal agents showed that isolates were susceptible to all tested drugs. The patients were treated with oral terbinafine and topical ketoconazole cream, which led to a complete recovery. CONCLUSIONS In conclusion, the cases studied by us may indicate that the infrequency of N. nana infections may not necessarily be related to the low infectivity of this fungal agent, but they are rather associated with misdiagnosis. Furthermore, N. nana reservoirs should also be sought in soil.For some years now, direct-acting oral anticoagulants (DOACs) have entered the clinical practice for stroke prevention in non-valvular atrial fibrillation (NVAF) or for prevention and treatment of venous thromboembolism (VTE). However, there is uncertainty on DOACs' use in some clinical scenarios that are not fully explored by clinical trials, but commonly encountered in the real world. We report a Delphi Consensus on DOAC use in VTE patients. The consensus dealt with seven main topics (1) clinical superiority of DOACs compared to VKAs; (2) therapeutic options for patients with intermediate risk PE; (3) therapeutic management of patients with deep vein thrombosis (DVT); (4) DOACs' role in oncological patients with VTE; (5) role of the reversal agent; (6) safety of low doses of DOACs in VTE patients; (7) DOACs long-term therapy (more than 12 months) in VTE patients; Forty-six physicians (cardiologists, internists, angiologists, oncologists, hematologists, and geriatricians) from Italy expressed their level of agreement on each statement by using a five-point Likert scale (1 strongly disagree, 2 disagree, 3 somewhat agree, 4 agree, 5 strongly agree). Votes 1-2 were considered as disagreement, while votes 3-5 as agreement. For each statement an agreement of ≥ 66% among the respondents was considered consensus. A brief discussion about the results for each topic is also reported.Acute respiratory failure (RF) is a life-threatening syndrome. This study investigated the application of two major clinical strategies, non-invasive mechanical ventilation (NIV) and invasive mechanical ventilation (IMV), in the first episode of acute RF. Data from the longitudinal health insurance database, which included 1,000,000 insured citizens, were used. The NIV group consisted of 1201 patients and the IMV group consisted of 16,072 patients. Chi-square test and t test were applied to determine the differences in categorical and continuous variables. Further analysis was performed by using univariate and multivariable logistic regression and Poisson regression. There was a significant increase of 733% in the number of NIV users from 2000 to 2012. NIV use was frequently observed in old-age persons (aOR 3.99, 95% CI 3.06-5.21 for those aged ≥ 80 years), women (aOR 1.33, 95% CI 1.18-1.50), patients admitted to a high-level hospital (aOR 1.95, 95% CI 1.63-2.34 for those admitted to a medical center), and patients with a higher Charlson comorbidity index (CCI, aOR 1.
    0 Commentaires 0 Parts 251 Vue 0 Aperçu

  • 001). Compound C-1 and C-3 took more time to heal the wound as compare to compound C-2, C-4 and C-5. The re-epithelialization process of wound in animals group treated with potent compound was highly significant (p less then 0.001) and faster than control. Results of this study suggest that the compounds C-2, C-4 andC-5 possess pronounced antibacterial and wound healing potential and need to be further evaluated for mechanism of action.Analysis of the constituents of the chloroform extract of Oxytropis falcata Bunge (CEOF), a traditional Tibetan medicine, in rat's serum after oral administration, has been performed by HPLC-MS. We have identified 10 compounds in CEOF and 11 bioactive ingredients from rat's serum after given CEOF. Six bioactive ingredients from rat's serum are matched with original form of the compounds of CEOF. Other five bioactive ingredients were seemed to be respectively metabolites. HPLC-MS is rapid, sensitive method and suitable for identification of bioactive components absorbed into blood of CEOF providing information for further research of pharmacological mechanism.Alzheimer's disease (AD) is a multifactorial neurodegenerative disorder mainly characterized by progressive deterioration of memory and impaired cognitive function. The most promising approach for symptomatic relief of AD is to inhibit acetylcholinesterase (AChE). On the basis of this approach in-house library of 9-aminoacridine derivatives were constructed and allowed to docked against human acetylcholinesterase (hAChE) (PDB ID 4EY7), using MOE 2018.01 and PyRx 0.9.2 (AutoDock Vina). Top ranked and best fitted molecules were synthesized by targeting the 9-amino group of aminoacridine with substituted phenacyl halides. https://www.selleckchem.com/products/cx-5461.html Anti-Alzheimer's potential was checked by in vitro AChE inhibition, antioxidant activity (DPPH scavenging ability) and fibril disaggregation. Subjected ligands suggested as promising multitargeted candidate with pronounced results in term of IC50 values (AChE inhibition 2.400-26.138μM), however, none of them showed potential towards fibril inhibition.Cnidoscolus aconitifolius is one of the plants used in folk medicine for the treatment of peptic ulcer. However, the present study was designed to validate the gastro-protective effect of Cnidoscolus aconitifolius leaves using diclofenac-induced ulcer model. The gastro-protective effect of Cnidoscolus aconitifolius leaves was evaluated by employing diclofenac-induced gastric ulcer in rats. Gastric mucosal lesions were induced by oral administration of diclofenac in rats. The pH of gastric juice from pylorus-ligated rats was measured. Histological examinations of the gastric tissues were also carried out. The present findings showed that Cnidoscolus aconitifolius leaf methanol extract exerted gastro-protective activity, as demonstrated by its consistent significant and dose dependent increase in mean ulcer index (MUI) inhibition against gastric mucosa damage induced by diclofenac treatment. Histological investigation of the gastric lesions showed that the plant stimulates the scarring cicatrizing process and thereby maintaining the architecture of the mucosal surfaces. The gastro-protective effect observed could be related to the therapeutic properties of the phytoconstituents of Cnidoscolus aconitifolius extract. Cnidoscolus aconitifolius leaves possess gastro-protective property in a dose dependent manner.Hyperuricemia is a common metabolic disorder and several herbal formulations are being used for its treatment. The study aimed to develop herbal formulation (Urinil B) and find its hypouricemic effects in vitro and in vivo. Urinil B was prepared by taking Trachyspermum ammi, Piper nigrum and Berberis vulgaris equally. In vitro Dissolution test and xanthine oxidase inhibition assay was performed for checking capsule absorbance and IC50 calculation respectively. For in vivo experimentation, the study comprised of 14 groups of rats (n=6). Results showed that significant xanthine oxidase inhibition was shown by herbal formulation with IC50 of 586±1.5μg/mL. Oral administration of Urinil B 250, 500 and 1000 mg/kg decreased serum and liver uric acid levels of hyperuricemic rats in dose and time dependent manner. 3 day and seven day administration of Urinil B reduced serum and liver uric acid level more significantly as compared to one day administration. However, allopurinol normalized serum and liver uric acid levels in all study groups. The present study indicated marked hypouricemic effects of Urinil B in hyperuricemia induced by potassium oxonate in rats. However, due to caveat of small sample size in this study, clear conclusion regarding hypouricemic potential of Urinil B can't be made.Intestinal lymphatic transport has been proved to have contribution to oral absorption of some highly lipophilic drugs. T-OA, 3βhydroxyolea-12-en-28-oic acid-3,5,6-trimethylpyrazin-2-methylester, has been reported to have anti-cancer activity. However,T-OA's poor solubility and difficulty to be absorbed cause low oral bioavailability. This work aims to investigate the influence of T-OA liposomes on intestinal lymphatic transport with rat model. T-OA liposomes were prepared by freeze-drying method, and particle size, zeta potential and entrapment efficiency of T-OA liposomes were detected to evaluate liposomes. Conscious restrained rat model was selected to evaluate intestinal lymphatic transport. The particle size, zeta potential and entrapment efficiency of T-OA liposomes were (184.05 ± 10.93) nm, (-21±0.85) mV and (93.24±2.25) %, respectively. The cumulative amounts in mesenteric lymph of T-OA liposomes and T-OA suspension within 12 h were (921.39±19.73) μg and (332.31±21.39) μg (n=6), respectively. Experimental results showed that T-OA liposomes could significantly promote T-OA's intestinal lymphatic transport and enhance its oral bioavailability.The present research was carried out at the Institute of Biotechnology and Genetic Engineering, The University of Agriculture Peshawar, KPK Pakistan. In this study crude methanolic extracts from Thuja occidentalis were tested for their antimicrobial activity against five different bacterial strains (Bacillus subtilis, Escherichia coli, Klebsiella pneumonia, Xanthomonas sp. and Staphylococcus aureus) at two different concentrations (10 and 20 mg/ml) using disc diffusion assay. The results showed that Klebsiella pneumoniae was most sensitive to crude extracted sample from leaves at both low and high concentrations measuring 37 and 57% zone of inhibition respectively and Xanthomonas and Staphylococcus aureus was found to be more resistant to the crude extracted samples from leaves at both concentrations. Similarly, Klebsiella pneumoniae was most sensitive to crude extracted samples from seeds at high concentration followed by E. coli at both concentrations. Staphylococcus aureus on the other hand was found to be more resistant to the crude extracted samples at low and high concentrations.
    001). Compound C-1 and C-3 took more time to heal the wound as compare to compound C-2, C-4 and C-5. The re-epithelialization process of wound in animals group treated with potent compound was highly significant (p less then 0.001) and faster than control. Results of this study suggest that the compounds C-2, C-4 andC-5 possess pronounced antibacterial and wound healing potential and need to be further evaluated for mechanism of action.Analysis of the constituents of the chloroform extract of Oxytropis falcata Bunge (CEOF), a traditional Tibetan medicine, in rat's serum after oral administration, has been performed by HPLC-MS. We have identified 10 compounds in CEOF and 11 bioactive ingredients from rat's serum after given CEOF. Six bioactive ingredients from rat's serum are matched with original form of the compounds of CEOF. Other five bioactive ingredients were seemed to be respectively metabolites. HPLC-MS is rapid, sensitive method and suitable for identification of bioactive components absorbed into blood of CEOF providing information for further research of pharmacological mechanism.Alzheimer's disease (AD) is a multifactorial neurodegenerative disorder mainly characterized by progressive deterioration of memory and impaired cognitive function. The most promising approach for symptomatic relief of AD is to inhibit acetylcholinesterase (AChE). On the basis of this approach in-house library of 9-aminoacridine derivatives were constructed and allowed to docked against human acetylcholinesterase (hAChE) (PDB ID 4EY7), using MOE 2018.01 and PyRx 0.9.2 (AutoDock Vina). Top ranked and best fitted molecules were synthesized by targeting the 9-amino group of aminoacridine with substituted phenacyl halides. https://www.selleckchem.com/products/cx-5461.html Anti-Alzheimer's potential was checked by in vitro AChE inhibition, antioxidant activity (DPPH scavenging ability) and fibril disaggregation. Subjected ligands suggested as promising multitargeted candidate with pronounced results in term of IC50 values (AChE inhibition 2.400-26.138μM), however, none of them showed potential towards fibril inhibition.Cnidoscolus aconitifolius is one of the plants used in folk medicine for the treatment of peptic ulcer. However, the present study was designed to validate the gastro-protective effect of Cnidoscolus aconitifolius leaves using diclofenac-induced ulcer model. The gastro-protective effect of Cnidoscolus aconitifolius leaves was evaluated by employing diclofenac-induced gastric ulcer in rats. Gastric mucosal lesions were induced by oral administration of diclofenac in rats. The pH of gastric juice from pylorus-ligated rats was measured. Histological examinations of the gastric tissues were also carried out. The present findings showed that Cnidoscolus aconitifolius leaf methanol extract exerted gastro-protective activity, as demonstrated by its consistent significant and dose dependent increase in mean ulcer index (MUI) inhibition against gastric mucosa damage induced by diclofenac treatment. Histological investigation of the gastric lesions showed that the plant stimulates the scarring cicatrizing process and thereby maintaining the architecture of the mucosal surfaces. The gastro-protective effect observed could be related to the therapeutic properties of the phytoconstituents of Cnidoscolus aconitifolius extract. Cnidoscolus aconitifolius leaves possess gastro-protective property in a dose dependent manner.Hyperuricemia is a common metabolic disorder and several herbal formulations are being used for its treatment. The study aimed to develop herbal formulation (Urinil B) and find its hypouricemic effects in vitro and in vivo. Urinil B was prepared by taking Trachyspermum ammi, Piper nigrum and Berberis vulgaris equally. In vitro Dissolution test and xanthine oxidase inhibition assay was performed for checking capsule absorbance and IC50 calculation respectively. For in vivo experimentation, the study comprised of 14 groups of rats (n=6). Results showed that significant xanthine oxidase inhibition was shown by herbal formulation with IC50 of 586±1.5μg/mL. Oral administration of Urinil B 250, 500 and 1000 mg/kg decreased serum and liver uric acid levels of hyperuricemic rats in dose and time dependent manner. 3 day and seven day administration of Urinil B reduced serum and liver uric acid level more significantly as compared to one day administration. However, allopurinol normalized serum and liver uric acid levels in all study groups. The present study indicated marked hypouricemic effects of Urinil B in hyperuricemia induced by potassium oxonate in rats. However, due to caveat of small sample size in this study, clear conclusion regarding hypouricemic potential of Urinil B can't be made.Intestinal lymphatic transport has been proved to have contribution to oral absorption of some highly lipophilic drugs. T-OA, 3βhydroxyolea-12-en-28-oic acid-3,5,6-trimethylpyrazin-2-methylester, has been reported to have anti-cancer activity. However,T-OA's poor solubility and difficulty to be absorbed cause low oral bioavailability. This work aims to investigate the influence of T-OA liposomes on intestinal lymphatic transport with rat model. T-OA liposomes were prepared by freeze-drying method, and particle size, zeta potential and entrapment efficiency of T-OA liposomes were detected to evaluate liposomes. Conscious restrained rat model was selected to evaluate intestinal lymphatic transport. The particle size, zeta potential and entrapment efficiency of T-OA liposomes were (184.05 ± 10.93) nm, (-21±0.85) mV and (93.24±2.25) %, respectively. The cumulative amounts in mesenteric lymph of T-OA liposomes and T-OA suspension within 12 h were (921.39±19.73) μg and (332.31±21.39) μg (n=6), respectively. Experimental results showed that T-OA liposomes could significantly promote T-OA's intestinal lymphatic transport and enhance its oral bioavailability.The present research was carried out at the Institute of Biotechnology and Genetic Engineering, The University of Agriculture Peshawar, KPK Pakistan. In this study crude methanolic extracts from Thuja occidentalis were tested for their antimicrobial activity against five different bacterial strains (Bacillus subtilis, Escherichia coli, Klebsiella pneumonia, Xanthomonas sp. and Staphylococcus aureus) at two different concentrations (10 and 20 mg/ml) using disc diffusion assay. The results showed that Klebsiella pneumoniae was most sensitive to crude extracted sample from leaves at both low and high concentrations measuring 37 and 57% zone of inhibition respectively and Xanthomonas and Staphylococcus aureus was found to be more resistant to the crude extracted samples from leaves at both concentrations. Similarly, Klebsiella pneumoniae was most sensitive to crude extracted samples from seeds at high concentration followed by E. coli at both concentrations. Staphylococcus aureus on the other hand was found to be more resistant to the crude extracted samples at low and high concentrations.
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  • RESULTS The total effective rate was 95.0% (38/40) in the observation group, higher than 77.5% (31/40) in the control group (P less then 0.01). After treatment, the scores of VAS, ODI, PFDI-20 and PFIQ-7 were lower than those before treatment respectively in the patients of the two groups (P less then 0.01). JOA score and the sex life index were increased after treatment as compared with those before treatment in the two groups (P less then 0.01). The difference value of each of the above indexes in the observation group was higher than the control group (P less then 0.01). CONCLUSION The combined therapy of pelvic-sacral tendon-regulation needling technique of acupuncture and manipulative reduction effectively alleviates pain and improves the muscle strength of pelvic floor muscle fibers in the patients with postpartum pelvic girdle pain. Its therapeutic effect is better than that of the simple manipulative therapy.OBJECTIVE To explore the clinical therapeutic effect of acupuncture combined with opioid drugs on moderate and severe cancer pain. METHODS A total of 60 patients with cancer were randomized into an observation group and a control group, 30 cases in each group. Oxycodonehydrochloride prolonged-release tablet was taken orally in the control group. On the basis of the control group, acupuncture was applied at Hegu (LI 4), Neiguan (PC 6), Zusanli (ST 36), Sanyinjiao (SP 6), etc. Corresponding ****-shu points, xi-cleft points and ashi points were selected additionally according to primary viscera and pain sites in the observation group. The treatment was given once a day for 2 weeks. Symptomatic and supportive treatment were implanted, and no other antalgic measures were given during the trial. The daily dosage of opioid drug and the adverse reactions were recorded in both groups. Karnofsky performance status (KPS) and quality of life (QOL) scale scores were compared before and after treatment. Numerical rating sccancer patients, reduce the dosage of opioid drugs and adverse reactions rate.OBJECTIVE To evaluate the therapeutic effect on post-stroke strephenopodia treated with jiaotong qiaomai (harmonizing the heel vessel) needling technique of acupuncture. METHODS A total of 64 patients were randomized into an observation group (30 cases included, 2 cases dropped off) and a control group (30 cases included, 2 cases dropped off). In the control group, the routine needling technique of acupuncture and rehabilitation exercise were provided. In the observation group, on the base of the therapeutic regimen as the control group, the jiaotong qiaomai needling technique of acupuncture was added. Fengchi (GB 20), Rangu (KI 2), Zhaohai (KI 6) on the affected side and Fengfu (GV 16) were selected. The treatment was given once daily, 5 times a week, for 4 weeks totally in either group. https://www.selleckchem.com/EGFR(HER).html Separately, before treatment, in 2 weeks and 4 weeks of treatment, the strephenopodia angle was measured and Holden functional ambulation classification (FAC) was evaluated in the patients. Additionally, before treatment and in 4 weeks of treatment, the muscle-skeleton ultrasound was adopted to measure the thickness of anterior tibia muscle and posterior tibia muscle in the resting state of the patients. RESULTS The strephenopodia angle and Holden FAC were all improved after 4-week treatment in the two groups as compared with those before treatment (P0.05), and the thickness on the affected side in the observation group was higher than that in the control group after treatment (P less then 0.05). CONCLUSION The jiaotong qiaomai needling technique of acupuncture effectively improves the strephenopodia angle and ambulation function, as well as the morphology of anterior tibia muscle and posterior tibia muscle in the patients with post-stroke strephenopodia.OBJECTIVE To compare the clinical effect between Stiletto needle combined with massotherapy and articular injection of sodium hyaluronate for pain in patients with knee osteoarthritis (KOA). METHODS A total of 156 patients with KOA were randomly divided into an observation group and a control group, 78 cases in each group. The patients in the observation group were treated with Stiletto needle (once a week) combined with massotherapy (twice a week); the patients in the control group were treated with articular injection of sodium hyaluronate (once a week). The treatment period were 5 weeks in total. The visual analogue scale (VAS) score, local tenderness value, knee joint activity and Lysholm knee joint score were recorded before treatment, 3 weeks and 5 weeks of treatment. RESULTS Compared before treatment, the VAS score, local tenderness value, knee joint activity and Lysholm knee joint score in the two groups were improved 5 weeks of treatment (P less then 0.05). After 5 weeks of treatment, The local tenderness value and Lysholm knee joint score in the observation group were significantly improved compared with the control group (P less then 0.05), but the knee joint activity in the control group was superior to that in the observation group (P less then 0.05). CONCLUSION The Stiletto needle combined with massotherapy are superior to articular injection of sodium hyaluronate in relieving pain and improving knee joint function in patients with early-to-moderate KOA, but its effect on joint activity is inferior to sodium hyaluronate.OBJECTIVE To observe the effect of transcutaneous electrical acupoint stimulation (TEAS) on postoperative olfactory memory disorder in patients with general anesthesia of sevoflurane and to explore its possible mechanism. METHODS Forty patients who were scheduled to have gynecological and urological procedures under general anesthesia were randomly divided into an observation group and a control group, 20 cases in each group. The patients in the observation group were treated with TEAS (dilatational wave, 2 Hz/100 Hz) at Yingxiang (LI 20) and Yintang (GV 29) 10 min before anesthesia induction until the end of operation; the patients in the control group received general anesthesia directly. The changes of mean arterial pressure (MAP), heart rate (HR) and blood oxygen saturation (SpO2) were recorded before treatment, 30 min after operation and at the end of operation; smell identification score was measured by Connecticut Chemosensory Clinical Research Center (CCCRC) olfactory test before treatment (T0) and when Aldrete recovery score reached 10 points at the end of anesthesia (T1); the concentration of melatonin in plasma was measured by ELISA method in the two groups.
    RESULTS The total effective rate was 95.0% (38/40) in the observation group, higher than 77.5% (31/40) in the control group (P less then 0.01). After treatment, the scores of VAS, ODI, PFDI-20 and PFIQ-7 were lower than those before treatment respectively in the patients of the two groups (P less then 0.01). JOA score and the sex life index were increased after treatment as compared with those before treatment in the two groups (P less then 0.01). The difference value of each of the above indexes in the observation group was higher than the control group (P less then 0.01). CONCLUSION The combined therapy of pelvic-sacral tendon-regulation needling technique of acupuncture and manipulative reduction effectively alleviates pain and improves the muscle strength of pelvic floor muscle fibers in the patients with postpartum pelvic girdle pain. Its therapeutic effect is better than that of the simple manipulative therapy.OBJECTIVE To explore the clinical therapeutic effect of acupuncture combined with opioid drugs on moderate and severe cancer pain. METHODS A total of 60 patients with cancer were randomized into an observation group and a control group, 30 cases in each group. Oxycodonehydrochloride prolonged-release tablet was taken orally in the control group. On the basis of the control group, acupuncture was applied at Hegu (LI 4), Neiguan (PC 6), Zusanli (ST 36), Sanyinjiao (SP 6), etc. Corresponding back-shu points, xi-cleft points and ashi points were selected additionally according to primary viscera and pain sites in the observation group. The treatment was given once a day for 2 weeks. Symptomatic and supportive treatment were implanted, and no other antalgic measures were given during the trial. The daily dosage of opioid drug and the adverse reactions were recorded in both groups. Karnofsky performance status (KPS) and quality of life (QOL) scale scores were compared before and after treatment. Numerical rating sccancer patients, reduce the dosage of opioid drugs and adverse reactions rate.OBJECTIVE To evaluate the therapeutic effect on post-stroke strephenopodia treated with jiaotong qiaomai (harmonizing the heel vessel) needling technique of acupuncture. METHODS A total of 64 patients were randomized into an observation group (30 cases included, 2 cases dropped off) and a control group (30 cases included, 2 cases dropped off). In the control group, the routine needling technique of acupuncture and rehabilitation exercise were provided. In the observation group, on the base of the therapeutic regimen as the control group, the jiaotong qiaomai needling technique of acupuncture was added. Fengchi (GB 20), Rangu (KI 2), Zhaohai (KI 6) on the affected side and Fengfu (GV 16) were selected. The treatment was given once daily, 5 times a week, for 4 weeks totally in either group. https://www.selleckchem.com/EGFR(HER).html Separately, before treatment, in 2 weeks and 4 weeks of treatment, the strephenopodia angle was measured and Holden functional ambulation classification (FAC) was evaluated in the patients. Additionally, before treatment and in 4 weeks of treatment, the muscle-skeleton ultrasound was adopted to measure the thickness of anterior tibia muscle and posterior tibia muscle in the resting state of the patients. RESULTS The strephenopodia angle and Holden FAC were all improved after 4-week treatment in the two groups as compared with those before treatment (P0.05), and the thickness on the affected side in the observation group was higher than that in the control group after treatment (P less then 0.05). CONCLUSION The jiaotong qiaomai needling technique of acupuncture effectively improves the strephenopodia angle and ambulation function, as well as the morphology of anterior tibia muscle and posterior tibia muscle in the patients with post-stroke strephenopodia.OBJECTIVE To compare the clinical effect between Stiletto needle combined with massotherapy and articular injection of sodium hyaluronate for pain in patients with knee osteoarthritis (KOA). METHODS A total of 156 patients with KOA were randomly divided into an observation group and a control group, 78 cases in each group. The patients in the observation group were treated with Stiletto needle (once a week) combined with massotherapy (twice a week); the patients in the control group were treated with articular injection of sodium hyaluronate (once a week). The treatment period were 5 weeks in total. The visual analogue scale (VAS) score, local tenderness value, knee joint activity and Lysholm knee joint score were recorded before treatment, 3 weeks and 5 weeks of treatment. RESULTS Compared before treatment, the VAS score, local tenderness value, knee joint activity and Lysholm knee joint score in the two groups were improved 5 weeks of treatment (P less then 0.05). After 5 weeks of treatment, The local tenderness value and Lysholm knee joint score in the observation group were significantly improved compared with the control group (P less then 0.05), but the knee joint activity in the control group was superior to that in the observation group (P less then 0.05). CONCLUSION The Stiletto needle combined with massotherapy are superior to articular injection of sodium hyaluronate in relieving pain and improving knee joint function in patients with early-to-moderate KOA, but its effect on joint activity is inferior to sodium hyaluronate.OBJECTIVE To observe the effect of transcutaneous electrical acupoint stimulation (TEAS) on postoperative olfactory memory disorder in patients with general anesthesia of sevoflurane and to explore its possible mechanism. METHODS Forty patients who were scheduled to have gynecological and urological procedures under general anesthesia were randomly divided into an observation group and a control group, 20 cases in each group. The patients in the observation group were treated with TEAS (dilatational wave, 2 Hz/100 Hz) at Yingxiang (LI 20) and Yintang (GV 29) 10 min before anesthesia induction until the end of operation; the patients in the control group received general anesthesia directly. The changes of mean arterial pressure (MAP), heart rate (HR) and blood oxygen saturation (SpO2) were recorded before treatment, 30 min after operation and at the end of operation; smell identification score was measured by Connecticut Chemosensory Clinical Research Center (CCCRC) olfactory test before treatment (T0) and when Aldrete recovery score reached 10 points at the end of anesthesia (T1); the concentration of melatonin in plasma was measured by ELISA method in the two groups.
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  • BACKGROUND The infectious complications in hemodialysis patients are still among the main reasons for their increased morbidity and mortality. The possible reasons behind this might be due to impairments in the host defense mechanisms, comorbidities, invasive procedures and pathogenicity of the infecting organisms. With the increased incidence of bacteremia in hemodialysis patients and the overt use of antibiotics, we have witnessed a rise in the number of new multidrug resistant (MDR) strains in those patients. AIM We aim to determine the epidemiology, risk factors and complications of infections in patients receiving chronic hemodialysis, particularly bloodstream infections. METHODS This is a retrospective case-control study involving patients undergoing hemodialysis at a tertiary care center. We studied the prevalence of infectious complications among those patients as well as the responsible agent in each respective infectious episode and the risk factors associated with bacteremia. FINDINGS 46.6% of the studied population had at least one documented episode of infection. The most common were blood and respiratory infections (33.2% and 32.7% respectively). Among patients with bacteremia, coagulase-negative Staphylococcus was the predominant pathogen (49% of cases), followed by Staphylococcus aureus and Escherichia coli. Mortality was higher in patients who had MDR bacteremia, and in those who had mechanical ventilation or intensive care unit (ICU) admission. CONCLUSION Due to the alarming increase in the incidence of infection among hemodialysis patients and its strong association with mortality, further studies are needed to look for risk factors associated with infection and for ways to control those risk factors. BACKGROUND Limited data currently exist on the incidence of Clostridioides difficile infection (CDI) in Saudi Arabia. Compliance with CDI treatment guidelines is prudent for proper management of the infection and preventing recurrence. METHODS This was an epidemiologic and retrospective cohort study to find the 10-year cumulative incidence of CDI (December 2007-January 2018) among patients presented with diarrhea or experienced diarrhea during hospitalization and the correlation between clinical outcomes and the compliance of treatment regimens with pertinent global guidelines (IDSA/SHEA, ACG, and ESCMID guidelines). RESULTS At our institution, the 10-year CDI cumulative incidence was 8.4%. A total of 170 patients were included in the analysis of compliance with the guidelines and clinical outcomes. Most patients had non-severe CDI according to all three guidelines. Clinical cure was found in 76.5% of the cases although all-cause mortality rate was 28.2%. Median (IQR) hospitalization period was 11 (5-29) days. Compliance with all three guidelines was significantly associated with clinical cure (R=0.24-0.27; P≤0.002). Lower mortality also significantly correlated with compliance with IDSA and ACG guidelines (P≤0.03), but not with ESCMID guidelines (P=0.05). While compliance with all three guidelines was associated with lower risk of recurrence, this finding was not statistically significant. CONCLUSION CDI rates reported in this study were very low reflecting a low incidence at our institution. As guidelines were prepared by a panel of experts using most reliable evidence, results shown in this study indicate the importance of following guidelines recommendations for better patient outcomes. INTRODUCTION Persons with intellectual disabilities (ID) often have complex health needs due to the development of multiple comorbidities. Given the higher associated use of problematic medications, such as antipsychotics, and polypharmacy, persons with ID may be particularly vulnerable to adverse side effects. https://www.selleckchem.com/GSK-3.html With their medication expertise, pharmacists have the potential to address medication related challenges experienced by this population. OBJECTIVE Explore what is known about the care pharmacists provide to persons with ID. DESIGN Following Arksey and O'Malley's 5-stage framework for scoping reviews, searches of the PubMed (MEDLINE), Ovid EMBASE, Ovid International Pharmaceutical Abstracts, Scopus and APA PsycINFO databases were conducted in January 2019 with no limits on publication date. Studies of participants diagnosed with ID or healthcare providers/caregivers of persons with ID that referenced a pharmacist care intervention were included. Studies with non-human populations and editorials, commentdevelopment of a comprehensive evidence base regarding pharmacist involvement for medication challenges in persons with ID. BACKGROUND In advanced epidermal growth factor receptor (EGFR)-mutated non-small-cell lung cancer (NSCLC) patients whose disease has progressed during treatment with first- and second-generation tyrosine kinase inhibitors (TKIs), liquid biopsy (LB) is routinely used to evaluate the presence of EGFR T790M as an acquired resistance mechanism. The objective of this study was to assess a real-life picture of EGFR T790M detection in LB. MATERIALS AND METHODS Liquid biopsies performed between June 2016 and October 2018 for advanced EGFR-mutated NSCLC at disease progression during treatment with first- and second-generation TKIs were retrospectively evaluated in 5 Italian centers. Circulating tumor DNA was extracted from plasma and tested with different commercial kits. The detection rate in LBs and the patients' characteristics were correlated. RESULTS We enrolled 120 consecutive patients. The overall T790M detection rate observed using LB was 25.8%. Fifty-four of 89 (60.7%) patients with negative LB results underwent tissue rebiopsy, and 56% were positive for T790M. The overall rate of T790M positivity in the study cohort was 49.2%. LB performed before formal tumor progression according to Response Evaluation Criteria In Solid Tumors criteria was negative for T790M in all patients (n = 21; P = .012). T790M positivity was statistically significantly higher in cases of disease progression at extrathoracic metastatic sites (P = .008) and, specifically, in the case of worsening bone disease (P = .003). CONCLUSION Our study shows that the detection of T790M-positive patients whose disease progressed during treatment with first- and second-generation TKIs in real life was according to the literature. However, this result was obtained with a specific clinical course (repeat LBs and tissue rebiopsy), thus implying the necessity for multidisciplinary management.
    BACKGROUND The infectious complications in hemodialysis patients are still among the main reasons for their increased morbidity and mortality. The possible reasons behind this might be due to impairments in the host defense mechanisms, comorbidities, invasive procedures and pathogenicity of the infecting organisms. With the increased incidence of bacteremia in hemodialysis patients and the overt use of antibiotics, we have witnessed a rise in the number of new multidrug resistant (MDR) strains in those patients. AIM We aim to determine the epidemiology, risk factors and complications of infections in patients receiving chronic hemodialysis, particularly bloodstream infections. METHODS This is a retrospective case-control study involving patients undergoing hemodialysis at a tertiary care center. We studied the prevalence of infectious complications among those patients as well as the responsible agent in each respective infectious episode and the risk factors associated with bacteremia. FINDINGS 46.6% of the studied population had at least one documented episode of infection. The most common were blood and respiratory infections (33.2% and 32.7% respectively). Among patients with bacteremia, coagulase-negative Staphylococcus was the predominant pathogen (49% of cases), followed by Staphylococcus aureus and Escherichia coli. Mortality was higher in patients who had MDR bacteremia, and in those who had mechanical ventilation or intensive care unit (ICU) admission. CONCLUSION Due to the alarming increase in the incidence of infection among hemodialysis patients and its strong association with mortality, further studies are needed to look for risk factors associated with infection and for ways to control those risk factors. BACKGROUND Limited data currently exist on the incidence of Clostridioides difficile infection (CDI) in Saudi Arabia. Compliance with CDI treatment guidelines is prudent for proper management of the infection and preventing recurrence. METHODS This was an epidemiologic and retrospective cohort study to find the 10-year cumulative incidence of CDI (December 2007-January 2018) among patients presented with diarrhea or experienced diarrhea during hospitalization and the correlation between clinical outcomes and the compliance of treatment regimens with pertinent global guidelines (IDSA/SHEA, ACG, and ESCMID guidelines). RESULTS At our institution, the 10-year CDI cumulative incidence was 8.4%. A total of 170 patients were included in the analysis of compliance with the guidelines and clinical outcomes. Most patients had non-severe CDI according to all three guidelines. Clinical cure was found in 76.5% of the cases although all-cause mortality rate was 28.2%. Median (IQR) hospitalization period was 11 (5-29) days. Compliance with all three guidelines was significantly associated with clinical cure (R=0.24-0.27; P≤0.002). Lower mortality also significantly correlated with compliance with IDSA and ACG guidelines (P≤0.03), but not with ESCMID guidelines (P=0.05). While compliance with all three guidelines was associated with lower risk of recurrence, this finding was not statistically significant. CONCLUSION CDI rates reported in this study were very low reflecting a low incidence at our institution. As guidelines were prepared by a panel of experts using most reliable evidence, results shown in this study indicate the importance of following guidelines recommendations for better patient outcomes. INTRODUCTION Persons with intellectual disabilities (ID) often have complex health needs due to the development of multiple comorbidities. Given the higher associated use of problematic medications, such as antipsychotics, and polypharmacy, persons with ID may be particularly vulnerable to adverse side effects. https://www.selleckchem.com/GSK-3.html With their medication expertise, pharmacists have the potential to address medication related challenges experienced by this population. OBJECTIVE Explore what is known about the care pharmacists provide to persons with ID. DESIGN Following Arksey and O'Malley's 5-stage framework for scoping reviews, searches of the PubMed (MEDLINE), Ovid EMBASE, Ovid International Pharmaceutical Abstracts, Scopus and APA PsycINFO databases were conducted in January 2019 with no limits on publication date. Studies of participants diagnosed with ID or healthcare providers/caregivers of persons with ID that referenced a pharmacist care intervention were included. Studies with non-human populations and editorials, commentdevelopment of a comprehensive evidence base regarding pharmacist involvement for medication challenges in persons with ID. BACKGROUND In advanced epidermal growth factor receptor (EGFR)-mutated non-small-cell lung cancer (NSCLC) patients whose disease has progressed during treatment with first- and second-generation tyrosine kinase inhibitors (TKIs), liquid biopsy (LB) is routinely used to evaluate the presence of EGFR T790M as an acquired resistance mechanism. The objective of this study was to assess a real-life picture of EGFR T790M detection in LB. MATERIALS AND METHODS Liquid biopsies performed between June 2016 and October 2018 for advanced EGFR-mutated NSCLC at disease progression during treatment with first- and second-generation TKIs were retrospectively evaluated in 5 Italian centers. Circulating tumor DNA was extracted from plasma and tested with different commercial kits. The detection rate in LBs and the patients' characteristics were correlated. RESULTS We enrolled 120 consecutive patients. The overall T790M detection rate observed using LB was 25.8%. Fifty-four of 89 (60.7%) patients with negative LB results underwent tissue rebiopsy, and 56% were positive for T790M. The overall rate of T790M positivity in the study cohort was 49.2%. LB performed before formal tumor progression according to Response Evaluation Criteria In Solid Tumors criteria was negative for T790M in all patients (n = 21; P = .012). T790M positivity was statistically significantly higher in cases of disease progression at extrathoracic metastatic sites (P = .008) and, specifically, in the case of worsening bone disease (P = .003). CONCLUSION Our study shows that the detection of T790M-positive patients whose disease progressed during treatment with first- and second-generation TKIs in real life was according to the literature. However, this result was obtained with a specific clinical course (repeat LBs and tissue rebiopsy), thus implying the necessity for multidisciplinary management.
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  • Bioshell calcium oxide (BiSCaO) possesses deodorizing properties and broad microbicidal activity. This study aimed to investigate the application of BiSCaO ointment for the prevention and treatment of infection in chronic wounds in healing-impaired patients, without delaying wound healing. The bactericidal activities of 0.04, 0.2, 1, and 5 wt% BiSCaO ointment, 3 wt% povidone iodine ointment, and control (ointment only) were compared to evaluate the in vivo disinfection and healing of Pseudomonas aeruginosa-infected wounds in hairless rats. Treatment of the infected wounds with 0.2 wt% BiSCaO ointment daily for 3 days significantly enhanced wound healing and reduced the in vivo bacterial counts compared with povidone iodine ointment and control (no wound cleaning). Although 5 wt% BiSCaO ointment provided the lowest bacterial counts during 3 days' treatment, it delayed wound healing. Histological examinations showed significantly advanced granulation tissue and capillary formation in wounds treated with 0.2 wt% BiSCaO ointment for 3 days compared to wounds treated with the other ointments. This study suggested that using 0.2 wt% BiSCaO ointment as a disinfectant for infected wounds and limiting disinfection to 3 days may be sufficient to avoid the negative effects of BiSCaO on wound repair.The physiological process of muscle regeneration is quite limited due to low satellite cell quantity and also the inability to regenerate and reconstruct niche tissue. The purpose of the study was to examine whether a graphene oxide scaffold is able to stimulate myogenic progenitor cell proliferation and the endocrine functions of differentiating cells, and therefore, their active participation in the construction of muscle tissue. Studies were carried out using mesenchymal cells taken from 6-day-old chicken embryos and human umbilical vein endothelial cells (HUVEC) were used to assess angiogenesis. The graphene scaffold was readily colonized by myogenic progenitor cells and the cells dissected from heart, brain, eye, and blood vessels did not avoid the scaffold. The scaffold strongly induced myogenic progenitor cell signaling pathways and simultaneously activated proangiogenic signaling pathways via exocrine vascular endothelial growth factor (VEGF) secretion. https://www.selleckchem.com/pharmacological_epigenetics.html The present study revealed that the graphene oxide (GO) scaffold initiates the processes of muscle cell differentiation due to mechanical interaction with myogenic progenitor cell.While the role of hypoxia and the induction of the hypoxia inducible factors (HIFs) and the unfolded protein response (UPR) pathways in the cancer microenvironment are well characterized, their roles and relationship in normal human endothelium are less clear. Here, we examined the effects of IRE1 on HIF-1α protein levels during hypoxia in primary human umbilical vein endothelial cells (HUVECs). The results demonstrated that HIF-1α levels peaked at 6 h of hypoxia along with two of their target genes, GLUT1 and VEGFA, whereas at up to 12 h of hypoxia the mRNA levels of markers of the UPR, IRE1, XBP1s, BiP, and CHOP, did not increase, suggesting that the UPR was not activated. Interestingly, the siRNA knockdown of IRE1 or inhibition of IRE1 endonuclease activity with 4µ8C during hypoxia significantly reduced HIF-1α protein without affecting HIF1A mRNA expression. The inhibition of the endonuclease activity with 4µ8C in two other primary endothelial cells during hypoxia, human cardiac microvascular endothelial cells and human aortic endothelial cells showed the same reduction in the HIF-1α protein. Surprisingly, the siRNA knockdown of XBP1s during hypoxia did not decrease the HIF1α protein levels, indicating that the IRE1-mediated effect on stabilizing the HIF1α protein levels was XBP1s-independent. The studies presented here, therefore, provide evidence that IRE1 activity during hypoxia increases the protein levels of HIF1α in an XBP1s-independent manner.Exclusion nets are increasingly being used to protect a variety of agricultural crops from insect pests as a sustainable alternative to chemical controls. We examined the efficacy of exclusion nets in controlling the world's most damaging insect pest of coffee, Hypothenemus hampei (coffee berry borer), on two small-scale coffee farms on Hawai'i Island. We recorded microclimate data, fruit infestation, population per fruit, sex ratio, mortality by Beauveria bassiana, coffee yield and quality in four paired exclusion and control (un-netted) plots on both farms. Mean and maximum daily temperature and relative humidity were similar between treatments, while mean and maximum daily solar radiation was reduced by ~50% in exclusion plots. Green and ripe fruit from exclusion plots had significantly lower infestation compared to un-netted control plots at both farms. We observed no significant difference between exclusion and control plots in the number of CBB per fruit or the femalemale sex ratio. CBB mortality was significantly higher in control relative to exclusion plots in one of the two farms. Ripe fruits harvested from exclusion plots were on average significantly heavier and wider than those from control plots; however, there was no significant difference in the average yield per tree between treatments. Lastly, coffee quality was not significantly different between control and exclusion plots. Our results suggest that with complete sanitation prior to net installation in an environment where CBB is actively circulating, exclusion netting can successfully control CBB on small-scale coffee farms without reducing coffee yield or quality, and has the potential to lower production and labor costs by eliminating the need to spray pesticides.In kidney transplant recipients (KTRs), uraemia-induced central nervous system damage partly subsides, while the long-lasting exposure to tacrolimus may cause pathologic visual evoked potentials (VEP) findings, which have not been investigated yet. Thus, the aim of the present study was to assess the effect of tacrolimus maintenance treatment on bioelectrical function of optic nerves in stable KTRs. Sixty-five stable KTRs were enrolled, including 30 patients treated with twice-daily (Prograf) and 35 patients treated with prolonged once-daily (Advagraf) tacrolimus formulation. In all patients, pattern and flash VEP measurements were performed. Tacrolimus dosing and exposure were also analyzed. Overall, 129 eyes were analyzed. In pattern VEP, both (1°) and (15') latencies of P100 waves were significantly longer, whereas (1°) and (15') amplitudes were lower in the Advagraf group as compared with the Prograf group. Multivariate regression analyses revealed that the use of Advagraf (vs. Prograf) was independently associated with longer (1°) and (15') P100 latencies and lower corresponding amplitudes, whereas log tacrolimus daily dose was only related to amplitudes in a whole study group.
    Bioshell calcium oxide (BiSCaO) possesses deodorizing properties and broad microbicidal activity. This study aimed to investigate the application of BiSCaO ointment for the prevention and treatment of infection in chronic wounds in healing-impaired patients, without delaying wound healing. The bactericidal activities of 0.04, 0.2, 1, and 5 wt% BiSCaO ointment, 3 wt% povidone iodine ointment, and control (ointment only) were compared to evaluate the in vivo disinfection and healing of Pseudomonas aeruginosa-infected wounds in hairless rats. Treatment of the infected wounds with 0.2 wt% BiSCaO ointment daily for 3 days significantly enhanced wound healing and reduced the in vivo bacterial counts compared with povidone iodine ointment and control (no wound cleaning). Although 5 wt% BiSCaO ointment provided the lowest bacterial counts during 3 days' treatment, it delayed wound healing. Histological examinations showed significantly advanced granulation tissue and capillary formation in wounds treated with 0.2 wt% BiSCaO ointment for 3 days compared to wounds treated with the other ointments. This study suggested that using 0.2 wt% BiSCaO ointment as a disinfectant for infected wounds and limiting disinfection to 3 days may be sufficient to avoid the negative effects of BiSCaO on wound repair.The physiological process of muscle regeneration is quite limited due to low satellite cell quantity and also the inability to regenerate and reconstruct niche tissue. The purpose of the study was to examine whether a graphene oxide scaffold is able to stimulate myogenic progenitor cell proliferation and the endocrine functions of differentiating cells, and therefore, their active participation in the construction of muscle tissue. Studies were carried out using mesenchymal cells taken from 6-day-old chicken embryos and human umbilical vein endothelial cells (HUVEC) were used to assess angiogenesis. The graphene scaffold was readily colonized by myogenic progenitor cells and the cells dissected from heart, brain, eye, and blood vessels did not avoid the scaffold. The scaffold strongly induced myogenic progenitor cell signaling pathways and simultaneously activated proangiogenic signaling pathways via exocrine vascular endothelial growth factor (VEGF) secretion. https://www.selleckchem.com/pharmacological_epigenetics.html The present study revealed that the graphene oxide (GO) scaffold initiates the processes of muscle cell differentiation due to mechanical interaction with myogenic progenitor cell.While the role of hypoxia and the induction of the hypoxia inducible factors (HIFs) and the unfolded protein response (UPR) pathways in the cancer microenvironment are well characterized, their roles and relationship in normal human endothelium are less clear. Here, we examined the effects of IRE1 on HIF-1α protein levels during hypoxia in primary human umbilical vein endothelial cells (HUVECs). The results demonstrated that HIF-1α levels peaked at 6 h of hypoxia along with two of their target genes, GLUT1 and VEGFA, whereas at up to 12 h of hypoxia the mRNA levels of markers of the UPR, IRE1, XBP1s, BiP, and CHOP, did not increase, suggesting that the UPR was not activated. Interestingly, the siRNA knockdown of IRE1 or inhibition of IRE1 endonuclease activity with 4µ8C during hypoxia significantly reduced HIF-1α protein without affecting HIF1A mRNA expression. The inhibition of the endonuclease activity with 4µ8C in two other primary endothelial cells during hypoxia, human cardiac microvascular endothelial cells and human aortic endothelial cells showed the same reduction in the HIF-1α protein. Surprisingly, the siRNA knockdown of XBP1s during hypoxia did not decrease the HIF1α protein levels, indicating that the IRE1-mediated effect on stabilizing the HIF1α protein levels was XBP1s-independent. The studies presented here, therefore, provide evidence that IRE1 activity during hypoxia increases the protein levels of HIF1α in an XBP1s-independent manner.Exclusion nets are increasingly being used to protect a variety of agricultural crops from insect pests as a sustainable alternative to chemical controls. We examined the efficacy of exclusion nets in controlling the world's most damaging insect pest of coffee, Hypothenemus hampei (coffee berry borer), on two small-scale coffee farms on Hawai'i Island. We recorded microclimate data, fruit infestation, population per fruit, sex ratio, mortality by Beauveria bassiana, coffee yield and quality in four paired exclusion and control (un-netted) plots on both farms. Mean and maximum daily temperature and relative humidity were similar between treatments, while mean and maximum daily solar radiation was reduced by ~50% in exclusion plots. Green and ripe fruit from exclusion plots had significantly lower infestation compared to un-netted control plots at both farms. We observed no significant difference between exclusion and control plots in the number of CBB per fruit or the femalemale sex ratio. CBB mortality was significantly higher in control relative to exclusion plots in one of the two farms. Ripe fruits harvested from exclusion plots were on average significantly heavier and wider than those from control plots; however, there was no significant difference in the average yield per tree between treatments. Lastly, coffee quality was not significantly different between control and exclusion plots. Our results suggest that with complete sanitation prior to net installation in an environment where CBB is actively circulating, exclusion netting can successfully control CBB on small-scale coffee farms without reducing coffee yield or quality, and has the potential to lower production and labor costs by eliminating the need to spray pesticides.In kidney transplant recipients (KTRs), uraemia-induced central nervous system damage partly subsides, while the long-lasting exposure to tacrolimus may cause pathologic visual evoked potentials (VEP) findings, which have not been investigated yet. Thus, the aim of the present study was to assess the effect of tacrolimus maintenance treatment on bioelectrical function of optic nerves in stable KTRs. Sixty-five stable KTRs were enrolled, including 30 patients treated with twice-daily (Prograf) and 35 patients treated with prolonged once-daily (Advagraf) tacrolimus formulation. In all patients, pattern and flash VEP measurements were performed. Tacrolimus dosing and exposure were also analyzed. Overall, 129 eyes were analyzed. In pattern VEP, both (1°) and (15') latencies of P100 waves were significantly longer, whereas (1°) and (15') amplitudes were lower in the Advagraf group as compared with the Prograf group. Multivariate regression analyses revealed that the use of Advagraf (vs. Prograf) was independently associated with longer (1°) and (15') P100 latencies and lower corresponding amplitudes, whereas log tacrolimus daily dose was only related to amplitudes in a whole study group.
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