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  • BACKGROUND/AIM A new bioceramic material iRoot BP Plus has been introduced and reported to have good biocompatibility, sealing ability and antibacterial activity. It has also been reported to be successfully used for procedures such as pulpotomy, pulp floor perforation repair and so on. However, there are only a few reports on the use of iRoot BP Plus in the management of traumatised teeth with an exposed pulp. The aim of this study was to investigate the clinical and radiographic outcomes of partial pulpotomy with iRoot BP Plus in immature permanent teeth with complicated crown fracture or complicated crown-root fracture. MATERIAL AND METHODS The study was prospectively designed and 110 immature permanent teeth with complicated crown fracture or complicated crown-root fracture were randomly allocated into two groups (n = 55). All teeth were clinically and radiographically assessed at 1, 3, 6, 12, 18 and 24 months after partial pulpotomy with iRoot BP Plus (experimental group, n=50) or calcium hydroxide (control group,n=49) as the pulp capping agent. Eleven cases were lost during follow-up, and 99 teeth were finally analysed. RESULTS There were no intergroup differences in the survival rate, survival time, root length and dentin wall thickness. The calcific bridge was significantly thinner in the iRoot BP Plus group than in the calcium hydroxide group (0.97±0.13mm vs. 1.36±0.12mm; F=5.128, P=0.029). CONCLUSIONS iRoot BP Plus may be an effective capping material for partial pulpotomy. This article is protected by copyright. All rights reserved.BACKGROUND Coeliac disease (CD) is a chronic, autoimmune disease that prevents individuals from processing gluten, leading to adverse health effects. People with CD should adhere to a gluten-free diet (GFD); however, adherence rates are well below optimal in adults with CD, ranging between 42% and 91%. To date, limited evidence is available on the nature and magnitude of factors that affect adherence to GFD. The present study aimed to develop a systematic review that critically appraises and synthesises evidence on facilitators and barriers that affect adherence to GFD among adults with CD. METHODS Four databases were searched (Ovid Medline, CINAHL, PsychInfo and Embase) using variant keywords to identify empirical studies meeting the inclusion/exclusion criteria. A coding scheme was developed to extract relevant information from each article. https://www.selleckchem.com/products/bx471.html RESULTS Forty articles were included. Grounded in the bioecological theory of development, we synthesised the facilitators and barriers in the literature into a social ecological model with multiple levels system, community, organisational, interpersonal and individual. The studies varied by design and level of evidence; only one randomised trial was identified. The most significant facilitators include (% of studies) increased education (22.5%); increased knowledge of a GFD (20%); increased intention/self-regulatory efficacy (17.5%); and coeliac association membership (12.5%). The most significant barriers include lower knowledge of CD (35%); restaurant/supermarket shopping (30%); poor patient education from practitioner (17.5%); and low intention/motivation to adhere to a GFD (17.5%). CONCLUSIONS Improving knowledge of a GFD, becoming a member of a coeliac association, and improving practitioners' abilities to educate patients on CD will create opportunities for improved adherence to GFD among adults with CD. © 2020 The British Dietetic Association Ltd.AIM The infection of Helicobacter pylori (H. pylori) has a close association with gastric ulcers and gastric adenocarcinoma. This study was designed to assess the efficacy and safety of quadruple regimen with amoxicillin plus berberine vs tetracycline plus furazolidone in H. pylori rescue treatment. METHODS We conducted a randomized, open-label, multicenter, noninferiority trial. Subjects with previous treatment failures recruited from 5 centers were randomized (11) to accept regimen with esomeprazole and bismuth plus either berberine and amoxicillin (BA group) or tetracycline and furazolidone (TF group) for 14 days. The H. pylori infection status was confirmed at 4-8 weeks after treatment. The eradication rate was the study's primary outcome and trial's secondary outcomes included the rates of symptom improvement, compliance and adverse events. This study was registered at ClinicalTrials.gov (NCT03609892). RESULTS 658 subjects were consecutively enrolled in total. ITT analysis demonstrated that the two therapies achieved a similar eradication rate (76.3% vs 77.5%; P = 0.781). PP analysis reached a similar result (81.5% vs 85%; P = 0.278). Difference in the eradication rate achieved by BA quadruple regimen was greater than the preestablished margin of noninferiority, at -10% (the lower bounds of the 95% CI were - 7.66% and - 9.43%, respectively). The rate of adverse events was lower for BA than TF therapy (18.5% vs 26.1%, P = 0.024). The rates of compliance and symptom improvement were similar for the two therapies. CONCLUSION The efficacies of the two regimens in rescue treatment were both not satisfactory, and two groups showed no significant difference. This article is protected by copyright. All rights reserved. This article is protected by copyright. All rights reserved.OBJECTIVES The aim of this anatomical study is to make quantitative comparison among three endoscopic approaches, encompassing contralateral endonasal transseptal transmaxillary transpterygoid approach (contralateral EEA), endoscopic sublabial transmaxillary transalisphenoid (Caldwell-Luc) approach, and endoscopic transorbital transmaxillary approach through inferior orbital fissure (ETOA), to the anterolateral skull base for assisting preoperative planning. DESIGN & PARTICIPANTS Anatomical dissections were performed in four adult cadaveric heads bilaterally using three endoscopic transmaxillary approaches described above. SETTING Skull Base Laboratory at the National Defense Medical Center. MAIN OUTCOME MEASURES The area of exposure, angles of attack, and depth of surgical corridor of each approach were measured and obtained for statistical comparison. RESULTS The ETOA had significantly larger exposure over middle cranial fossa (731.40 ± 80.08 mm2 ) than contralateral EEA (266.60 ± 46.74 mm2 ) and Caldwell-Luc approach (468.
    BACKGROUND/AIM A new bioceramic material iRoot BP Plus has been introduced and reported to have good biocompatibility, sealing ability and antibacterial activity. It has also been reported to be successfully used for procedures such as pulpotomy, pulp floor perforation repair and so on. However, there are only a few reports on the use of iRoot BP Plus in the management of traumatised teeth with an exposed pulp. The aim of this study was to investigate the clinical and radiographic outcomes of partial pulpotomy with iRoot BP Plus in immature permanent teeth with complicated crown fracture or complicated crown-root fracture. MATERIAL AND METHODS The study was prospectively designed and 110 immature permanent teeth with complicated crown fracture or complicated crown-root fracture were randomly allocated into two groups (n = 55). All teeth were clinically and radiographically assessed at 1, 3, 6, 12, 18 and 24 months after partial pulpotomy with iRoot BP Plus (experimental group, n=50) or calcium hydroxide (control group,n=49) as the pulp capping agent. Eleven cases were lost during follow-up, and 99 teeth were finally analysed. RESULTS There were no intergroup differences in the survival rate, survival time, root length and dentin wall thickness. The calcific bridge was significantly thinner in the iRoot BP Plus group than in the calcium hydroxide group (0.97±0.13mm vs. 1.36±0.12mm; F=5.128, P=0.029). CONCLUSIONS iRoot BP Plus may be an effective capping material for partial pulpotomy. This article is protected by copyright. All rights reserved.BACKGROUND Coeliac disease (CD) is a chronic, autoimmune disease that prevents individuals from processing gluten, leading to adverse health effects. People with CD should adhere to a gluten-free diet (GFD); however, adherence rates are well below optimal in adults with CD, ranging between 42% and 91%. To date, limited evidence is available on the nature and magnitude of factors that affect adherence to GFD. The present study aimed to develop a systematic review that critically appraises and synthesises evidence on facilitators and barriers that affect adherence to GFD among adults with CD. METHODS Four databases were searched (Ovid Medline, CINAHL, PsychInfo and Embase) using variant keywords to identify empirical studies meeting the inclusion/exclusion criteria. A coding scheme was developed to extract relevant information from each article. https://www.selleckchem.com/products/bx471.html RESULTS Forty articles were included. Grounded in the bioecological theory of development, we synthesised the facilitators and barriers in the literature into a social ecological model with multiple levels system, community, organisational, interpersonal and individual. The studies varied by design and level of evidence; only one randomised trial was identified. The most significant facilitators include (% of studies) increased education (22.5%); increased knowledge of a GFD (20%); increased intention/self-regulatory efficacy (17.5%); and coeliac association membership (12.5%). The most significant barriers include lower knowledge of CD (35%); restaurant/supermarket shopping (30%); poor patient education from practitioner (17.5%); and low intention/motivation to adhere to a GFD (17.5%). CONCLUSIONS Improving knowledge of a GFD, becoming a member of a coeliac association, and improving practitioners' abilities to educate patients on CD will create opportunities for improved adherence to GFD among adults with CD. © 2020 The British Dietetic Association Ltd.AIM The infection of Helicobacter pylori (H. pylori) has a close association with gastric ulcers and gastric adenocarcinoma. This study was designed to assess the efficacy and safety of quadruple regimen with amoxicillin plus berberine vs tetracycline plus furazolidone in H. pylori rescue treatment. METHODS We conducted a randomized, open-label, multicenter, noninferiority trial. Subjects with previous treatment failures recruited from 5 centers were randomized (11) to accept regimen with esomeprazole and bismuth plus either berberine and amoxicillin (BA group) or tetracycline and furazolidone (TF group) for 14 days. The H. pylori infection status was confirmed at 4-8 weeks after treatment. The eradication rate was the study's primary outcome and trial's secondary outcomes included the rates of symptom improvement, compliance and adverse events. This study was registered at ClinicalTrials.gov (NCT03609892). RESULTS 658 subjects were consecutively enrolled in total. ITT analysis demonstrated that the two therapies achieved a similar eradication rate (76.3% vs 77.5%; P = 0.781). PP analysis reached a similar result (81.5% vs 85%; P = 0.278). Difference in the eradication rate achieved by BA quadruple regimen was greater than the preestablished margin of noninferiority, at -10% (the lower bounds of the 95% CI were - 7.66% and - 9.43%, respectively). The rate of adverse events was lower for BA than TF therapy (18.5% vs 26.1%, P = 0.024). The rates of compliance and symptom improvement were similar for the two therapies. CONCLUSION The efficacies of the two regimens in rescue treatment were both not satisfactory, and two groups showed no significant difference. This article is protected by copyright. All rights reserved. This article is protected by copyright. All rights reserved.OBJECTIVES The aim of this anatomical study is to make quantitative comparison among three endoscopic approaches, encompassing contralateral endonasal transseptal transmaxillary transpterygoid approach (contralateral EEA), endoscopic sublabial transmaxillary transalisphenoid (Caldwell-Luc) approach, and endoscopic transorbital transmaxillary approach through inferior orbital fissure (ETOA), to the anterolateral skull base for assisting preoperative planning. DESIGN & PARTICIPANTS Anatomical dissections were performed in four adult cadaveric heads bilaterally using three endoscopic transmaxillary approaches described above. SETTING Skull Base Laboratory at the National Defense Medical Center. MAIN OUTCOME MEASURES The area of exposure, angles of attack, and depth of surgical corridor of each approach were measured and obtained for statistical comparison. RESULTS The ETOA had significantly larger exposure over middle cranial fossa (731.40 ± 80.08 mm2 ) than contralateral EEA (266.60 ± 46.74 mm2 ) and Caldwell-Luc approach (468.
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  • To minimize the incidence and mortality of cancer, dye trace method was used to explore the mechanism of drug inhibition. 60 **** were selected as the research objects and randomly divided into five groups model group, shikonin group, aconitine group, notoginsenoside R1 group, and compound group. When establishing the model, begin to administrate the medicine by gavage. The permeability of lung barrier was measured, and H.E staining, immunohistochemical staining, and Western blot test were carried out. The results showed that the **** in model group had decreased autonomic activity, increased permeability of the lung barrier, white nodules on the lung tissue, decreased protein expression related to cell proliferation and differentiation, and decreased protein expression associated with cell proliferation and differentiation, increased expression of related proteins in cancer stem cells, and low level of cell-linked communication. And the incidence of lung cancer in the model group **** was 100%. https://www.selleckchem.com/products/glutathione.html The histopathological changes in **** were improved to varying degrees after the intervention of the three drugs. Especially in the compound group, the incidence of lung cancer decreased to 8.3%. This study demonstrated that the combination of shikonin, aconitine and notoginsenoside R1 had a good anti-cancer effect, which provided a theoretical basis for clinical research. © 2020 The Authors.Prostate cancer (PCa) has a variable biological potential. It constitutes the second most common cancer amongst men worldwide and the fifth most common cancer in Saudi Arabia. Identifying men at higher risk of developing PCa, differentiating indolent from aggressive disease and predicting the likelihood of progression will improve decision-making and selection for active surveillance protocols. Biomarkers have been utilized for PCa screening and predicting cancer behavior and response to treatment. The prostate specific antigen (PSA) screening helps detect PCa in early stages, while implementing a plan for management and outcome. However, PSA screening is still controversial, due to the risks of over diagnosis and treatment, and its inability to detect a good proportion of advanced tumors. Alternatively, a new era of PCa biomarkers has emerged with higher PCa specificity than PSA and its isoforms hopefully improving screening methods, such as Prostate Health Index (PHI) score, Progensa Prostate Cancer Antigen 3 (PCA3), Mi-Prostate Score (MiPS), Prostate Stem Cell Antigen (PSCA), 4Kscore test, and Urokinase Plasminogen Activation (uPA and uPAR). Few novel biomarkers have shown promise in preliminary results. This review will display promising biomarkers including some important FDA approved ones, highlighting their clinical implication and future place in the PCa puzzle, along with addressing their current limitations. © 2020 The Author(s).Discovery of potential bioactive metabolites from sponge-associated bacteria have gained attraction in recent years. The current study explores the potential of sponge (Suberea mollis) associated bacteria against bacterial and fungal pathogens. Sponge samples were collected from Red sea in Obhur region, Jeddah, Saudi Arabia. Of 29 isolated bacteria belong to four different classes i.e. Firmicutes (62%), γ-Proteobacteria (21%), α-Proteobacteria (10%) and Actinobacteria (7%). Among them nineteen (65%) bacterial strains showed antagonistic activity against oomycetes and only 3 (10%) bacterial strains were active against human pathogenic bacteria tested. Most bioactive genera include Bacillus (55%), Pseudovibrio (13%) and Ruegeria (10%). Enzyme production (protease, lipase, amylase, cellualse) was identified in 12 (41%) bacterial strains where potential strains belonging to γ-Proteobacteria and Firmicutes groups. Production of antimicrobial metabolites and hydrolysates in these bacteria suggest their potential role in sponge against pathogens. Further bioactive metabolites from selected strain of Vibrio sp. EA348 were identified using LC-MS and GC-MS analyses. We identified many active metabolites including antibiotics such as Amifloxacin and fosfomycin. Plant growth hormones including Indoleacetic acid and Gibberellin A3 and volatile organic compound such as methyl jasmonate were also detected in this strain. Our results highlighted the importance of marine bacteria inhabiting sponges as potential source of antimicrobial compounds and plant growth hormones of pharmaceutical and agricultural significance. © 2020 The Authors.The ZnO particle with varieties of morphology was prepared from ice-cube of zinc ammonium complex at boiling water surface in 1 min induction of thermal shock. The zinc ammonium complex in ice cube was developed using zinc acetate and biologically activated ammonia in 1 hr and kept in the freezer. Temperature gradient behaviour of the water medium during thermal shock was captured by the thermal camera and thermometer. Morphology study revealed a variety of flower-like ZnO particles with variable size from 1.0 to 2.5 μm. Further, ZnO particle morphologies were tuned by adding trisodium citrate and hexamine to obtain uniform spherical (2-3 μm) and flower (3-4 μm) shapes, respectively. XRD patterns revealed that all ZnO samples are of a hexagonal structure. Photocatalytic inactivation of E. coli has been investigated using various particle morphologies of ZnO in an aqueous solution/overcoated glass slide under sunlight. The photo-inactivation of E. coli by ZnO particles in suspension condition was better when compared to a coated glass slide method. AFM study confirmed the destruction of bacterial cell wall membrane by the photocatalytic effect. The particles morphology of photocatalyst is well dependent on antibacterial activity under sunlight. © 2020 The Author(s).The phenomenal increase in the demand of herbal drugs, leads to over exploitation of medicinal plants which ultimately resulted in the scarcity and endangerment of many valuable plant species. On observing the difficulties in procuring genuine herbal drugs arose the concept of substitution which was documented in many classical Ayurvedic texts. The present study made a comparative evaluation of the gastroprotective potential of hydroalcoholic extracts of an original drug Aconitum heterophyllum (HAAH) and its substitute Cyperus rotundus (HACR) in the treatment of gastric ulcer under in vivo experimental conditions. The anti-ulcer property of the plant extracts was investigated against pylorus ligation induced ulcer in Wistar albino rats. The results confirmed that both A. heterophyllum and C. rotundus deliver comparable significant protection against gastric ulcer, indicated by a decrease in the free and total acidity, volume of gastric content, total proteins and increase in pH of gastric content, total carbohydrates and total carbohydrates to total proteins ratio.
    To minimize the incidence and mortality of cancer, dye trace method was used to explore the mechanism of drug inhibition. 60 mice were selected as the research objects and randomly divided into five groups model group, shikonin group, aconitine group, notoginsenoside R1 group, and compound group. When establishing the model, begin to administrate the medicine by gavage. The permeability of lung barrier was measured, and H.E staining, immunohistochemical staining, and Western blot test were carried out. The results showed that the mice in model group had decreased autonomic activity, increased permeability of the lung barrier, white nodules on the lung tissue, decreased protein expression related to cell proliferation and differentiation, and decreased protein expression associated with cell proliferation and differentiation, increased expression of related proteins in cancer stem cells, and low level of cell-linked communication. And the incidence of lung cancer in the model group mice was 100%. https://www.selleckchem.com/products/glutathione.html The histopathological changes in mice were improved to varying degrees after the intervention of the three drugs. Especially in the compound group, the incidence of lung cancer decreased to 8.3%. This study demonstrated that the combination of shikonin, aconitine and notoginsenoside R1 had a good anti-cancer effect, which provided a theoretical basis for clinical research. © 2020 The Authors.Prostate cancer (PCa) has a variable biological potential. It constitutes the second most common cancer amongst men worldwide and the fifth most common cancer in Saudi Arabia. Identifying men at higher risk of developing PCa, differentiating indolent from aggressive disease and predicting the likelihood of progression will improve decision-making and selection for active surveillance protocols. Biomarkers have been utilized for PCa screening and predicting cancer behavior and response to treatment. The prostate specific antigen (PSA) screening helps detect PCa in early stages, while implementing a plan for management and outcome. However, PSA screening is still controversial, due to the risks of over diagnosis and treatment, and its inability to detect a good proportion of advanced tumors. Alternatively, a new era of PCa biomarkers has emerged with higher PCa specificity than PSA and its isoforms hopefully improving screening methods, such as Prostate Health Index (PHI) score, Progensa Prostate Cancer Antigen 3 (PCA3), Mi-Prostate Score (MiPS), Prostate Stem Cell Antigen (PSCA), 4Kscore test, and Urokinase Plasminogen Activation (uPA and uPAR). Few novel biomarkers have shown promise in preliminary results. This review will display promising biomarkers including some important FDA approved ones, highlighting their clinical implication and future place in the PCa puzzle, along with addressing their current limitations. © 2020 The Author(s).Discovery of potential bioactive metabolites from sponge-associated bacteria have gained attraction in recent years. The current study explores the potential of sponge (Suberea mollis) associated bacteria against bacterial and fungal pathogens. Sponge samples were collected from Red sea in Obhur region, Jeddah, Saudi Arabia. Of 29 isolated bacteria belong to four different classes i.e. Firmicutes (62%), γ-Proteobacteria (21%), α-Proteobacteria (10%) and Actinobacteria (7%). Among them nineteen (65%) bacterial strains showed antagonistic activity against oomycetes and only 3 (10%) bacterial strains were active against human pathogenic bacteria tested. Most bioactive genera include Bacillus (55%), Pseudovibrio (13%) and Ruegeria (10%). Enzyme production (protease, lipase, amylase, cellualse) was identified in 12 (41%) bacterial strains where potential strains belonging to γ-Proteobacteria and Firmicutes groups. Production of antimicrobial metabolites and hydrolysates in these bacteria suggest their potential role in sponge against pathogens. Further bioactive metabolites from selected strain of Vibrio sp. EA348 were identified using LC-MS and GC-MS analyses. We identified many active metabolites including antibiotics such as Amifloxacin and fosfomycin. Plant growth hormones including Indoleacetic acid and Gibberellin A3 and volatile organic compound such as methyl jasmonate were also detected in this strain. Our results highlighted the importance of marine bacteria inhabiting sponges as potential source of antimicrobial compounds and plant growth hormones of pharmaceutical and agricultural significance. © 2020 The Authors.The ZnO particle with varieties of morphology was prepared from ice-cube of zinc ammonium complex at boiling water surface in 1 min induction of thermal shock. The zinc ammonium complex in ice cube was developed using zinc acetate and biologically activated ammonia in 1 hr and kept in the freezer. Temperature gradient behaviour of the water medium during thermal shock was captured by the thermal camera and thermometer. Morphology study revealed a variety of flower-like ZnO particles with variable size from 1.0 to 2.5 μm. Further, ZnO particle morphologies were tuned by adding trisodium citrate and hexamine to obtain uniform spherical (2-3 μm) and flower (3-4 μm) shapes, respectively. XRD patterns revealed that all ZnO samples are of a hexagonal structure. Photocatalytic inactivation of E. coli has been investigated using various particle morphologies of ZnO in an aqueous solution/overcoated glass slide under sunlight. The photo-inactivation of E. coli by ZnO particles in suspension condition was better when compared to a coated glass slide method. AFM study confirmed the destruction of bacterial cell wall membrane by the photocatalytic effect. The particles morphology of photocatalyst is well dependent on antibacterial activity under sunlight. © 2020 The Author(s).The phenomenal increase in the demand of herbal drugs, leads to over exploitation of medicinal plants which ultimately resulted in the scarcity and endangerment of many valuable plant species. On observing the difficulties in procuring genuine herbal drugs arose the concept of substitution which was documented in many classical Ayurvedic texts. The present study made a comparative evaluation of the gastroprotective potential of hydroalcoholic extracts of an original drug Aconitum heterophyllum (HAAH) and its substitute Cyperus rotundus (HACR) in the treatment of gastric ulcer under in vivo experimental conditions. The anti-ulcer property of the plant extracts was investigated against pylorus ligation induced ulcer in Wistar albino rats. The results confirmed that both A. heterophyllum and C. rotundus deliver comparable significant protection against gastric ulcer, indicated by a decrease in the free and total acidity, volume of gastric content, total proteins and increase in pH of gastric content, total carbohydrates and total carbohydrates to total proteins ratio.
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  • Increased hepatic sympathetic tone and CD36 mRNA expression and reduced adiponectin levels underlie these diet-induced metabolic alterations in mutant females. The results indicate that α2δ-1 in VMH SF1 neurons critically regulates metabolic function through sexually dimorphic mechanisms. These findings are clinically relevant as metabolic alterations have been reported as a side effects in human patients prescribed gabapentinoid drugs, known to inhibit α2δ-1 function, for the treatment of seizure disorders, neuropathic pain and anxiety disorders. © Endocrine Society 2020. All rights reserved. For permissions, please e-mail journals.permissions@oup.com.The rising demand for helium resources makes the effective separation of helium from natural gas increasingly important in the cryogenics industry and welding technology. However, most commonly used membranes cannot efficiently separate helium from the small molecules in natural gas. In this work, using first-principles calculations, combined with molecular dynamics simulations, we showed that efficient separation of helium from natural gas molecules (H2O, CO2, CO, CH4, and N2) as well as noble gas molecules (Ne and Ar) can be achieved in an inorganic graphenylene (IGP) membrane with high selectivities. In particular, molecular dynamics simulations demonstrated that high helium permeance (approximately 10-4 mol m-2 s-1 Pa-1) can be achieved over a wide range of temperatures (100 to 500 K) with high selectivity over other gas molecules. The high permeance and selectivity of the IGP monolayer membrane to helium are quite promising for industrial applications.Ionic liquids and nanoscale membranes are both considered as promising functional components to design next-generation gas separation technologies. Herein, we combine free-standing carbon nanomembranes (CNMs) with [bmim][Tf2N] ionic liquid having affinity to carbon dioxide, and explore molecular permeation through such a composite membrane. Gas transport measurements reveal an increase in the transmembrane flux of carbon dioxide as compared to that of bare CNMs, whereas passage of helium is found to be suppressed in accordance with the solubility constants. Upon exposure to water vapor, the behavior of the hybrid membrane appears to differ strikingly as hydrophilic properties of CNMs are camouflaged by the hydrophobic nature of the ionic liquid. Kinetic simulations are conducted to account for the change in permeation mechanism, and the results agree with the experimental data obtained. Our study confirms that molecular transport in two-dimensional membranes can be tailored by imparting chemical functionalities, but at the same time highlights practical challenges in surface modification.Phototherapy, including photodynamic therapy and photothermal therapy, has the potential to treat several types of cancer. However, to be an effective anticancer treatment, it has to overcome limitations, such as low penetration depth, low target specificity, and resistance conferred by the local tumor microenvironment. As a non-invasive technique, low-intensity ultrasound has been widely used in clinical diagnosis as it exhibits deeper penetration into the body compared to light. Recently, sonodynamic therapy (SDT), a combination of low-intensity ultrasound with a chemotherapeutic agent (sonosensitizer), has been explored as a promising alternative for cancer therapy. As all known cancer treatments such as chemotherapy, photodynamic therapy, photothermal therapy, immunotherapy, and drug delivery have been advanced independently enough to complement others substantially, the combination of these therapeutic modalities with SDT is opportune. This review article highlights the recent advances in SDT in terms of sonosensitizers and their formulations and anticancer therapeutic efficacy. Also discussed is the potential of SDT in combination with other modalities to address unmet needs in precision medicine.The novel copper complex [Cu(phen)2(salubrinal)](ClO4)2 (C0SAL) has been synthesised and characterised. Copper(ii) is coordinated by salubrinal through the thionic group, as shown by the UV-Vis, IR, ESI-MS and tandem mass results, together with the theoretical calculations. The formed complex showed a DPPH radical scavenging ability higher than that of salubrinal alone. Studies on lipid oxidation inhibition showed that the C0SAL concentration, required to inhibit the enzyme, was lower than that of salubrinal. The inhibition of the enzyme could take place via allosteric modulation, as suggested by docking calculations. C0SAL showed a good cytotoxic activity on A2780 cells, 82 fold higher than that of the precursor salubrinal and 1.4 fold higher than that of [Cu(phen)2(H2O)](ClO4)2. Treatment with C0SAL in SKOV3 ovarian cancer cells induced expression of GRP-78 and DDIT3 regulators of ER-stress response. https://www.selleckchem.com/peptide/gp91ds-tat.html The cytotoxic effect of C0SAL was reverted in the presence of TUDCA, suggesting that C0SAL induces cell death through ER-stress. In A2780 cells treated with C0SAL γ-H2AX was accumulated, suggesting that DNA damage was also involved.We present a detailed numerical study of multi-component colloidal gels interacting sterically and obtained by arrested phase separation. Under deformation, we found that the interplay between the different intertwined networks is key. Increasing the number of components leads to softer solids that can accommodate progressively larger strains before yielding. The simulations highlight how this is the direct consequence of the purely repulsive interactions between the different components, which end up enhancing the linear response of the material. Our work provides new insight into mechanisms at play for controlling the material properties and opens a road to new design principles for soft composite solids.Halide perovskites have emerged as a class of most promising and cost-effective semiconductor materials for next generation photoluminescent, electroluminescent and photovoltaic devices. These perovskites have high optical absorption coefficients and exhibit narrow-band bright photoluminescence, in addition to their halide-dependent tuneable bandgaps, low exciton binding energies, and long-range carrier diffusion. These properties make these perovskites superior to classical semiconductors such as silicon. Most importantly, the simple synthesis of perovskites in the form of high quality films, single crystals, nanocrystals and quantum dots has attracted newcomers to develop novel perovskites with unique optoelectronic properties for optical and photovoltaic applications. Here, we comprehensively review recent advances in the synthesis and optoelectronic properties of films, microcrystals, nanocrystals and quantum dots of lead halide and lead-free halide perovskites. Followed by the classification of synthesis, we address the ensemble and single particle properties of perovskites from the viewpoints of the confinement and transport of charge carriers or excitons.
    Increased hepatic sympathetic tone and CD36 mRNA expression and reduced adiponectin levels underlie these diet-induced metabolic alterations in mutant females. The results indicate that α2δ-1 in VMH SF1 neurons critically regulates metabolic function through sexually dimorphic mechanisms. These findings are clinically relevant as metabolic alterations have been reported as a side effects in human patients prescribed gabapentinoid drugs, known to inhibit α2δ-1 function, for the treatment of seizure disorders, neuropathic pain and anxiety disorders. © Endocrine Society 2020. All rights reserved. For permissions, please e-mail journals.permissions@oup.com.The rising demand for helium resources makes the effective separation of helium from natural gas increasingly important in the cryogenics industry and welding technology. However, most commonly used membranes cannot efficiently separate helium from the small molecules in natural gas. In this work, using first-principles calculations, combined with molecular dynamics simulations, we showed that efficient separation of helium from natural gas molecules (H2O, CO2, CO, CH4, and N2) as well as noble gas molecules (Ne and Ar) can be achieved in an inorganic graphenylene (IGP) membrane with high selectivities. In particular, molecular dynamics simulations demonstrated that high helium permeance (approximately 10-4 mol m-2 s-1 Pa-1) can be achieved over a wide range of temperatures (100 to 500 K) with high selectivity over other gas molecules. The high permeance and selectivity of the IGP monolayer membrane to helium are quite promising for industrial applications.Ionic liquids and nanoscale membranes are both considered as promising functional components to design next-generation gas separation technologies. Herein, we combine free-standing carbon nanomembranes (CNMs) with [bmim][Tf2N] ionic liquid having affinity to carbon dioxide, and explore molecular permeation through such a composite membrane. Gas transport measurements reveal an increase in the transmembrane flux of carbon dioxide as compared to that of bare CNMs, whereas passage of helium is found to be suppressed in accordance with the solubility constants. Upon exposure to water vapor, the behavior of the hybrid membrane appears to differ strikingly as hydrophilic properties of CNMs are camouflaged by the hydrophobic nature of the ionic liquid. Kinetic simulations are conducted to account for the change in permeation mechanism, and the results agree with the experimental data obtained. Our study confirms that molecular transport in two-dimensional membranes can be tailored by imparting chemical functionalities, but at the same time highlights practical challenges in surface modification.Phototherapy, including photodynamic therapy and photothermal therapy, has the potential to treat several types of cancer. However, to be an effective anticancer treatment, it has to overcome limitations, such as low penetration depth, low target specificity, and resistance conferred by the local tumor microenvironment. As a non-invasive technique, low-intensity ultrasound has been widely used in clinical diagnosis as it exhibits deeper penetration into the body compared to light. Recently, sonodynamic therapy (SDT), a combination of low-intensity ultrasound with a chemotherapeutic agent (sonosensitizer), has been explored as a promising alternative for cancer therapy. As all known cancer treatments such as chemotherapy, photodynamic therapy, photothermal therapy, immunotherapy, and drug delivery have been advanced independently enough to complement others substantially, the combination of these therapeutic modalities with SDT is opportune. This review article highlights the recent advances in SDT in terms of sonosensitizers and their formulations and anticancer therapeutic efficacy. Also discussed is the potential of SDT in combination with other modalities to address unmet needs in precision medicine.The novel copper complex [Cu(phen)2(salubrinal)](ClO4)2 (C0SAL) has been synthesised and characterised. Copper(ii) is coordinated by salubrinal through the thionic group, as shown by the UV-Vis, IR, ESI-MS and tandem mass results, together with the theoretical calculations. The formed complex showed a DPPH radical scavenging ability higher than that of salubrinal alone. Studies on lipid oxidation inhibition showed that the C0SAL concentration, required to inhibit the enzyme, was lower than that of salubrinal. The inhibition of the enzyme could take place via allosteric modulation, as suggested by docking calculations. C0SAL showed a good cytotoxic activity on A2780 cells, 82 fold higher than that of the precursor salubrinal and 1.4 fold higher than that of [Cu(phen)2(H2O)](ClO4)2. Treatment with C0SAL in SKOV3 ovarian cancer cells induced expression of GRP-78 and DDIT3 regulators of ER-stress response. https://www.selleckchem.com/peptide/gp91ds-tat.html The cytotoxic effect of C0SAL was reverted in the presence of TUDCA, suggesting that C0SAL induces cell death through ER-stress. In A2780 cells treated with C0SAL γ-H2AX was accumulated, suggesting that DNA damage was also involved.We present a detailed numerical study of multi-component colloidal gels interacting sterically and obtained by arrested phase separation. Under deformation, we found that the interplay between the different intertwined networks is key. Increasing the number of components leads to softer solids that can accommodate progressively larger strains before yielding. The simulations highlight how this is the direct consequence of the purely repulsive interactions between the different components, which end up enhancing the linear response of the material. Our work provides new insight into mechanisms at play for controlling the material properties and opens a road to new design principles for soft composite solids.Halide perovskites have emerged as a class of most promising and cost-effective semiconductor materials for next generation photoluminescent, electroluminescent and photovoltaic devices. These perovskites have high optical absorption coefficients and exhibit narrow-band bright photoluminescence, in addition to their halide-dependent tuneable bandgaps, low exciton binding energies, and long-range carrier diffusion. These properties make these perovskites superior to classical semiconductors such as silicon. Most importantly, the simple synthesis of perovskites in the form of high quality films, single crystals, nanocrystals and quantum dots has attracted newcomers to develop novel perovskites with unique optoelectronic properties for optical and photovoltaic applications. Here, we comprehensively review recent advances in the synthesis and optoelectronic properties of films, microcrystals, nanocrystals and quantum dots of lead halide and lead-free halide perovskites. Followed by the classification of synthesis, we address the ensemble and single particle properties of perovskites from the viewpoints of the confinement and transport of charge carriers or excitons.
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  • We also found evidence of hampered shared decision making and/or disempowered patient decision making regarding CES testing. Our data suggest unique needs for Latinx families having CES, particularly those who are non-English speaking when an interpreter is used. Our data support the value in continuing to take steps to improve culturally competent care by improving interpretation services and recruiting and training a genetic workforce that is ethnically, linguistically, and culturally diverse. © 2020 National Society of Genetic Counselors.Sonic hedgehog (Shh) signaling regulating epithelial-mesenchymal transition (EMT) in cultured rat peritoneal mesothelial cells (PMCs) remains an under-investigated topic. The current study aimed to elucidate the role of Shh signaling in the regulation of EMT in PMCs to attenuate peritoneal injury, with the view of enhancing the efficacy of peritoneal dialysis (PD). PMCs were initially extracted from male Wistar rats using pancreatic enzyme digestion. The expression of Shh and glioma-associated oncogene homolog (Gli1) was quantitatively analyzed using the reverse transcription quantitation-polymerase chain reaction (RT-qPCR) and western blot analysis. Migration of PMCs was determined using Transwell assay. The expression of Shh, Gli1 and EMT markers including α-SMA, fibronectin, collagen I, snail1 and E-cadherin was examined by RT-qPCR, western blot analysis, and immunofluorescence respectively. High glucose induction was identified to promote cell migration and increase the expression of Shh and Gli1 in a dose- and time-dependent manner in rat PMCs. Cyclopamine (CPN) was observed to block the Shh signaling induced by high glucose, accompanied by cell migration inhibition, decreased expression of α-SMA, fibronectin, collagen I and snail1 as well as increased expression of E-cadherin. Altogether, overexpression of Gli1 by transfected Gli1 plasmid promotes cell migration and upregulates α-SMA, fibronectin, Snail1 and collagen I expression, while downregulating E-cadherin expression. Shh/Gli1 signaling is important in mediating EMT in rat PMCs, which provides a potential novel therapeutic approach for clinical investigation on renal failure treatment. This article is protected by copyright. All rights reserved. This article is protected by copyright. All rights reserved.Italy and the rest of the world are experiencing an outbreak of a novel beta-coronavirus known as severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). In this context, in Italy, we reorganized the National Health System and prioritized the clinical cancer care scenario, balancing risk of SARS-CoV-2 transmission versus the magnitude of clinical benefit deriving from a specific therapeutic approach. As initial actions, we recommended that routine screening be suspended and that patients with early and advanced cancer be treated as outpatients as **** as possible and at the nearest medical center. Patients who need to be hospitalized for cancer treatment were protected from potential SARS-CoV-2 infection by creating a dedicated diagnostic and therapeutic internal pathway for cancer treatment. We implemented reorganization of the hospital networks, based on a hub-and-spoke design. Stronger personal protection was made available for patients with cancer. Because of the extreme burden created by COVID-19, antitumor treatment was initiated only after considering patient performance status, comorbidities, biology of disease, and the likely impact of treatment on outcome. Treatment strategies were discussed in the context of a multidisciplinary tumor board. Treatment decision making balanced risk and benefits of treatment in the context of the specific pandemic level, on a case-by-case basis. © AlphaMed Press 2020.Head and neck examinations are commonly performed by all physicians. In the era of the COVID-19 pandemic caused by the SARS-CoV-2 virus, which has a high viral load in the upper airways, these examinations and procedures of the upper aerodigestive tract must be approached with caution. https://www.selleckchem.com/products/pilaralisib-xl147.html Based on experience and evidence from SARS-CoV-1 and early experience with SARS-CoV-2, we provide our perspective and guidance on mitigating transmission risk during head and neck examination, upper airway endoscopy, and head and neck mucosal surgery including tracheostomy. © 2020 Wiley Periodicals, Inc.BT2 is a BTB/TAZ domain protein with key roles in multiple stress responses and the plant development of Arabidopsis (Figueroa et al. 2005; Ren et al. 2007; Mandadi et al. 2009). Recent studies have demonstrated that apple MdBT2 functions as a negative regulator in diverse hormonal and environmental signal-induced anthocyanin biosynthesis, suggesting that MdBT2 integrates stress signals and anthocyanin biosynthesis. This article is protected by copyright. All rights reserved. This article is protected by copyright. All rights reserved.Mammalian immune responses are initiated by "danger" signals--immutable molecular structures known as PAMPs. When detected by fixed, germline encoded receptors, pathogen-associated molecular pattern (PAMPs) subsequently inform the polarization of downstream adaptive responses depending upon identity and localization of the PAMP. Here, we report the existence of a completely novel "PAMP" that is not a molecular structure but an antigenic pattern. This pattern--the incidence of peptide epitopes with stretches of 100% sequence identity bound to both dendritic cell (DC) major histocompatibility (MHC) class I and ****class II--strongly induces TH 1 immune polarization and activation of the cellular immune response. Inherent in the existence of this PAMP is the concomitant existence of a molecular sensor complex with the ability to scan and compare amino acid sequence identities of bound class I and II peptides. We provide substantial evidence implicating the multienzyme aminoacyl-tRNA synthetase (mARS) complex and its AIMp1 structural component as the key constituents of this complex. The results demonstrate a wholly novel mechanism by which T-helper (TH ) polarization is governed and provide critical information for the design of vaccination strategies intended to provoke cell-mediated immunity. © 2020 Federation of American Societies for Experimental Biology.
    We also found evidence of hampered shared decision making and/or disempowered patient decision making regarding CES testing. Our data suggest unique needs for Latinx families having CES, particularly those who are non-English speaking when an interpreter is used. Our data support the value in continuing to take steps to improve culturally competent care by improving interpretation services and recruiting and training a genetic workforce that is ethnically, linguistically, and culturally diverse. © 2020 National Society of Genetic Counselors.Sonic hedgehog (Shh) signaling regulating epithelial-mesenchymal transition (EMT) in cultured rat peritoneal mesothelial cells (PMCs) remains an under-investigated topic. The current study aimed to elucidate the role of Shh signaling in the regulation of EMT in PMCs to attenuate peritoneal injury, with the view of enhancing the efficacy of peritoneal dialysis (PD). PMCs were initially extracted from male Wistar rats using pancreatic enzyme digestion. The expression of Shh and glioma-associated oncogene homolog (Gli1) was quantitatively analyzed using the reverse transcription quantitation-polymerase chain reaction (RT-qPCR) and western blot analysis. Migration of PMCs was determined using Transwell assay. The expression of Shh, Gli1 and EMT markers including α-SMA, fibronectin, collagen I, snail1 and E-cadherin was examined by RT-qPCR, western blot analysis, and immunofluorescence respectively. High glucose induction was identified to promote cell migration and increase the expression of Shh and Gli1 in a dose- and time-dependent manner in rat PMCs. Cyclopamine (CPN) was observed to block the Shh signaling induced by high glucose, accompanied by cell migration inhibition, decreased expression of α-SMA, fibronectin, collagen I and snail1 as well as increased expression of E-cadherin. Altogether, overexpression of Gli1 by transfected Gli1 plasmid promotes cell migration and upregulates α-SMA, fibronectin, Snail1 and collagen I expression, while downregulating E-cadherin expression. Shh/Gli1 signaling is important in mediating EMT in rat PMCs, which provides a potential novel therapeutic approach for clinical investigation on renal failure treatment. This article is protected by copyright. All rights reserved. This article is protected by copyright. All rights reserved.Italy and the rest of the world are experiencing an outbreak of a novel beta-coronavirus known as severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). In this context, in Italy, we reorganized the National Health System and prioritized the clinical cancer care scenario, balancing risk of SARS-CoV-2 transmission versus the magnitude of clinical benefit deriving from a specific therapeutic approach. As initial actions, we recommended that routine screening be suspended and that patients with early and advanced cancer be treated as outpatients as much as possible and at the nearest medical center. Patients who need to be hospitalized for cancer treatment were protected from potential SARS-CoV-2 infection by creating a dedicated diagnostic and therapeutic internal pathway for cancer treatment. We implemented reorganization of the hospital networks, based on a hub-and-spoke design. Stronger personal protection was made available for patients with cancer. Because of the extreme burden created by COVID-19, antitumor treatment was initiated only after considering patient performance status, comorbidities, biology of disease, and the likely impact of treatment on outcome. Treatment strategies were discussed in the context of a multidisciplinary tumor board. Treatment decision making balanced risk and benefits of treatment in the context of the specific pandemic level, on a case-by-case basis. © AlphaMed Press 2020.Head and neck examinations are commonly performed by all physicians. In the era of the COVID-19 pandemic caused by the SARS-CoV-2 virus, which has a high viral load in the upper airways, these examinations and procedures of the upper aerodigestive tract must be approached with caution. https://www.selleckchem.com/products/pilaralisib-xl147.html Based on experience and evidence from SARS-CoV-1 and early experience with SARS-CoV-2, we provide our perspective and guidance on mitigating transmission risk during head and neck examination, upper airway endoscopy, and head and neck mucosal surgery including tracheostomy. © 2020 Wiley Periodicals, Inc.BT2 is a BTB/TAZ domain protein with key roles in multiple stress responses and the plant development of Arabidopsis (Figueroa et al. 2005; Ren et al. 2007; Mandadi et al. 2009). Recent studies have demonstrated that apple MdBT2 functions as a negative regulator in diverse hormonal and environmental signal-induced anthocyanin biosynthesis, suggesting that MdBT2 integrates stress signals and anthocyanin biosynthesis. This article is protected by copyright. All rights reserved. This article is protected by copyright. All rights reserved.Mammalian immune responses are initiated by "danger" signals--immutable molecular structures known as PAMPs. When detected by fixed, germline encoded receptors, pathogen-associated molecular pattern (PAMPs) subsequently inform the polarization of downstream adaptive responses depending upon identity and localization of the PAMP. Here, we report the existence of a completely novel "PAMP" that is not a molecular structure but an antigenic pattern. This pattern--the incidence of peptide epitopes with stretches of 100% sequence identity bound to both dendritic cell (DC) major histocompatibility (MHC) class I and MHC class II--strongly induces TH 1 immune polarization and activation of the cellular immune response. Inherent in the existence of this PAMP is the concomitant existence of a molecular sensor complex with the ability to scan and compare amino acid sequence identities of bound class I and II peptides. We provide substantial evidence implicating the multienzyme aminoacyl-tRNA synthetase (mARS) complex and its AIMp1 structural component as the key constituents of this complex. The results demonstrate a wholly novel mechanism by which T-helper (TH ) polarization is governed and provide critical information for the design of vaccination strategies intended to provoke cell-mediated immunity. © 2020 Federation of American Societies for Experimental Biology.
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  • Copyright © Yang et al.In the present study, the effect of thieno[3,4-d]pyrimidine (TEP) on the transcription of human immunodeficiency virus type 1 (HIV-1) was investigated. https://www.selleckchem.com/products/ml348.html To the best of the authors' knowledge, this is the first study describing the effect of TEP on the transcription of HIV-1. The present results identified a marked decrease in the production of the HIV-1 genome in 293T cells after treatment with TEP. The treatment of HIV-1infected 293T cells with TEP led to the upregulation of retinoblastoma binding protein 4 (RbAp48) mRNA and protein. The activity of long terminal repeats (LTRs) was decreased by 19, 24, 29, 34, 38, 41, 52, 63, 76 and 92% in treatments with concentrations of 0.25, 0.5, 0.75, 1.0, 1.25, 1.5, 1.75, 2.0, 2.25 and 2.5 µM TEP, respectively. The p65 translocation to the nucleus was markedly reduced in 293T cells treated with TEP for 48 h. A marked decrease was observed in the production of HIV-1 in 293T cells with the increase in concentration of pRbAp48. In 293T cells, RbAp48 and TEP decreased tumor necrosis factor-α and phorbol 12-myristate 13-acetate-induced activity of LTR. Therefore, the present study suggested that TEP inhibited transcription of HIV-1 through upregulation of RbAp48 expression and activation of the NF-κB pathway. Therefore, TEP may be used for the treatment of HIV-1 infection. Copyright © Xu et al.Esophageal squamous cell carcinoma (ESCC) is a common cancer in China and has a high mortality rate. MicroRNAs (miRs) are a family of post-transcriptional regulators, which negatively regulate target gene expression. miR-613 has been revealed to be a diagnostic and prognostic biomarker in ESCC. However, the role of miR-613 in ESCC remains unclear. In the present study, miR-613 expression was identified to be reduced in tumor tissues in comparison with corresponding adjacent normal tissues. TargetScan and a dual-luciferase reporter assay verified glucose-6-phosphate dehydrogenase (G6PD) as a direct target of miR-613. In contrast with miR-613, G6PD expression was increased in tumor tissues compared with matched healthy tissues. Furthermore, overexpression of miR-613 inhibited cell migration and invasion of Eca109 cells compared with controls, while G6PD overexpression reversed the inhibition induced by miR-613, as determined by wound healing and Transwell assays. In addition, miR-613 overexpression decreased the mRNA and protein expression of G6PD, matrix metalloproteinase (MMP)2 and MMP9, and reduced the phosphorylation of signal transducer and activator of transcription 3 (STAT3) compared with controls, while G6PD reversed the effects of miR-613. However, miR-613 and G6PD did not affect the expression of STAT3. In conclusion, the aforementioned results suggest that miR-613 targets G6PD to suppress ESCC cell migration and invasion through reduced MMP2 and MMP9 expression and inactivation of the STAT3 signaling pathway. Thus, the present study may provide a new molecular foundation for treatment of ESCC. Copyright © Su et al.Intestinal graft-vs.-host disease (GVHD) is a serious complication of allo-hematopoietic stem cell transplantation (allo-HSCT). Villous atrophy in the terminal ileum is considered a useful diagnostic indicator for GVHD. However, the inter- and intra-observer agreement regarding the ileocolonoscopic findings indicative of acute intestinal GVHD, i.e., villous atrophy in the terminal ileum, are currently insufficient in multiple institutions. Thus, the present study aimed to investigate the incidence of villous atrophy in the terminal ileum to diagnose acute intestinal GVHD and determine the inter- and intra-observer agreement regarding this result for experienced endoscopists from multiple institutions. Consecutive patients who underwent allo-HSCT were referred to our institution between May 2008 and September 2015. A total of 54 patients underwent total ileocolonoscopy after allo-HSCT due to suspected intestinal acute GVHD. Subsequently, three observers from different institutions evaluated the cases for the p C. A substantial observer agreement was achieved for the analysis of villous atrophy in the terminal ileum and the agreement for the predictive histological diagnosis was also excellent. Based on the results of the present study, identification of villous atrophy in the terminal ileum was a clinically effective diagnostic parameter, even if different endoscopists were involved in the diagnosis at multiple institutions. The present study was registered as a trial with the University Hospital Medical Information Network (UMIN; registration no. UMIN000025390). Copyright © Sugihara et al.Pulsatile intravenous insulin therapy (PIVIT) is a means of imitating naturally occurring insulin pulses artificially. It is thought to improve carbohydrate metabolism, which can be assessed using the respiratory quotient (RQ). The aim of this present study was to assess the efficacy and safety of PIVIT for the improvement of RQ in Chinese patients with diabetes mellitus (DM). This 12-week, multi-center, prospective, randomized, open-label, parallel-group study involved 110 DM patients (both type 1 and type 2) whose RQ was less then 0.8. Of these, 53 patients formed the control group, in which standard anti-diabetic therapy was maintained, and 54 patients formed the treatment group, which underwent weekly PIVIT in addition to the administration of standard anti-diabetic therapy. RQ was evaluated monthly in control subjects, and before and after every PIVIT treatment in the treatment group. After weekly PIVIT for 12 weeks, the mean RQ increased from 0.70 to 0.90 in the treatment group, but did not change in the control group. The percentage of subjects reporting adverse events (AEs) was 31.5% (17/54) in the treatment group and 9.43% (5/53) in the control group (P=0.0053). The most frequently reported AE (by 12 subjects) was a gastroenteric reaction when these individuals were receiving 50% glucose during the PIVIT treatment. The majority of AEs were mild and did not interfere with the ongoing treatment. Thus, PIVIT can be viewed as tolerated and effective for the improvement of RQ in Chinese DM patients. This study was retrospectively registered with the Chinese Clinical Trial Registry (http//www.chictr.org.cn) on November 13th 2019 (registration no. ChiCTR1900027510). Copyright © ** et al.
    Copyright © Yang et al.In the present study, the effect of thieno[3,4-d]pyrimidine (TEP) on the transcription of human immunodeficiency virus type 1 (HIV-1) was investigated. https://www.selleckchem.com/products/ml348.html To the best of the authors' knowledge, this is the first study describing the effect of TEP on the transcription of HIV-1. The present results identified a marked decrease in the production of the HIV-1 genome in 293T cells after treatment with TEP. The treatment of HIV-1infected 293T cells with TEP led to the upregulation of retinoblastoma binding protein 4 (RbAp48) mRNA and protein. The activity of long terminal repeats (LTRs) was decreased by 19, 24, 29, 34, 38, 41, 52, 63, 76 and 92% in treatments with concentrations of 0.25, 0.5, 0.75, 1.0, 1.25, 1.5, 1.75, 2.0, 2.25 and 2.5 µM TEP, respectively. The p65 translocation to the nucleus was markedly reduced in 293T cells treated with TEP for 48 h. A marked decrease was observed in the production of HIV-1 in 293T cells with the increase in concentration of pRbAp48. In 293T cells, RbAp48 and TEP decreased tumor necrosis factor-α and phorbol 12-myristate 13-acetate-induced activity of LTR. Therefore, the present study suggested that TEP inhibited transcription of HIV-1 through upregulation of RbAp48 expression and activation of the NF-κB pathway. Therefore, TEP may be used for the treatment of HIV-1 infection. Copyright © Xu et al.Esophageal squamous cell carcinoma (ESCC) is a common cancer in China and has a high mortality rate. MicroRNAs (miRs) are a family of post-transcriptional regulators, which negatively regulate target gene expression. miR-613 has been revealed to be a diagnostic and prognostic biomarker in ESCC. However, the role of miR-613 in ESCC remains unclear. In the present study, miR-613 expression was identified to be reduced in tumor tissues in comparison with corresponding adjacent normal tissues. TargetScan and a dual-luciferase reporter assay verified glucose-6-phosphate dehydrogenase (G6PD) as a direct target of miR-613. In contrast with miR-613, G6PD expression was increased in tumor tissues compared with matched healthy tissues. Furthermore, overexpression of miR-613 inhibited cell migration and invasion of Eca109 cells compared with controls, while G6PD overexpression reversed the inhibition induced by miR-613, as determined by wound healing and Transwell assays. In addition, miR-613 overexpression decreased the mRNA and protein expression of G6PD, matrix metalloproteinase (MMP)2 and MMP9, and reduced the phosphorylation of signal transducer and activator of transcription 3 (STAT3) compared with controls, while G6PD reversed the effects of miR-613. However, miR-613 and G6PD did not affect the expression of STAT3. In conclusion, the aforementioned results suggest that miR-613 targets G6PD to suppress ESCC cell migration and invasion through reduced MMP2 and MMP9 expression and inactivation of the STAT3 signaling pathway. Thus, the present study may provide a new molecular foundation for treatment of ESCC. Copyright © Su et al.Intestinal graft-vs.-host disease (GVHD) is a serious complication of allo-hematopoietic stem cell transplantation (allo-HSCT). Villous atrophy in the terminal ileum is considered a useful diagnostic indicator for GVHD. However, the inter- and intra-observer agreement regarding the ileocolonoscopic findings indicative of acute intestinal GVHD, i.e., villous atrophy in the terminal ileum, are currently insufficient in multiple institutions. Thus, the present study aimed to investigate the incidence of villous atrophy in the terminal ileum to diagnose acute intestinal GVHD and determine the inter- and intra-observer agreement regarding this result for experienced endoscopists from multiple institutions. Consecutive patients who underwent allo-HSCT were referred to our institution between May 2008 and September 2015. A total of 54 patients underwent total ileocolonoscopy after allo-HSCT due to suspected intestinal acute GVHD. Subsequently, three observers from different institutions evaluated the cases for the p C. A substantial observer agreement was achieved for the analysis of villous atrophy in the terminal ileum and the agreement for the predictive histological diagnosis was also excellent. Based on the results of the present study, identification of villous atrophy in the terminal ileum was a clinically effective diagnostic parameter, even if different endoscopists were involved in the diagnosis at multiple institutions. The present study was registered as a trial with the University Hospital Medical Information Network (UMIN; registration no. UMIN000025390). Copyright © Sugihara et al.Pulsatile intravenous insulin therapy (PIVIT) is a means of imitating naturally occurring insulin pulses artificially. It is thought to improve carbohydrate metabolism, which can be assessed using the respiratory quotient (RQ). The aim of this present study was to assess the efficacy and safety of PIVIT for the improvement of RQ in Chinese patients with diabetes mellitus (DM). This 12-week, multi-center, prospective, randomized, open-label, parallel-group study involved 110 DM patients (both type 1 and type 2) whose RQ was less then 0.8. Of these, 53 patients formed the control group, in which standard anti-diabetic therapy was maintained, and 54 patients formed the treatment group, which underwent weekly PIVIT in addition to the administration of standard anti-diabetic therapy. RQ was evaluated monthly in control subjects, and before and after every PIVIT treatment in the treatment group. After weekly PIVIT for 12 weeks, the mean RQ increased from 0.70 to 0.90 in the treatment group, but did not change in the control group. The percentage of subjects reporting adverse events (AEs) was 31.5% (17/54) in the treatment group and 9.43% (5/53) in the control group (P=0.0053). The most frequently reported AE (by 12 subjects) was a gastroenteric reaction when these individuals were receiving 50% glucose during the PIVIT treatment. The majority of AEs were mild and did not interfere with the ongoing treatment. Thus, PIVIT can be viewed as tolerated and effective for the improvement of RQ in Chinese DM patients. This study was retrospectively registered with the Chinese Clinical Trial Registry (http//www.chictr.org.cn) on November 13th 2019 (registration no. ChiCTR1900027510). Copyright © Gu et al.
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  • BACKGROUND Long non-coding RNAs (lncRNAs) exhibit highly cell type-specific expression and function, making this class of transcript attractive for targeted cancer therapy. However, the vast majority of lncRNAs have not been tested as potential therapeutic targets, particularly in the context of currently used cancer treatments. Malignant glioma is rapidly fatal, and ionizing radiation is part of the current standard-of-care used to slow tumor growth in both adult and pediatric patients. RESULTS We use CRISPR interference (CRISPRi) to screen 5689 lncRNA loci in human glioblastoma (GBM) cells, identifying 467 hits that modify cell growth in the presence of clinically relevant doses of fractionated radiation. Thirty-three of these lncRNA hits sensitize cells to radiation, and based on their expression in adult and pediatric gliomas, nine of these hits are prioritized as lncRNA Glioma Radiation Sensitizers (lncGRS). Knockdown of lncGRS-1, a primate-conserved, nuclear-enriched lncRNA, inhibits the growth and proliferation of primary adult and pediatric glioma cells, but not the viability of normal brain cells. Using human brain organoids comprised of mature neural cell types as a three-dimensional tissue substrate to model the invasive growth of glioma, we find that antisense oligonucleotides targeting lncGRS-1 selectively decrease tumor growth and sensitize glioma cells to radiation therapy. CONCLUSIONS These studies identify lncGRS-1 as a glioma-specific therapeutic target and establish a generalizable approach to rapidly identify novel therapeutic targets in the vast non-coding genome to enhance radiation therapy.BACKGROUND In highly segmented and complex healthcare organizations social capital is assumed to be of high relevance for the coordination of tasks in healthcare. So far, comprehensively validated instruments on social capital in healthcare organizations are lacking. The aim of this work is to validate an instrument measuring social capital in healthcare organizations. METHODS This validation study is based on a cross-sectional survey of 1050 hospital employees from 49 German hospitals which specialize in breast cancer care. Social capital was assessed by a six-item scale. Reliability analyses and confirmatory factor analyses were conducted to determine the content validity of items within the theory-driven one-dimensional scale structure. https://www.selleckchem.com/products/n6022.html The scale's associations with measures of the social aspects of the work environment (identification, social support, open communication climate) were estimated to test convergent validity. Criterion-related validity was evaluated by conducting structural equation modelling to examine the predictive validity of the scale with measures of work engagement, well-being and burnout. RESULTS A one-dimensional structure of the instrument could be identified (CFI = .99; RMSEA = .06). Convergent validity was shown by hypothesis-consistent correlations with social support offered by supervisors and colleagues, a climate of open communication, and employee commitment to the organization. Criterion-related validity of the social capital scale was proved by its prediction of employee work engagement (R2 = .10-.13 for the three subscales), well-being (R2 = .13), and burnout (R2 = .06-.11 for the three subscales). CONCLUSIONS The confirmed associations between social capital and work engagement, burnout as well as well-being stress the importance of social capital as a vital resource for employee health and performance in healthcare organizations. In healthcare organizations this short instrument can be used as an efficient instrument to measure the organizations' social capital.BACKGROUND Microangiopathy in type 2 diabetes (T2D) is associated with cardiovascular disease (CVD), but most relevant studies were performed > 10 years ago. CVD risk factor management has since improved. The aim of this study was to determine whether diabetic retinopathy (DR) and its severity increases stroke and myocardial infarction (MI) risk in a contemporary cohort. METHODS Fremantle Diabetes Study Phase II participants with T2D had DR graded from fundus photography at baseline between 2008 and 2011. Subsequent hospitalizations and mortality for MI or stroke were ascertained through validated data linkage to end-2016. Cox regression modelling identified predictors of first stroke and MI including DR presence and severity. RESULTS The 1521 participants with T2D and known DR status (mean age 65.6 years, 52.1% males, median diabetes duration 9.0 years) were followed for a mean of 6.6 years. After excluding those with prior MI/stroke, there were 126 incident MIs among 1393 eligible participants and 53 incident strokes in 1473 eligible participants, respectively. Moderate non-proliferative DR (NPDR) or worse was significantly and independently associated with an increased risk of incident stroke (adjusted hazard ratio 2.55 (95% CI 1.19, 5.47), p = 0.016). Retinopathy presence and severity increased the risk of incident MI in unadjusted models (p ≤ 0.001), but these associations were no longer statistically significant after adjusting for other risk factors. CONCLUSIONS Moderate NPDR or worse was associated with an increased risk of first stroke in Australians with T2D. Intensified CVD risk factor management should be considered for patients with at least moderate NPDR.BACKGROUND Chronic obstructive pulmonary disease (COPD) is a major public health problem and cause of mortality worldwide. However, COPD in the early stage is usually not recognized and diagnosed. It is necessary to establish a risk model to predict COPD development. METHODS A total of 441 COPD patients and 192 control subjects were recruited, and 101 single-nucleotide polymorphisms (SNPs) were determined using the MassArray assay. With 5 clinical features as well as SNPs, 6 predictive models were established and evaluated in the training set and test set by the confusion matrix AU-ROC, AU-PRC, sensitivity (recall), specificity, accuracy, F1 score, MCC, PPV (precision) and NPV. The selected features were ranked. RESULTS Nine SNPs were significantly associated with COPD. Among them, 6 SNPs (rs1007052, OR = 1.671, P = 0.010; rs2910164, OR = 1.416, P  less then  0.037; rs473892, OR = 1.473, P  less then  0.044; rs161976, OR = 1.594, P  less then  0.044; rs159497, OR = 1.445, P  less then  0.045; and rs9296092, OR = 1.
    BACKGROUND Long non-coding RNAs (lncRNAs) exhibit highly cell type-specific expression and function, making this class of transcript attractive for targeted cancer therapy. However, the vast majority of lncRNAs have not been tested as potential therapeutic targets, particularly in the context of currently used cancer treatments. Malignant glioma is rapidly fatal, and ionizing radiation is part of the current standard-of-care used to slow tumor growth in both adult and pediatric patients. RESULTS We use CRISPR interference (CRISPRi) to screen 5689 lncRNA loci in human glioblastoma (GBM) cells, identifying 467 hits that modify cell growth in the presence of clinically relevant doses of fractionated radiation. Thirty-three of these lncRNA hits sensitize cells to radiation, and based on their expression in adult and pediatric gliomas, nine of these hits are prioritized as lncRNA Glioma Radiation Sensitizers (lncGRS). Knockdown of lncGRS-1, a primate-conserved, nuclear-enriched lncRNA, inhibits the growth and proliferation of primary adult and pediatric glioma cells, but not the viability of normal brain cells. Using human brain organoids comprised of mature neural cell types as a three-dimensional tissue substrate to model the invasive growth of glioma, we find that antisense oligonucleotides targeting lncGRS-1 selectively decrease tumor growth and sensitize glioma cells to radiation therapy. CONCLUSIONS These studies identify lncGRS-1 as a glioma-specific therapeutic target and establish a generalizable approach to rapidly identify novel therapeutic targets in the vast non-coding genome to enhance radiation therapy.BACKGROUND In highly segmented and complex healthcare organizations social capital is assumed to be of high relevance for the coordination of tasks in healthcare. So far, comprehensively validated instruments on social capital in healthcare organizations are lacking. The aim of this work is to validate an instrument measuring social capital in healthcare organizations. METHODS This validation study is based on a cross-sectional survey of 1050 hospital employees from 49 German hospitals which specialize in breast cancer care. Social capital was assessed by a six-item scale. Reliability analyses and confirmatory factor analyses were conducted to determine the content validity of items within the theory-driven one-dimensional scale structure. https://www.selleckchem.com/products/n6022.html The scale's associations with measures of the social aspects of the work environment (identification, social support, open communication climate) were estimated to test convergent validity. Criterion-related validity was evaluated by conducting structural equation modelling to examine the predictive validity of the scale with measures of work engagement, well-being and burnout. RESULTS A one-dimensional structure of the instrument could be identified (CFI = .99; RMSEA = .06). Convergent validity was shown by hypothesis-consistent correlations with social support offered by supervisors and colleagues, a climate of open communication, and employee commitment to the organization. Criterion-related validity of the social capital scale was proved by its prediction of employee work engagement (R2 = .10-.13 for the three subscales), well-being (R2 = .13), and burnout (R2 = .06-.11 for the three subscales). CONCLUSIONS The confirmed associations between social capital and work engagement, burnout as well as well-being stress the importance of social capital as a vital resource for employee health and performance in healthcare organizations. In healthcare organizations this short instrument can be used as an efficient instrument to measure the organizations' social capital.BACKGROUND Microangiopathy in type 2 diabetes (T2D) is associated with cardiovascular disease (CVD), but most relevant studies were performed > 10 years ago. CVD risk factor management has since improved. The aim of this study was to determine whether diabetic retinopathy (DR) and its severity increases stroke and myocardial infarction (MI) risk in a contemporary cohort. METHODS Fremantle Diabetes Study Phase II participants with T2D had DR graded from fundus photography at baseline between 2008 and 2011. Subsequent hospitalizations and mortality for MI or stroke were ascertained through validated data linkage to end-2016. Cox regression modelling identified predictors of first stroke and MI including DR presence and severity. RESULTS The 1521 participants with T2D and known DR status (mean age 65.6 years, 52.1% males, median diabetes duration 9.0 years) were followed for a mean of 6.6 years. After excluding those with prior MI/stroke, there were 126 incident MIs among 1393 eligible participants and 53 incident strokes in 1473 eligible participants, respectively. Moderate non-proliferative DR (NPDR) or worse was significantly and independently associated with an increased risk of incident stroke (adjusted hazard ratio 2.55 (95% CI 1.19, 5.47), p = 0.016). Retinopathy presence and severity increased the risk of incident MI in unadjusted models (p ≤ 0.001), but these associations were no longer statistically significant after adjusting for other risk factors. CONCLUSIONS Moderate NPDR or worse was associated with an increased risk of first stroke in Australians with T2D. Intensified CVD risk factor management should be considered for patients with at least moderate NPDR.BACKGROUND Chronic obstructive pulmonary disease (COPD) is a major public health problem and cause of mortality worldwide. However, COPD in the early stage is usually not recognized and diagnosed. It is necessary to establish a risk model to predict COPD development. METHODS A total of 441 COPD patients and 192 control subjects were recruited, and 101 single-nucleotide polymorphisms (SNPs) were determined using the MassArray assay. With 5 clinical features as well as SNPs, 6 predictive models were established and evaluated in the training set and test set by the confusion matrix AU-ROC, AU-PRC, sensitivity (recall), specificity, accuracy, F1 score, MCC, PPV (precision) and NPV. The selected features were ranked. RESULTS Nine SNPs were significantly associated with COPD. Among them, 6 SNPs (rs1007052, OR = 1.671, P = 0.010; rs2910164, OR = 1.416, P  less then  0.037; rs473892, OR = 1.473, P  less then  0.044; rs161976, OR = 1.594, P  less then  0.044; rs159497, OR = 1.445, P  less then  0.045; and rs9296092, OR = 1.
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  • Protein-DNA interactions are important for all biological processes and involve the process of proteins searching for and recognizing specific binding sites on the DNA. Many aspects of the mechanism of the protein search for targets on DNA are not well understood. One important problem is the effect of DNA conformation on the protein search dynamics. Using a theoretical method based on a discrete-state stochastic approach, we obtained an analytical description of the dynamic properties. We investigated a system with two DNA conformers. It was found that the average search time on one DNA conformer via 1D or 3D motions depended on the dynamics of the search process on the other DNA conformer.Smart biocatalysts, in which enzymes are conjugated to stimuli-responsive polymers, have gained considerable attention because of their catalytic switchability and recyclability. Although many systems have been developed, they require separate laboratory techniques for their recovery, making them unsuitable for many practical applications. To address these issues, we designed a thermomagneto-responsive biocatalyst by immobilizing an enzyme on the terminal of thermo-responsive polymer brushes tethered on magnetic nanoparticle (NP) clusters. The concept is demonstrated by a system consisting of iron oxide NPs, poly(N-isopropyl-acrylamide), and a malonyl-Coenzyme A synthetase (MatB). By using free malonate and coenzyme A (CoA), the designed catalyst exhibits adequate activity for the production of malonyl-CoA. Thanks to the use of a magnetic NP cluster, whose magnetic moment is high, this system is fully recoverable under the magnetic field at above 32 °C because of the collapse of the thermo-responsive polymer shell in the clusters. In addition, the recycled catalyst maintains moderate activity even after three cycles, and it also shows excellent catalytic switchability, that is, negligible catalytic activity at 25 °C because of the blockage of the active sites of the enzyme by the extended hydrophilic polymer chains but great catalytic activity at a temperatures above the lower critical solution temperature at which the enzymes are exposed to the reaction medium because of the thermo-responsive contraction of polymer chains. Because the azide functionality in our system can be easily functionalized depending upon our need, such catalytically switchable, fully recoverable, and recyclable multiresponsive catalytic systems can be of high relevance for other cell-free biosynthetic approaches.A portable and highly reproducible lab-on-capillary surface-enhanced Raman scattering (SERS) platform was developed using a specially designed homemade device for rapid on-site SERS measurement. In particular, this platform was composed of a capillary with a tiny orifice, which allows an effective and lossless sample extraction, resulting in high SERS performance. The capillary-based plasmonic substrate was prepared by compactly assembling Au@Ag core-shell nanorods (NRs) embedded with the 4-mercaptobenzoic acid (4-MBA) molecule as an internal standard onto the inner wall of a capillary tube. The fabrication process is facile and convenient with no requirement for complicated procedures. The exclusively prepared nanoparticles were able to significantly improve the signal consistency and overcome the limitations of reliable quantitative SERS analysis compared with conventional methods. Importantly, it was found that this capillary-based substrate with higher sensitivity was essentially attributed to more valid nanoparticles in the effective laser excitation region derived from the unique structure of the capillary. Furthermore, the applicability of the Au@4-MBA@Ag nanorod-decorated capillary for the quantitative identification of fungicides (malachite green and crystal violet) on the shell was demonstrated. As a result, this proposed lab-on-capillary sensor holds promising practical potential for rapid on-site analysis, especially for various contaminants on an uneven surface.Compared with semiconductor quantum dots and organic chromophores, carbon dots (CDs)-based lysosome probe with strong emission, an intrinsic targeting ability and easy synthesis procedure was urgently desired in visualization imaging studies. Herein, we showed that it was possible to produce CDs with desired properties for lysosome imaging via a one-step hydrothermal treatment of commercial reagents, rose bengal (RB) and branched polyethyleneimine (bPEI). The prepared P-R CDs had a high fluorescence quantum yield (FLQY) of 90.49%, a narrow emission band of 30 nm, negligible phototoxicity and dark toxicity. Moreover, P-R CDs had an intrinsic lysosome targeting ability without any post-modification ligands. Long-term cell imaging displayed P-R CDs can anchor lysosomes for up to 48 h without leakage. In addition, experimental results confirmed that dehalogenation crosslinking and structural reorganization of reactants were the main causes of the ultrahigh photoluminescence efficiency, low cytotoxicity and passivated surface of the P-R CDs. This origin was attributed to the restricted intersystem crossing and nonradiative transition, the reduced production of singlet oxygen, and suitable -NH2 functional groups. Due to outstanding characteristics, P-R CDs may be developed for a promising tool in lysosome image. The concept of facile preparation will also pave a new avenue for developing ultrabright functional nanomaterial markers.Aptamers have been widely used as recognition elements in electrochemical sensors. However, as the most expensive consumable, the aptasensors regeneration is still a critical challenge for sustainable feasibility and attracting great interest from researchers, due to the high affinity between the aptamers and their targets (the dissociation constant Kd is low to subnanomolar or nanomolar). In this work, we propose a photochromic five-azobenzene-inserted thrombin-aptamer based aptasensor to improve the regenerativity. With ultraviolet light exposure, the trans-structure of azobenzene changes to cis-structure, and open the folded aptamer to realize the aptasensor regeneration. The limit of detection can be sensitive to 3 pM (S/N = 3). The thrombin concentrations were detected to be 2.48 ± 0.02 and 20.26 ± 0.98 nM (n = 3) in duck whole blood and blood serum, respectively. https://www.selleckchem.com/products/n6022.html Utilizing surface plasmon resonance, we demonstrated that the certain azobenzene moieties can exactly increase Kd of aptamer-thrombin bounding.
    Protein-DNA interactions are important for all biological processes and involve the process of proteins searching for and recognizing specific binding sites on the DNA. Many aspects of the mechanism of the protein search for targets on DNA are not well understood. One important problem is the effect of DNA conformation on the protein search dynamics. Using a theoretical method based on a discrete-state stochastic approach, we obtained an analytical description of the dynamic properties. We investigated a system with two DNA conformers. It was found that the average search time on one DNA conformer via 1D or 3D motions depended on the dynamics of the search process on the other DNA conformer.Smart biocatalysts, in which enzymes are conjugated to stimuli-responsive polymers, have gained considerable attention because of their catalytic switchability and recyclability. Although many systems have been developed, they require separate laboratory techniques for their recovery, making them unsuitable for many practical applications. To address these issues, we designed a thermomagneto-responsive biocatalyst by immobilizing an enzyme on the terminal of thermo-responsive polymer brushes tethered on magnetic nanoparticle (NP) clusters. The concept is demonstrated by a system consisting of iron oxide NPs, poly(N-isopropyl-acrylamide), and a malonyl-Coenzyme A synthetase (MatB). By using free malonate and coenzyme A (CoA), the designed catalyst exhibits adequate activity for the production of malonyl-CoA. Thanks to the use of a magnetic NP cluster, whose magnetic moment is high, this system is fully recoverable under the magnetic field at above 32 °C because of the collapse of the thermo-responsive polymer shell in the clusters. In addition, the recycled catalyst maintains moderate activity even after three cycles, and it also shows excellent catalytic switchability, that is, negligible catalytic activity at 25 °C because of the blockage of the active sites of the enzyme by the extended hydrophilic polymer chains but great catalytic activity at a temperatures above the lower critical solution temperature at which the enzymes are exposed to the reaction medium because of the thermo-responsive contraction of polymer chains. Because the azide functionality in our system can be easily functionalized depending upon our need, such catalytically switchable, fully recoverable, and recyclable multiresponsive catalytic systems can be of high relevance for other cell-free biosynthetic approaches.A portable and highly reproducible lab-on-capillary surface-enhanced Raman scattering (SERS) platform was developed using a specially designed homemade device for rapid on-site SERS measurement. In particular, this platform was composed of a capillary with a tiny orifice, which allows an effective and lossless sample extraction, resulting in high SERS performance. The capillary-based plasmonic substrate was prepared by compactly assembling Au@Ag core-shell nanorods (NRs) embedded with the 4-mercaptobenzoic acid (4-MBA) molecule as an internal standard onto the inner wall of a capillary tube. The fabrication process is facile and convenient with no requirement for complicated procedures. The exclusively prepared nanoparticles were able to significantly improve the signal consistency and overcome the limitations of reliable quantitative SERS analysis compared with conventional methods. Importantly, it was found that this capillary-based substrate with higher sensitivity was essentially attributed to more valid nanoparticles in the effective laser excitation region derived from the unique structure of the capillary. Furthermore, the applicability of the Au@4-MBA@Ag nanorod-decorated capillary for the quantitative identification of fungicides (malachite green and crystal violet) on the shell was demonstrated. As a result, this proposed lab-on-capillary sensor holds promising practical potential for rapid on-site analysis, especially for various contaminants on an uneven surface.Compared with semiconductor quantum dots and organic chromophores, carbon dots (CDs)-based lysosome probe with strong emission, an intrinsic targeting ability and easy synthesis procedure was urgently desired in visualization imaging studies. Herein, we showed that it was possible to produce CDs with desired properties for lysosome imaging via a one-step hydrothermal treatment of commercial reagents, rose bengal (RB) and branched polyethyleneimine (bPEI). The prepared P-R CDs had a high fluorescence quantum yield (FLQY) of 90.49%, a narrow emission band of 30 nm, negligible phototoxicity and dark toxicity. Moreover, P-R CDs had an intrinsic lysosome targeting ability without any post-modification ligands. Long-term cell imaging displayed P-R CDs can anchor lysosomes for up to 48 h without leakage. In addition, experimental results confirmed that dehalogenation crosslinking and structural reorganization of reactants were the main causes of the ultrahigh photoluminescence efficiency, low cytotoxicity and passivated surface of the P-R CDs. This origin was attributed to the restricted intersystem crossing and nonradiative transition, the reduced production of singlet oxygen, and suitable -NH2 functional groups. Due to outstanding characteristics, P-R CDs may be developed for a promising tool in lysosome image. The concept of facile preparation will also pave a new avenue for developing ultrabright functional nanomaterial markers.Aptamers have been widely used as recognition elements in electrochemical sensors. However, as the most expensive consumable, the aptasensors regeneration is still a critical challenge for sustainable feasibility and attracting great interest from researchers, due to the high affinity between the aptamers and their targets (the dissociation constant Kd is low to subnanomolar or nanomolar). In this work, we propose a photochromic five-azobenzene-inserted thrombin-aptamer based aptasensor to improve the regenerativity. With ultraviolet light exposure, the trans-structure of azobenzene changes to cis-structure, and open the folded aptamer to realize the aptasensor regeneration. The limit of detection can be sensitive to 3 pM (S/N = 3). The thrombin concentrations were detected to be 2.48 ± 0.02 and 20.26 ± 0.98 nM (n = 3) in duck whole blood and blood serum, respectively. https://www.selleckchem.com/products/n6022.html Utilizing surface plasmon resonance, we demonstrated that the certain azobenzene moieties can exactly increase Kd of aptamer-thrombin bounding.
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  • The miR-187-triggered growth inhibition was found to be mainly due to induction of G2/M phase cell cycle arrest of the SAOS-2 cells. The G2/M cell cycle arrest was also accompanied by depletion of Cyclin-B1 expression. Additionally, miR-187 enhanced the chemosensitivity of the osteosarcoma cells to doxorubicin. The wound healing and transwell assay showed that miR-187 overexpression resulted in the suppression of migration and invasion of the SAOS-2 osteosarcoma cells. In silico analysis showed that miR-187 exerts its effects by inhibiting mitogen activated protein kinase 7 (MAPK7). The expression of MAPK7 was found to be significantly upregulated in osteosarcoma cells and overexpression of MAPK7 could nullify the effects of miR-187 on the proliferation of the osteosarcoma cells.PURPOSE Myxofibrosarcoma is characterized by a high rate of recurrence after surgery. Since myxofibrosarcoma is refractory to conventional cytotoxic chemotherapy, the established radical treatment is primary wide resection. The effects of histone deacetylase (HDAC) inhibitors on myxofibrosarcoma have not yet been investigated. Therefore, the main purpose of the present study was to examine the effects of a HDAC inhibitor on myxofibrosarcoma. METHODS The effects of the HDAC inhibitor OBP-801 on human myxofibrosarcoma cells were examined using cell viability assay, flow cytometric analysis of the cell cycle and apoptosis, and Western blotting. The effects of combinations of OBP-801 with pazopanib or Akt-mTOR inhibitors were also investigated using cell viability assay. RESULTS OBP-801 inhibited the growth of myxofibrosarcoma NMFH-1 and NMFH-2 cells. It also induced cell cycle arrest at the G2 phase and apoptosis in both cell lines. The inhibitory effects of pazopanib and Akt-mTOR inhibitors on the growth of myxofibrosarcoma cells were enhanced by the combination with OBP-801. CONCLUSIONS The present results demonstrated that OBP-801 exerted therapeutic effects in myxofibrosarcoma in both single and concomitant administrations. Therefore, OBP-801 has potential as a novel treatment for myxofibrosarcoma.PURPOSE This is a prospective pair cohort validating study to assess the clinical performance of a 3D ultrasound-guided imaging device (HistoScanning) to detect clinically significant prostate cancer. METHODS Data was collected prospectively from April 2016 to September 2018 from 200 patients who had their serum PSA levels rising for at least 4 months after previous negative trans rectal ultrasound-guided TRUS biopsy in a single center. All eligible men underwent prostate HistoScanning (PHS) and transperineal template prostate mapping biopsy as our reference standard and additional single targeted biopsy, when PHS device tested positive with a suspicious lesion of ≥0.5 cm3. Our primary goal was to obtain the results of PHS ability to detect clinically significant prostate cancer. Our secondary goal was to acquire data on PHS targeted biopsies. RESULTS In our study 200 men were enrolled and their mean age was 62 ±5.9 years. The mean number of previous biopsies was 1.51±0.65. The mean volume for PHS index lesion in any one prostate was 1.56 ±2.01 ml. Clinically significant prostate cancer (csPCa) was detected in 41 (20.5%) patients on biopsy. Sensitivity of PHS for detecting csPCa was 61.9% (95% CI 45.64-76.43) with specificity 27.85% (95% CI 21-35.53). https://www.selleckchem.com/products/cct128930.html Positive predictive value (PPV) and negative predictive value (NPV) for PHS were 18.57% (95% CI 15-22.76) and 73.33% (95% CI 63.45-81.33), respectively. Overall accuracy calculated by AUROC curve was 0.39 (95% CI 0.3-0.47). CONCLUSION PHS performance results of our study on detecting clinically significant prostate cancer were insufficient to include this ultrasound-guided diagnostic test as standard diagnostic tool.PURPOSE Prostate cancer is considered to be one of the most common cancers in men and as such there is a pressing need for finding new therapeutic agents to treat this disease. Therefore, the main purpose of the current research work was to study the anticancer effects of a naturally occurring coumarin- Auraptenol- against drug-resistant human prostate cancer cells and evaluate its effects on programmed cell death, reactive oxygen species (ROS) production, and JNK/p38 MAPK signalling pathway. METHODS Cell proliferation was examined by CCK8 cell viability assay. Apoptosis-related studies were checked by fluorescent microscopy using acridine orange (AO)/ethidium bromide (EB) and Hoechst staining, as well as flow cytometry using annexin V/propidium iodide (PI) assay. Western blot was used to study the effects of Auraptenol on apoptosis-related protein expressions including Bax, Bcl-2, as well as JNK/p38 MAPK signalling pathway. ROS production was evaluated by flow cytometry. RESULTS The results showed that Auraptenol caused significant reduction in the viability of the human LNCaP prostate carcinoma cells in a dose-dependent manner, exhibiting an IC50 of 25 µM in cancer cells and IC50 of 100 µM in normal PNT2 cells. The AO/EB staining assay showed that Auraptenol inhibited the viability of cancer cells via induction of apoptotic cell death, which was associated with increase in Bax and decrease in Bcl-2 levels. Hoechst staining results also confirmed that Auraptenol induced programmed cell death. The apoptotic cells increased from 0.8% in the control to 32.5% in the study group at 50 µM concentration of Auraptenol. Auraptenol also induced an increase in ROS production in a dose-dependent manner. Finally, this molecule blocked the JNK/p38 MAPK signal pathway concentration-dependently in human prostate cancer cells. CONCLUSION In conclusion, the current study indicates that this molecule could be developed as a potential anticancer drug against human prostate carcinoma provided further studies are carried out.PURPOSE To explore the relationships of pain in pancreatic cancer patients with pathological stage and expressions of nuclear factor-κB (NF-κB) and cyclooxygenase-2 (COX-2). METHODS A total of 54 patients with pancreatic cancer were enrolled to evaluate the pain before treatment, detect the expressions of NF-κB and COX-2, an inflammatory mediator, in tumor tissues by the immunohistochemical method and analyze their relationships with the pain in these patients. RESULTS The expressions of NF-κB and COX-2 varied obviously among pancreatic cancer patients with different degrees of pain, and as the pain was aggravated, the patients had raised expressions of NF-κB and COX-2 in tumor tissues (p less then 0.05). The degree of pain also differed evidently among the patients at different tumor node metastasis (TNM) stages, and the higher the pathological stage, the higher the degree of pain in patients (p less then 0.05). The pain score of patients was positively correlated with the expressions of NF-κB and COX-2 (p less then 0.
    The miR-187-triggered growth inhibition was found to be mainly due to induction of G2/M phase cell cycle arrest of the SAOS-2 cells. The G2/M cell cycle arrest was also accompanied by depletion of Cyclin-B1 expression. Additionally, miR-187 enhanced the chemosensitivity of the osteosarcoma cells to doxorubicin. The wound healing and transwell assay showed that miR-187 overexpression resulted in the suppression of migration and invasion of the SAOS-2 osteosarcoma cells. In silico analysis showed that miR-187 exerts its effects by inhibiting mitogen activated protein kinase 7 (MAPK7). The expression of MAPK7 was found to be significantly upregulated in osteosarcoma cells and overexpression of MAPK7 could nullify the effects of miR-187 on the proliferation of the osteosarcoma cells.PURPOSE Myxofibrosarcoma is characterized by a high rate of recurrence after surgery. Since myxofibrosarcoma is refractory to conventional cytotoxic chemotherapy, the established radical treatment is primary wide resection. The effects of histone deacetylase (HDAC) inhibitors on myxofibrosarcoma have not yet been investigated. Therefore, the main purpose of the present study was to examine the effects of a HDAC inhibitor on myxofibrosarcoma. METHODS The effects of the HDAC inhibitor OBP-801 on human myxofibrosarcoma cells were examined using cell viability assay, flow cytometric analysis of the cell cycle and apoptosis, and Western blotting. The effects of combinations of OBP-801 with pazopanib or Akt-mTOR inhibitors were also investigated using cell viability assay. RESULTS OBP-801 inhibited the growth of myxofibrosarcoma NMFH-1 and NMFH-2 cells. It also induced cell cycle arrest at the G2 phase and apoptosis in both cell lines. The inhibitory effects of pazopanib and Akt-mTOR inhibitors on the growth of myxofibrosarcoma cells were enhanced by the combination with OBP-801. CONCLUSIONS The present results demonstrated that OBP-801 exerted therapeutic effects in myxofibrosarcoma in both single and concomitant administrations. Therefore, OBP-801 has potential as a novel treatment for myxofibrosarcoma.PURPOSE This is a prospective pair cohort validating study to assess the clinical performance of a 3D ultrasound-guided imaging device (HistoScanning) to detect clinically significant prostate cancer. METHODS Data was collected prospectively from April 2016 to September 2018 from 200 patients who had their serum PSA levels rising for at least 4 months after previous negative trans rectal ultrasound-guided TRUS biopsy in a single center. All eligible men underwent prostate HistoScanning (PHS) and transperineal template prostate mapping biopsy as our reference standard and additional single targeted biopsy, when PHS device tested positive with a suspicious lesion of ≥0.5 cm3. Our primary goal was to obtain the results of PHS ability to detect clinically significant prostate cancer. Our secondary goal was to acquire data on PHS targeted biopsies. RESULTS In our study 200 men were enrolled and their mean age was 62 ±5.9 years. The mean number of previous biopsies was 1.51±0.65. The mean volume for PHS index lesion in any one prostate was 1.56 ±2.01 ml. Clinically significant prostate cancer (csPCa) was detected in 41 (20.5%) patients on biopsy. Sensitivity of PHS for detecting csPCa was 61.9% (95% CI 45.64-76.43) with specificity 27.85% (95% CI 21-35.53). https://www.selleckchem.com/products/cct128930.html Positive predictive value (PPV) and negative predictive value (NPV) for PHS were 18.57% (95% CI 15-22.76) and 73.33% (95% CI 63.45-81.33), respectively. Overall accuracy calculated by AUROC curve was 0.39 (95% CI 0.3-0.47). CONCLUSION PHS performance results of our study on detecting clinically significant prostate cancer were insufficient to include this ultrasound-guided diagnostic test as standard diagnostic tool.PURPOSE Prostate cancer is considered to be one of the most common cancers in men and as such there is a pressing need for finding new therapeutic agents to treat this disease. Therefore, the main purpose of the current research work was to study the anticancer effects of a naturally occurring coumarin- Auraptenol- against drug-resistant human prostate cancer cells and evaluate its effects on programmed cell death, reactive oxygen species (ROS) production, and JNK/p38 MAPK signalling pathway. METHODS Cell proliferation was examined by CCK8 cell viability assay. Apoptosis-related studies were checked by fluorescent microscopy using acridine orange (AO)/ethidium bromide (EB) and Hoechst staining, as well as flow cytometry using annexin V/propidium iodide (PI) assay. Western blot was used to study the effects of Auraptenol on apoptosis-related protein expressions including Bax, Bcl-2, as well as JNK/p38 MAPK signalling pathway. ROS production was evaluated by flow cytometry. RESULTS The results showed that Auraptenol caused significant reduction in the viability of the human LNCaP prostate carcinoma cells in a dose-dependent manner, exhibiting an IC50 of 25 µM in cancer cells and IC50 of 100 µM in normal PNT2 cells. The AO/EB staining assay showed that Auraptenol inhibited the viability of cancer cells via induction of apoptotic cell death, which was associated with increase in Bax and decrease in Bcl-2 levels. Hoechst staining results also confirmed that Auraptenol induced programmed cell death. The apoptotic cells increased from 0.8% in the control to 32.5% in the study group at 50 µM concentration of Auraptenol. Auraptenol also induced an increase in ROS production in a dose-dependent manner. Finally, this molecule blocked the JNK/p38 MAPK signal pathway concentration-dependently in human prostate cancer cells. CONCLUSION In conclusion, the current study indicates that this molecule could be developed as a potential anticancer drug against human prostate carcinoma provided further studies are carried out.PURPOSE To explore the relationships of pain in pancreatic cancer patients with pathological stage and expressions of nuclear factor-κB (NF-κB) and cyclooxygenase-2 (COX-2). METHODS A total of 54 patients with pancreatic cancer were enrolled to evaluate the pain before treatment, detect the expressions of NF-κB and COX-2, an inflammatory mediator, in tumor tissues by the immunohistochemical method and analyze their relationships with the pain in these patients. RESULTS The expressions of NF-κB and COX-2 varied obviously among pancreatic cancer patients with different degrees of pain, and as the pain was aggravated, the patients had raised expressions of NF-κB and COX-2 in tumor tissues (p less then 0.05). The degree of pain also differed evidently among the patients at different tumor node metastasis (TNM) stages, and the higher the pathological stage, the higher the degree of pain in patients (p less then 0.05). The pain score of patients was positively correlated with the expressions of NF-κB and COX-2 (p less then 0.
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  • 011; 95% confidence interval [CI] 1.942-3.985; p = 0.012), higher in the IR group than in the CR group (aHR 2.051; 95% CI 1.216-4.183; p = 0.043), and higher in the C-PCI group than in the CR group (aHR 2.099; 95% CI 1.237-3.564; p = 0.006). CONCLUSIONS Regarding the higher cumulative incidence of non-TVR, M-PCI and CR were preferred compared to C-PCI or IR in patients with NSTEMI and MVD. However, further randomized studies are required to confirm these findings. An item-method directed forgetting task was used in three studies to present photographs of happy, neutral and sad faces to participants who had been induced to adopt a happy, neutral or sad mood. At test remember, forget or new judgments of old and new photographs of happy, neutral or sad faces were collected. According to the affect-as-cognitive-feedback hypothesis positively valenced stimuli serve as 'go signals' validating the use of currently accessible cognitions to process task demands whereas negatively valenced stimuli serve as 'stop signals' inhibiting or reversing the use of those cognitions. Since directed forgetting tasks entail the cognitions (among others) that some stimuli should be remembered and others should be forgotten, happy faces should facilitate task demands whereas sad faces should not. As predicted, directed forgetting effects were found for happy but not sad faces in Experiments 1 and 3, and directed forgetting effects were found neutral valenced faces in Experiment 2. Across all three studies mood state did not influence directed forgetting. Findings are discussed in terms of the effects of facial valence cues on directed forgetting and some directions for future research. In this study, the influence of multi-frequency ultrasound irradiation on the functional properties and structural characteristics of gluten, as well as the textural and cooking characteristics of the noodles were investigated. Results showed that the textural and cooking characteristics of noodles that contain less gluten pretreated by multi-frequency ultrasonic were ultrasonic frequency dependent. Moreover, the noodles that contain a smaller amount of sonicated gluten could achieve the textural and cooking quality of commercial noodles. There was no significant difference in the cooking and texture characteristics between commercial noodles and noodles with 12%, 11%, and 10% gluten pretreated by single-frequency (40 kHz), dual-frequency (28/40 kHz), and triple-frequency sonication (28/40/80 kHz), respectively. Furthermore, the cavitation efficiency of triple-frequency ultrasound was greater than that of dual-frequency and single-frequency. As the number of ultrasonic frequencies increased, the solubility, wg that with increasing frequency combination increases, the ultrasound effect became more pronounced and protein unfolding increased, thereby impacting the functional properties and the quality of the final product. https://www.selleckchem.com/products/pf-05221304.html This study provided a theoretical basis for the application of multi-frequency ultrasound technology in the modification of gluten protein and noodle processing. BACKGROUND The presence of Programmed Death-Ligand 1 protein (PD-L1) in oral squamous cell carcinoma (OSCC) may indicate an ability to evade immune response and has been suggested as a prognostic marker, but there is controversy in the literature. OBJECTIVE To review the scientific evidence of a prognostic role for PD-L1 levels in OSCC. METHODS PubMed, Embase, Web of Science, and Scopus were searched for studies published on or before March 02, 2019. Studies measuring PD-L1 levels by immunohistochemistry (IHC) in OSCC were included. Study quality was assessed using the QUIPS tool. Meta-analysis was performed for survival outcomes and clinic-pathological parameters. RESULTS 26 articles were included comprising 2532 patients. Analysis of studies measuring PD-L1 expression in the cell membrane showed a worse prognosis for disease-specific survival (HR = 1.74, 95% CI = 1.14-2.66, p = 0.01) and disease-free survival (HR = 1.56, 95% CI = 1.16-2.09, p = 0.003). PD-L1 overexpression was more likely in females (OR = 0.69, 95% CI = 0.53-0.91, p = 0.008), non-smokers (OR = 0.45, 95% CI = 0.27-0.75, p = 0.002), non-drinkers (OR = 0.40, 95% CI = 0.16-0.97, p = 0.04), advance stage tumours (OR = 1.63, 95% CI = 1.00-2.64, p = 0.05) and in tumours with high levels of PD-1 (OR = 33.36, 95% CI = 1.88-591.69, p = 0.02), CD4+ (OR = 3.25, 95% CI = 1.36-7.76, p = 0.008) and CD8+ (OR = 3.63 , 95% CI = 1.20-10.99, p = 0.02). CONCLUSION This meta-analysis found a worse prognosis in OSCCs overexpressing PD-L1 in the cell membrane as measured by disease specific survival and disease-free survival. We also found positive correlations between PD-L1 overexpression and advanced tumours, females, non-smokers, non-drinkers and high levels of tumour PD-1, CD4, and CD8. BACKGROUND AND OBJECTIVES Squamous cell carcinoma of head and neck (SCCHN) is the fifth most prevalent cancer worldwide. Because the anatomical complexity of this region, complete surgical resection is often not achievable and conventional chemotherapy would aid locoregional control and mitigate distant metastasis. Nonetheless, the nonspecific cytotoxicity and short in vivo half-life of conventional chemotherapeutic drugs limit their effects. Given the high frequency of overexpression of wild type epidermal growth factor receptor (EGFR), we exploit EGFR as a homing beacon for drug delivery system with cytotoxic payloads. MATERIALS AND METHODS We generated fully human anti-EGFR single chain variable fragment (scFv)-conjugated immunoliposomes (IL) containing doxorubicin and vinorelbine and tested their anti-neoplastic efficacy in vitro and in vivo. RESULT Our IL enhanced endocytosis and significantly reduced the half maximal inhibitory concentrations of the therapeutic payloads when compared to non-targeting liposomal counterparts in various cell lines of SCCHN. Furthermore, median survival time was significantly prolonged in subcutaneous and orthotopic SCCHN xenograft murine models treated with our IL formulations than those treated with non-targeting counterparts (94 days versus 60 days and 72 days versus 56 days, respectively) without evident increased systemic toxicity. CONCLUSION The therapeutic index of the chemotherapeutic payloads was augmented by our EFGR-targeting IL formulation and they are warranted for further development and preclinical trial.
    011; 95% confidence interval [CI] 1.942-3.985; p = 0.012), higher in the IR group than in the CR group (aHR 2.051; 95% CI 1.216-4.183; p = 0.043), and higher in the C-PCI group than in the CR group (aHR 2.099; 95% CI 1.237-3.564; p = 0.006). CONCLUSIONS Regarding the higher cumulative incidence of non-TVR, M-PCI and CR were preferred compared to C-PCI or IR in patients with NSTEMI and MVD. However, further randomized studies are required to confirm these findings. An item-method directed forgetting task was used in three studies to present photographs of happy, neutral and sad faces to participants who had been induced to adopt a happy, neutral or sad mood. At test remember, forget or new judgments of old and new photographs of happy, neutral or sad faces were collected. According to the affect-as-cognitive-feedback hypothesis positively valenced stimuli serve as 'go signals' validating the use of currently accessible cognitions to process task demands whereas negatively valenced stimuli serve as 'stop signals' inhibiting or reversing the use of those cognitions. Since directed forgetting tasks entail the cognitions (among others) that some stimuli should be remembered and others should be forgotten, happy faces should facilitate task demands whereas sad faces should not. As predicted, directed forgetting effects were found for happy but not sad faces in Experiments 1 and 3, and directed forgetting effects were found neutral valenced faces in Experiment 2. Across all three studies mood state did not influence directed forgetting. Findings are discussed in terms of the effects of facial valence cues on directed forgetting and some directions for future research. In this study, the influence of multi-frequency ultrasound irradiation on the functional properties and structural characteristics of gluten, as well as the textural and cooking characteristics of the noodles were investigated. Results showed that the textural and cooking characteristics of noodles that contain less gluten pretreated by multi-frequency ultrasonic were ultrasonic frequency dependent. Moreover, the noodles that contain a smaller amount of sonicated gluten could achieve the textural and cooking quality of commercial noodles. There was no significant difference in the cooking and texture characteristics between commercial noodles and noodles with 12%, 11%, and 10% gluten pretreated by single-frequency (40 kHz), dual-frequency (28/40 kHz), and triple-frequency sonication (28/40/80 kHz), respectively. Furthermore, the cavitation efficiency of triple-frequency ultrasound was greater than that of dual-frequency and single-frequency. As the number of ultrasonic frequencies increased, the solubility, wg that with increasing frequency combination increases, the ultrasound effect became more pronounced and protein unfolding increased, thereby impacting the functional properties and the quality of the final product. https://www.selleckchem.com/products/pf-05221304.html This study provided a theoretical basis for the application of multi-frequency ultrasound technology in the modification of gluten protein and noodle processing. BACKGROUND The presence of Programmed Death-Ligand 1 protein (PD-L1) in oral squamous cell carcinoma (OSCC) may indicate an ability to evade immune response and has been suggested as a prognostic marker, but there is controversy in the literature. OBJECTIVE To review the scientific evidence of a prognostic role for PD-L1 levels in OSCC. METHODS PubMed, Embase, Web of Science, and Scopus were searched for studies published on or before March 02, 2019. Studies measuring PD-L1 levels by immunohistochemistry (IHC) in OSCC were included. Study quality was assessed using the QUIPS tool. Meta-analysis was performed for survival outcomes and clinic-pathological parameters. RESULTS 26 articles were included comprising 2532 patients. Analysis of studies measuring PD-L1 expression in the cell membrane showed a worse prognosis for disease-specific survival (HR = 1.74, 95% CI = 1.14-2.66, p = 0.01) and disease-free survival (HR = 1.56, 95% CI = 1.16-2.09, p = 0.003). PD-L1 overexpression was more likely in females (OR = 0.69, 95% CI = 0.53-0.91, p = 0.008), non-smokers (OR = 0.45, 95% CI = 0.27-0.75, p = 0.002), non-drinkers (OR = 0.40, 95% CI = 0.16-0.97, p = 0.04), advance stage tumours (OR = 1.63, 95% CI = 1.00-2.64, p = 0.05) and in tumours with high levels of PD-1 (OR = 33.36, 95% CI = 1.88-591.69, p = 0.02), CD4+ (OR = 3.25, 95% CI = 1.36-7.76, p = 0.008) and CD8+ (OR = 3.63 , 95% CI = 1.20-10.99, p = 0.02). CONCLUSION This meta-analysis found a worse prognosis in OSCCs overexpressing PD-L1 in the cell membrane as measured by disease specific survival and disease-free survival. We also found positive correlations between PD-L1 overexpression and advanced tumours, females, non-smokers, non-drinkers and high levels of tumour PD-1, CD4, and CD8. BACKGROUND AND OBJECTIVES Squamous cell carcinoma of head and neck (SCCHN) is the fifth most prevalent cancer worldwide. Because the anatomical complexity of this region, complete surgical resection is often not achievable and conventional chemotherapy would aid locoregional control and mitigate distant metastasis. Nonetheless, the nonspecific cytotoxicity and short in vivo half-life of conventional chemotherapeutic drugs limit their effects. Given the high frequency of overexpression of wild type epidermal growth factor receptor (EGFR), we exploit EGFR as a homing beacon for drug delivery system with cytotoxic payloads. MATERIALS AND METHODS We generated fully human anti-EGFR single chain variable fragment (scFv)-conjugated immunoliposomes (IL) containing doxorubicin and vinorelbine and tested their anti-neoplastic efficacy in vitro and in vivo. RESULT Our IL enhanced endocytosis and significantly reduced the half maximal inhibitory concentrations of the therapeutic payloads when compared to non-targeting liposomal counterparts in various cell lines of SCCHN. Furthermore, median survival time was significantly prolonged in subcutaneous and orthotopic SCCHN xenograft murine models treated with our IL formulations than those treated with non-targeting counterparts (94 days versus 60 days and 72 days versus 56 days, respectively) without evident increased systemic toxicity. CONCLUSION The therapeutic index of the chemotherapeutic payloads was augmented by our EFGR-targeting IL formulation and they are warranted for further development and preclinical trial.
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  • EM243 can be considered as a diagnostic biomarker (area under the curve = 0.694; sensitivity, 80 %; specificity, 56 %; P  less then  0.018). CONCLUSION TMEM243 was distinctly upregulated in the blood samples of patients with PD, as validated via RT-qPCR, and was highly sensitive, revealing its potential as a biomarker for the future diagnosis of PD. Shh/Gli1 signaling plays important roles in development of spinal cord. How it is involved in spinal cord injury (SCI) remains unclear. In this study, we explored the roles of Shh/Gli1 signaling in SCI by using Shh signaling reporter Gli1lz **** and Gli1 mutant Gli1lz/lz ****. For detecting the Shh/Gli1 signaling after SCI, X-gal staining and double-immunostaining of Shh/PDGFR-β, Shh/GFAP and LacZ/GFAP was conducted at 3 days post injury (dpi) on Gli1lz ****. To investigate the effects of Gli1 mutation on pathological changes after SCI, astrocytic proliferation and the content of intra-parenchymal Evans Blue were evaluated at 7dpi in wild-type and Gli1lz/lz ****. Furthermore, locomotor recovery was assessed by BMS scoring at 1, 3, 5 and 7dpi. The results of X-gal staining and immunohistochemistry showed that Shh/Gli1 signaling was mainly activated in reactive astrocytes after SCI. The 5-bromo-2-deoxyuridine (BrdU) incorporation assay showed that mutation of Gli1 did not affect the proliferation of astrocytes. However, the leakage of Evans Blue was significantly increased in the injured cord of Gli1lz/lz **** compared to wild-type ****. In addition, locomotor recovery was significantly impaired in the Gli1lz/lz ****. The findings demonstrated that Shh/Gli1 signaling could be induced in reactive astrocytes by SCI, and plays important role in permeability of blood-spinal cord barrier (****) and locomotor recovery after SCI. CONTEXT The disparity between gaps in workforce and availability of palliative care (PC) services is an increasing issue in health care. To meet the demand, team-based PC requires additional educational training for all clinicians caring for persons with serious illness. OBJECTIVE To describe the educational methodology and evaluation of an existing regional, interdisciplinary PC training program that was expanded to include chaplain and social worker trainees. METHODS From 2015-2017 twenty-six social workers, chaplains, physicians, nurses and advanced practice providers representing 22 health systems completed a two-year training program. The curriculum was comprised of bi-annual interdisciplinary conferences, individualized mentoring and clinical shadowing, self-directed e-learning, and profession-focused seminar series for social workers and chaplains. Site-specific practice improvement projects were developed to address gaps in PC at participating sites. RESULTS Palliative care and program development skills were self-assessed pre and post training. Among 12 skills common to all disciplines, trainees reported significant increases in confidence across all 12, and significant increases in frequency of performing 11 of 12 skills. Qualitative evaluation identified a myriad of program strengths and challenges regarding the educational format, mentoring, and networking across disciplines. CONCLUSIONS Teaching PC and program development knowledge and skills to an interdisciplinary, regional cohort of practicing clinicians yielded improvements in clinical skills, implementation of practice change projects, and a sense of belonging to a supportive professional network. Symptom management and skilled communication with patients and families are essential clinical services in the midst of the COVID-19 pandemic. While palliative care specialists have training in these skills, many front-line clinicians from other specialties do not. It is imperative that all clinicians responding to the COVID-19 crisis have access to clinical tools to support symptom management and difficult patient and family communication. CONTEXT Limited studies have identified symptom clusters (SCs) and their risk factors and the relationships with inflammatory biomarkers in patients with acute exacerbation of chronic obstructive pulmonary disease (AECOPD). OBJECTIVES In this study, we aimed to investigate SCs in patients with AECOPD and explore their influencing factors and relationships with inflammatory biomarkers. METHODS Data were collected with sociodemographic and disease information questionnaires, and symptoms were measured with the Revised Memorial Symptom Assessment Scale. SCs were extracted through exploratory factor analysis. Logistic regression analysis was conducted to explore the risk factors of SCs. RESULTS A total of 151 patients were recruited. https://www.selleckchem.com/products/fadraciclib.html Two SCs, namely, emotional and respiratory functional SCs, were identified. Logistic regression analysis showed that individuals with high C-reactive protein level, Charlson Comorbidity Index score, and high Modified Medical Research Council Dyspnea Scale score were more likely to belong to the high-severity symptom subgroup than to the low-severity symptom group in the emotional SC. The patients with a low body mass index and without or lax inhaled drug therapy exhibited highly prominent predictors of membership in the high-severity symptom group of the respiratory function SC. CONCLUSION Symptoms experienced by patients with AECOPD were grouped into specific clusters. Targeted interventions should be performed based on SCs, and influencing factors and biological mechanisms should be considered when providing individualized approaches and interventions. CONTEXT The COVID-19 pandemic created a rapid and unprecedented shift in our medical system. Medical providers, teams, and organizations have needed to shift their visits away from face-to-face visits and toward telehealth (both by phone and through video). Palliative care teams who practice in the community setting are faced with a difficult task How do we actively triage the most urgent visits while keeping our vulnerable patients safe from the pandemic? MEASURES The following are recommendations created by the Palo Alto Medical Foundation Palliative Care and Support Services team to help triage and coordinate for timely, safe, and effective palliative care in the community and outpatient setting during the ongoing COVID-19 pandemic. Patients are initially triaged based on location followed by acuity. Interdisciplinary care is implemented using strict infection control guidelines in the setting of limited personal protective equipment (PPE) resources. We implement thorough screening for COVID-19 symptoms at multiple levels before a patient is seen by a designated provider.
    EM243 can be considered as a diagnostic biomarker (area under the curve = 0.694; sensitivity, 80 %; specificity, 56 %; P  less then  0.018). CONCLUSION TMEM243 was distinctly upregulated in the blood samples of patients with PD, as validated via RT-qPCR, and was highly sensitive, revealing its potential as a biomarker for the future diagnosis of PD. Shh/Gli1 signaling plays important roles in development of spinal cord. How it is involved in spinal cord injury (SCI) remains unclear. In this study, we explored the roles of Shh/Gli1 signaling in SCI by using Shh signaling reporter Gli1lz mice and Gli1 mutant Gli1lz/lz mice. For detecting the Shh/Gli1 signaling after SCI, X-gal staining and double-immunostaining of Shh/PDGFR-β, Shh/GFAP and LacZ/GFAP was conducted at 3 days post injury (dpi) on Gli1lz mice. To investigate the effects of Gli1 mutation on pathological changes after SCI, astrocytic proliferation and the content of intra-parenchymal Evans Blue were evaluated at 7dpi in wild-type and Gli1lz/lz mice. Furthermore, locomotor recovery was assessed by BMS scoring at 1, 3, 5 and 7dpi. The results of X-gal staining and immunohistochemistry showed that Shh/Gli1 signaling was mainly activated in reactive astrocytes after SCI. The 5-bromo-2-deoxyuridine (BrdU) incorporation assay showed that mutation of Gli1 did not affect the proliferation of astrocytes. However, the leakage of Evans Blue was significantly increased in the injured cord of Gli1lz/lz mice compared to wild-type mice. In addition, locomotor recovery was significantly impaired in the Gli1lz/lz mice. The findings demonstrated that Shh/Gli1 signaling could be induced in reactive astrocytes by SCI, and plays important role in permeability of blood-spinal cord barrier (BSCB) and locomotor recovery after SCI. CONTEXT The disparity between gaps in workforce and availability of palliative care (PC) services is an increasing issue in health care. To meet the demand, team-based PC requires additional educational training for all clinicians caring for persons with serious illness. OBJECTIVE To describe the educational methodology and evaluation of an existing regional, interdisciplinary PC training program that was expanded to include chaplain and social worker trainees. METHODS From 2015-2017 twenty-six social workers, chaplains, physicians, nurses and advanced practice providers representing 22 health systems completed a two-year training program. The curriculum was comprised of bi-annual interdisciplinary conferences, individualized mentoring and clinical shadowing, self-directed e-learning, and profession-focused seminar series for social workers and chaplains. Site-specific practice improvement projects were developed to address gaps in PC at participating sites. RESULTS Palliative care and program development skills were self-assessed pre and post training. Among 12 skills common to all disciplines, trainees reported significant increases in confidence across all 12, and significant increases in frequency of performing 11 of 12 skills. Qualitative evaluation identified a myriad of program strengths and challenges regarding the educational format, mentoring, and networking across disciplines. CONCLUSIONS Teaching PC and program development knowledge and skills to an interdisciplinary, regional cohort of practicing clinicians yielded improvements in clinical skills, implementation of practice change projects, and a sense of belonging to a supportive professional network. Symptom management and skilled communication with patients and families are essential clinical services in the midst of the COVID-19 pandemic. While palliative care specialists have training in these skills, many front-line clinicians from other specialties do not. It is imperative that all clinicians responding to the COVID-19 crisis have access to clinical tools to support symptom management and difficult patient and family communication. CONTEXT Limited studies have identified symptom clusters (SCs) and their risk factors and the relationships with inflammatory biomarkers in patients with acute exacerbation of chronic obstructive pulmonary disease (AECOPD). OBJECTIVES In this study, we aimed to investigate SCs in patients with AECOPD and explore their influencing factors and relationships with inflammatory biomarkers. METHODS Data were collected with sociodemographic and disease information questionnaires, and symptoms were measured with the Revised Memorial Symptom Assessment Scale. SCs were extracted through exploratory factor analysis. Logistic regression analysis was conducted to explore the risk factors of SCs. RESULTS A total of 151 patients were recruited. https://www.selleckchem.com/products/fadraciclib.html Two SCs, namely, emotional and respiratory functional SCs, were identified. Logistic regression analysis showed that individuals with high C-reactive protein level, Charlson Comorbidity Index score, and high Modified Medical Research Council Dyspnea Scale score were more likely to belong to the high-severity symptom subgroup than to the low-severity symptom group in the emotional SC. The patients with a low body mass index and without or lax inhaled drug therapy exhibited highly prominent predictors of membership in the high-severity symptom group of the respiratory function SC. CONCLUSION Symptoms experienced by patients with AECOPD were grouped into specific clusters. Targeted interventions should be performed based on SCs, and influencing factors and biological mechanisms should be considered when providing individualized approaches and interventions. CONTEXT The COVID-19 pandemic created a rapid and unprecedented shift in our medical system. Medical providers, teams, and organizations have needed to shift their visits away from face-to-face visits and toward telehealth (both by phone and through video). Palliative care teams who practice in the community setting are faced with a difficult task How do we actively triage the most urgent visits while keeping our vulnerable patients safe from the pandemic? MEASURES The following are recommendations created by the Palo Alto Medical Foundation Palliative Care and Support Services team to help triage and coordinate for timely, safe, and effective palliative care in the community and outpatient setting during the ongoing COVID-19 pandemic. Patients are initially triaged based on location followed by acuity. Interdisciplinary care is implemented using strict infection control guidelines in the setting of limited personal protective equipment (PPE) resources. We implement thorough screening for COVID-19 symptoms at multiple levels before a patient is seen by a designated provider.
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  • 01). The serum T level was negatively correlated with the expression of P2X1, P2X2 and P2X3 in the corpus cavernosum. Low androgen level inhibits erectile function by up-regulating the expression of P2X1, P2X2, P2X3 and RhoA/Rho-kinase resulting in reducing the ratio of p-eNOS/eNOS and the level of NO in corpus cavernosum of rats. © 2020 Blackwell Verlag GmbH.AIM Previous studies suggest that the use of low-dose aspirin before a colorectal cancer (CRC) diagnosis may be associated with a decreased risk of CRC progression. Data supporting this association, however, have been inconsistent. We evaluate whether the use of pre-diagnostic low-dose aspirin is associated with a lower risk of metastases and all-cause mortality in CRC patients. METHODS Using a large Italian population-based primary care database, we identified a cohort of 7478 patients newly diagnosed with non-metastatic CRC between 2000 and 2013. Use of pre-diagnostic low-dose aspirin was modelled as a time-varying variable and compared with no use of low-dose aspirin. Cox proportional hazards models were used to estimate adjusted hazard ratios (HRs) with 95% confidence intervals (CIs) of incident metastasis and of all-cause mortality associated with pre-diagnostic low-dose aspirin use, both overall and by duration of use. RESULTS There were 314 incident metastatic events and 2189 deaths during a mean follow-up time of 4.4 and 4.7 years, respectively. Overall pre-diagnostic use of low-dose aspirin was not associated with a decreased risk of incident metastasis (HR 0.88; 95% CI 0.63-1.22) or all-cause mortality (HR 1.09; 95% CI 0.96-1.22) in CRC patients. Cumulative duration of aspirin use was not associated with a decreased risk of incident metastasis (p-trend=0.22) or all-cause mortality (p-trend=0.38). These findings remained consistent in sensitivity analyses. CONCLUSION In this real-world, population-based study, the pre-diagnostic use of low-dose aspirin was not associated with a decreased risk of incident metastasis or all-cause mortality in CRC patients. This article is protected by copyright. All rights reserved.Sex chromosome abnormality (SCA) is one of the major causes of male spermatogenesis dysfunction. In our study, we sought to investigate the novel X chromosome inversion leading to severe oligozoospermia. Here, we report two brothers with severe oligozoospermia without any other abnormal clinical phenotype. The chromosome karyotypes in peripheral blood of both brothers were 46, Y, inv (X) (p22.3, q22), and no Y chromosome microdeletion was found. The karyotype of their mother was 46, X, inv (X) (p22.3, q22) and that of their father was 46, XY. This is the first report in China that X chromosomal inversion, 46, Y, inv (X) (p22.3, q22), is associated with severe oligozoospermia. This inversion may be a direct genetic risk factor for spermatogenesis. © 2020 Blackwell Verlag GmbH.BACKGROUND Although previous studies evaluated the association of maternal health parameters with neonatal adiposity, little is known regarding the complexity of the relationships among different maternal health parameters throughout pregnancy and its impact on neonatal adiposity. OBJECTIVES To evaluate the direct and indirect associations between maternal insulin resistance during pregnancy, in women with obesity, and neonatal adiposity. https://www.selleckchem.com/products/glutathione.html In addition, associations between maternal fasting glucose, triglycerides (TG), non-esterified fatty acids (NEFA), and neonatal adiposity were also assessed. METHODS This is a longitudinal, secondary analysis of the DALI study, an international project conducted in nine European countries with pregnant women with obesity. Maternal insulin resistance (HOMA-IR), fasting glucose, TG, and NEFA were measured three times during pregnancy ( less then 20, 24-28, and 35-37 weeks of gestation). Offspring neonatal adiposity was estimated by the sum of four skinfolds. Structural equation modelling was conducted to evaluate the direct and indirect relationships among the variables of interest. RESULTS Data on 657 mother-infant pairs (50.7% boys) were analysed. Neonatal boys exhibited lower mean sum of skinfolds compared to girls (20.3 mm, 95% CI 19.7, 21.0 vs 21.5 mm, 95% CI 20.8, 22.2). In boys, maternal HOMA-IR at less then 20 weeks was directly associated with neonatal adiposity (β = 0.35 mm, 95% CI 0.01, 0.70). In girls, maternal HOMA-IR at 24-28 weeks was only indirectly associated with neonatal adiposity, which implies that this association was mediated via maternal HOMA-IR, glucose, triglycerides, and NEFA during pregnancy (β = 0.26 mm, 95% CI 0.08, 0.44). CONCLUSIONS The timing of the role of maternal insulin resistance on neonatal adiposity depends on fetal sex. Although the association was time-dependent, maternal insulin resistance was associated with neonatal adiposity in both sexes. © 2020 The Authors. Paediatric and Perinatal Epidemiology published by John Wiley & Sons Ltd.This study examined the relationship between oxidation-reduction potential (ORP) in frozen-thawed semen and the post-thaw sperm parameters. Levels of ORP were measured in 25 samples from men presenting for routine infertility work-up and were expressed as millivolt (mV)/106 sperm/ml. Frozen-thawed samples were examined for post-thaw total motility (TM%), progressive motility (PM%), total sperm count (TSC) and ORP. The cryo-survival rate (CSR) was calculated as post-thaw TM/pre-freeze TM × 100. Data are provided as median and interquartile range (25th and 75th percentiles). The post-thaw TM% (10.0% [4.00%, 15.1%]), PM% (5.88% [2.97%, 9.33%]) and TSC (12.5 [10.0, 17.5] × 106 sperm) were significantly lower than the pre-freeze TM% (45.9% [32.9%, 59.1%], PM% (31.5% [24.4%, 40.0%] and TSC (120 [90, 250] ×106 sperm) (p  less then  .001). Post-thaw ORP (2.62 [2.52, 3.13] mV/106 sperm/ml) was significantly higher than pre-freeze ORP (0.73 [0.54, 1.21] mV/106 sperm/ml; p  less then  .001). The CSR was 21.7% (11.3%, 31.9%). The post-thaw seminal ORP was negatively correlated with post-thaw TM% (r = -.5; p = .02), PM% (r = -.41; p = .03), TSC (r = -.60; p = .03) and CSR (r = -.52; p = .01). Increased levels of ORP are significantly correlated with poor post-thaw sperm quality and CSR. © 2020 Blackwell Verlag GmbH.
    01). The serum T level was negatively correlated with the expression of P2X1, P2X2 and P2X3 in the corpus cavernosum. Low androgen level inhibits erectile function by up-regulating the expression of P2X1, P2X2, P2X3 and RhoA/Rho-kinase resulting in reducing the ratio of p-eNOS/eNOS and the level of NO in corpus cavernosum of rats. © 2020 Blackwell Verlag GmbH.AIM Previous studies suggest that the use of low-dose aspirin before a colorectal cancer (CRC) diagnosis may be associated with a decreased risk of CRC progression. Data supporting this association, however, have been inconsistent. We evaluate whether the use of pre-diagnostic low-dose aspirin is associated with a lower risk of metastases and all-cause mortality in CRC patients. METHODS Using a large Italian population-based primary care database, we identified a cohort of 7478 patients newly diagnosed with non-metastatic CRC between 2000 and 2013. Use of pre-diagnostic low-dose aspirin was modelled as a time-varying variable and compared with no use of low-dose aspirin. Cox proportional hazards models were used to estimate adjusted hazard ratios (HRs) with 95% confidence intervals (CIs) of incident metastasis and of all-cause mortality associated with pre-diagnostic low-dose aspirin use, both overall and by duration of use. RESULTS There were 314 incident metastatic events and 2189 deaths during a mean follow-up time of 4.4 and 4.7 years, respectively. Overall pre-diagnostic use of low-dose aspirin was not associated with a decreased risk of incident metastasis (HR 0.88; 95% CI 0.63-1.22) or all-cause mortality (HR 1.09; 95% CI 0.96-1.22) in CRC patients. Cumulative duration of aspirin use was not associated with a decreased risk of incident metastasis (p-trend=0.22) or all-cause mortality (p-trend=0.38). These findings remained consistent in sensitivity analyses. CONCLUSION In this real-world, population-based study, the pre-diagnostic use of low-dose aspirin was not associated with a decreased risk of incident metastasis or all-cause mortality in CRC patients. This article is protected by copyright. All rights reserved.Sex chromosome abnormality (SCA) is one of the major causes of male spermatogenesis dysfunction. In our study, we sought to investigate the novel X chromosome inversion leading to severe oligozoospermia. Here, we report two brothers with severe oligozoospermia without any other abnormal clinical phenotype. The chromosome karyotypes in peripheral blood of both brothers were 46, Y, inv (X) (p22.3, q22), and no Y chromosome microdeletion was found. The karyotype of their mother was 46, X, inv (X) (p22.3, q22) and that of their father was 46, XY. This is the first report in China that X chromosomal inversion, 46, Y, inv (X) (p22.3, q22), is associated with severe oligozoospermia. This inversion may be a direct genetic risk factor for spermatogenesis. © 2020 Blackwell Verlag GmbH.BACKGROUND Although previous studies evaluated the association of maternal health parameters with neonatal adiposity, little is known regarding the complexity of the relationships among different maternal health parameters throughout pregnancy and its impact on neonatal adiposity. OBJECTIVES To evaluate the direct and indirect associations between maternal insulin resistance during pregnancy, in women with obesity, and neonatal adiposity. https://www.selleckchem.com/products/glutathione.html In addition, associations between maternal fasting glucose, triglycerides (TG), non-esterified fatty acids (NEFA), and neonatal adiposity were also assessed. METHODS This is a longitudinal, secondary analysis of the DALI study, an international project conducted in nine European countries with pregnant women with obesity. Maternal insulin resistance (HOMA-IR), fasting glucose, TG, and NEFA were measured three times during pregnancy ( less then 20, 24-28, and 35-37 weeks of gestation). Offspring neonatal adiposity was estimated by the sum of four skinfolds. Structural equation modelling was conducted to evaluate the direct and indirect relationships among the variables of interest. RESULTS Data on 657 mother-infant pairs (50.7% boys) were analysed. Neonatal boys exhibited lower mean sum of skinfolds compared to girls (20.3 mm, 95% CI 19.7, 21.0 vs 21.5 mm, 95% CI 20.8, 22.2). In boys, maternal HOMA-IR at less then 20 weeks was directly associated with neonatal adiposity (β = 0.35 mm, 95% CI 0.01, 0.70). In girls, maternal HOMA-IR at 24-28 weeks was only indirectly associated with neonatal adiposity, which implies that this association was mediated via maternal HOMA-IR, glucose, triglycerides, and NEFA during pregnancy (β = 0.26 mm, 95% CI 0.08, 0.44). CONCLUSIONS The timing of the role of maternal insulin resistance on neonatal adiposity depends on fetal sex. Although the association was time-dependent, maternal insulin resistance was associated with neonatal adiposity in both sexes. © 2020 The Authors. Paediatric and Perinatal Epidemiology published by John Wiley & Sons Ltd.This study examined the relationship between oxidation-reduction potential (ORP) in frozen-thawed semen and the post-thaw sperm parameters. Levels of ORP were measured in 25 samples from men presenting for routine infertility work-up and were expressed as millivolt (mV)/106 sperm/ml. Frozen-thawed samples were examined for post-thaw total motility (TM%), progressive motility (PM%), total sperm count (TSC) and ORP. The cryo-survival rate (CSR) was calculated as post-thaw TM/pre-freeze TM × 100. Data are provided as median and interquartile range (25th and 75th percentiles). The post-thaw TM% (10.0% [4.00%, 15.1%]), PM% (5.88% [2.97%, 9.33%]) and TSC (12.5 [10.0, 17.5] × 106 sperm) were significantly lower than the pre-freeze TM% (45.9% [32.9%, 59.1%], PM% (31.5% [24.4%, 40.0%] and TSC (120 [90, 250] ×106 sperm) (p  less then  .001). Post-thaw ORP (2.62 [2.52, 3.13] mV/106 sperm/ml) was significantly higher than pre-freeze ORP (0.73 [0.54, 1.21] mV/106 sperm/ml; p  less then  .001). The CSR was 21.7% (11.3%, 31.9%). The post-thaw seminal ORP was negatively correlated with post-thaw TM% (r = -.5; p = .02), PM% (r = -.41; p = .03), TSC (r = -.60; p = .03) and CSR (r = -.52; p = .01). Increased levels of ORP are significantly correlated with poor post-thaw sperm quality and CSR. © 2020 Blackwell Verlag GmbH.
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