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FAS 酒精 神经

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https://www.readbyqxmd.com/read/28919893/ripk3-fas-associated-death-domain-axis-regulates-pulmonary-immunopathology-to-cryptococcal-infection-independent-of-necroptosis
#1
Zhenzong Fa, Qun Xie, Wei Fang, Haibing Zhang, Haiwei Zhang, Jintao Xu, Weihua Pan, Jinhua Xu, Michal A Olszewski, Xiaoming Deng, Wanqing Liao
Fas-associated death domain (FADD) and receptor interacting protein kinase 3 (RIPK3) are multifunctional regulators of cell death and immune response. Using a mouse model of cryptococcal infection, the roles of FADD and RIPK3 in anti-cryptococcal defense were investigated. Deletion of RIPK3 alone led to increased inflammatory cytokine production in the Cryptococcus neoformans-infected lungs, but in combination with FADD deletion, it led to a robust Th1-biased response with M1-biased macrophage activation. Rather than being protective, these responses led to paradoxical C...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28919490/alcohol-exposure-induces-chick-craniofacial-bone-defects-by-negatively-affecting-cranial-neural-crest-development
#2
Ping Zhang, Guang Wang, Zhuangling Lin, Yushi Wu, Jing Zhang, Meng Liu, Kenneth Ka Ho Lee, Manli Chuai, Xuesong Yang
Excess alcohol consumption during pregnancy could lead to fetal alcohol syndrome (FAS). However, the molecular mechanism leading to craniofacial abnormality, a feature of FAS, is still poorly understood. The cranial neural crest cells (NCCs) contribute to the formation of the craniofacial bones. Therefore, NCCs exposed to ethanol was investigated - using chick embryos and in vitro explant culture as experimental models. We demonstrated that exposure to 2% ethanol induced craniofacial defects, which includes parietal defect, in the developing chick fetus...
September 14, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/28918601/effects-of-phoxim-induced-hepatotoxicity-on-sd-rats-and-the-protection-of-vitamin-e
#3
Jing Zhang, Wentao Song, Yuecheng Sun, Anshan Shan
Currently, public pay more attention to the adverse effect of organophosphate pesticides on human and animal health and on the environment in developing nations. Vitamin E may protect the hepatocyte and increase the function of liver. The study was to investigate the effects of phoxim-induced hepatotoxicity on Sprague Dawley (SD) rats and the protection of vitamin E. SD rats received by gavage 180 mg kg(-1) (per body weight) of phoxim, 200 mg kg(-1) (per body weight) of vitamin E, and phoxim + vitamin E...
September 16, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28918416/-the-methodology-and-sample-description-of-the-national-survey-on-addiction-problems-in-hungary-2015-nsaph-2015
#4
Borbala Paksi, Zsolt Demetrovics, Anna Magi, Katalin Felvinczi
This paper introduces the methods and methodological findings of the National Survey on Addiction Problems in Hungary (NSAPH 2015). Use patterns of smoking, alcohol use and other psychoactive substances were measured as well as that of certain behavioural addictions (problematic gambling - PGSI, DSM-V, eating disorders - SCOFF, problematic internet use - PIUQ, problematic on-line gaming - POGO, problematic social media use - FAS, exercise addictions - EAI-HU, work addiction - BWAS, compulsive buying - CBS)...
June 2017: Neuropsychopharmacologia Hungarica
https://www.readbyqxmd.com/read/28915712/formation-function-and-exhaustion-of-notochordal-cytoplasmic-vacuoles-within-intervertebral-disc-current-understanding-and-speculation
#5
REVIEW
Feng Wang, Zeng-Xin Gao, Feng Cai, Arjun Sinkemani, Zhi-Yang Xie, Rui Shi, Ji-Nan Wei, Xiao-Tao Wu
Notochord nucleus pulposus cells are characteristic of containing abundant and giant cytoplasmic vacuoles. This review explores the embryonic formation, biological function, and postnatal exhaustion of notochord vacuoles, aiming to characterize the signal network transforming the vacuolated nucleus pulposus cells into the vacuole-less chondrocytic cells. Embryonically, the cytoplasmic vacuoles within vertebrate notochord originate from an evolutionarily conserved vacuolation process during neurulation, which may continue to provide mechanical and signal support in constructing a mammalian intervertebral disc...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28912461/vimentin-knockout-results-in-increased-expression-of-sub-endothelial-basement-membrane-components-and-carotid-stiffness-in-mice
#6
Benoit Langlois, Ekaterina Belozertseva, Ara Parlakian, Mustapha Bourhim, Jacqueline Gao-Li, Jocelyne Blanc, Lei Tian, Dario Coletti, Carlos Labat, Zhor Ramdame-Cherif, Pascal Challande, Véronique Regnault, Patrick Lacolley, Li Zhenlin
Intermediate filaments are involved in stress-related cell mechanical properties and in plasticity via the regulation of focal adhesions (FAs) and the actomyosin network. We investigated whether vimentin regulates endothelial cells (ECs) and vascular smooth muscle cells (SMCs) and thereby influences vasomotor tone and arterial stiffness. Vimentin knockout mice (Vim(-/-)) exhibited increased expression of laminin, fibronectin, perlecan, collagen IV and VE-cadherin as well as von Willebrand factor deposition in the subendothelial basement membrane...
September 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28903153/colony-stimulating-factor-1-receptor-expressing-cells-infiltrating-the-cornea-control-corneal-nerve-degeneration-in-response-to-hsv-1-infection
#7
Ana J Chucair-Elliott, Hem R Gurung, Meghan M Carr, Daniel J J Carr
Purpose: Herpes simplex virus type-1 (HSV-1) is a leading cause of neurotrophic keratitis, characterized by decreased or absent corneal sensation due to damage to the sensory corneal innervation. We previously reported the elicited immune response to infection contributes to the mechanism of corneal nerve regression/damage during acute HSV-1 infection. Our aim is to further establish the involvement of infiltrated macrophages in the mechanism of nerve loss upon infection. Methods: Macrophage Fas-Induced Apoptosis (MAFIA) transgenic C57BL/6 mice were systemically treated with AP20187 dimerizer or vehicle (VEH), and their corneas, lymph nodes, and blood were assessed for CD45+CD11b+GFP+ cell depletion by flow cytometry (FC)...
September 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28901794/silybin-against-liver-ischemia-reperfusion-injury-something-old-something-new%C3%A2
#8
Mihai Oltean
Ischemia reperfusion injury (IRI) is a life threatening condition that may develop after elective liver surgery or liver transplantation. Numerous surgical and pharmacological approaches have shown varying degrees of protection against liver IRI. A group of protective compounds are the flavonoids but their intestinal absorbtion and bioavailability are low and impredictible. In this issue Tsaroucha et al. reports significantly decreased hepatocellular injury, Fas/FasL expression and inhibited HMGB1 release in rats receiving a hydrosoluble, lyophilized complex of SLB and hydroxypropyl-β-cyclodextrin (SLB-HP-β-CD) intravenously...
September 13, 2017: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
https://www.readbyqxmd.com/read/28900676/free-fatty-acid-receptor-4-mediates-the-beneficial-effects-of-n-3-fatty-acids-on-body-composition-in-mice
#9
Han Jin Cho, Seong Hee Ahn, Young-Sun Lee, Seung Hun Lee, Dong-Soon Im, Inki Kim, Jung-Min Koh, Sungsub Kim, Beom-Jun Kim
As populations continue to age worldwide, sarcopenic obesity has heightened interest due to its medical importance. Although much evidence now indicates that n-3 fatty acids (FAs) may have beneficial effects on body composition including fat and muscle, their exact mechanisms have not yet been elucidated. Because free FA receptor 4 (FFA4) has been reported to be a receptor for n-3 FAs, we hypothesized that the protective role of n-3 FAs on body composition could be mediated by FFA4. To test this possibility, we generated mice overexpressing n-3 FAs but lacking FFA4 by crossing fat-1 transgenic (fat-1 (Tg+)) and FFA4 knockout (Ffar4 (-/-)) mice...
September 12, 2017: Calcified Tissue International
https://www.readbyqxmd.com/read/28899694/anti-atherosclerotic-effect-of-hesperidin-in-ldlr-mice-and-its-possible-mechanism
#10
Ye-Zi Sun, Jian-Fei Chen, Li-Min Shen, Ji Zhou, Cui-Fang Wang
Hesperidin, a citrus bioflavonoid, exerts numerous pharmacological activities. However, its protective effect against atherosclerosis in vivo remains poorly understood. In the present study, we aimed to observe the effects of hesperidin on high fat diet (HFD)-induced atherosclerosis using LDL receptor deficient (LDLr(-/-)) mice. After 12 weeks of treatment, the animals were sacrificed. The blood samples were collected for further analysis. Mouse peritoneal macrophages were collected. Hepatic lipid content, quantification of atherosclerosis, assessment of oxidative stress and inflammation, gene expressions were performed on liver and aorta samples...
September 9, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28898889/chrysotile-causes-human-bronchial-epithelial-cell-apoptosis-in-response-to-the-fas-mediated-apoptosis-pathway
#11
Min Zhang, Junqiang Chen, Zhaoqiang Jiang, Lijin Zhu, Wei Wu, Yun Xiao, Kun Chen
AIMS: Asbestos is harmful to human health. However, the pathogenicity of chrysotile is a controversial matter. This study aimed to investigate the apoptosis of a human bronchial epithelial cell line (BEAS-2B) exposed to chrysotile that may function in part through the Fas death receptor pathway. METHODS: Cultured human BEAS-2B cells were treated with chrysotile and cell viability was evaluated by CCK-8 assay. The induction of cell apoptosis was evaluated by FACS analysis...
September 13, 2017: Pathobiology: Journal of Immunopathology, Molecular and Cellular Biology
https://www.readbyqxmd.com/read/28898698/enhancing-cd8-t-cell-fatty-acid-catabolism-within%C3%A2-a-metabolically-challenging-tumor-microenvironment-increases-the-efficacy-of-melanoma-immunotherapy
#12
Ying Zhang, Raj Kurupati, Ling Liu, Xiang Yang Zhou, Gao Zhang, Abeer Hudaihed, Flavia Filisio, Wynetta Giles-Davis, Xiaowei Xu, Giorgos C Karakousis, Lynn M Schuchter, Wei Xu, Ravi Amaravadi, Min Xiao, Norah Sadek, Clemens Krepler, Meenhard Herlyn, Gordon J Freeman, Joshua D Rabinowitz, Hildegund C J Ertl
How tumor-infiltrating T lymphocytes (TILs) adapt to the metabolic constrains within the tumor microenvironment (TME) and to what degree this affects their ability to combat tumor progression remain poorly understood. Using mouse melanoma models, we report that CD8(+) TILs enhance peroxisome proliferator-activated receptor (PPAR)-α signaling and catabolism of fatty acids (FAs) when simultaneously subjected to hypoglycemia and hypoxia. This metabolic switch partially preserves CD8(+) TILs' effector functions, although co-inhibitor expression increases during tumor progression regardless of CD8(+) TILs' antigen specificity...
September 11, 2017: Cancer Cell
https://www.readbyqxmd.com/read/28895652/quantitative-proteomics-and-targeted-fatty-acids-analysis-reveal-the-damage-of-triptolide-in-liver-and-kidney
#13
Menglin Li, Ting Hu, Cai Tie, Liang Qu, Hao Zheng, Jinlan Zhang
Triptolide (TP), the major active component in Tripterygium wilfordii Hook. f., is widely used for the treatment of rheumatoid arthritis and autoimmune disease. However, organ toxicity, especially hepatotoxicity and nephrotoxicity, limits its clinical application. To fully understand the mechanism underlying TP toxicity, iTRAQ-based 2D-LC-MS/MS proteomics was used to detect differentially expressed proteins in the livers and kidneys of mice administered the LD50 dose of TP. Functional annotation revealed that multiple pathways are involved in TP toxicity, including acute-phase response signaling, the antigen presentation pathway, FXR/RXR activation, LPS/IL-1-mediated inhibition of RXR function and EIF2 signaling...
September 12, 2017: Proteomics
https://www.readbyqxmd.com/read/28895586/maresin-1-mitigates-liver-steatosis-in-ob-ob-and-diet-induced-obese-mice
#14
L M Laiglesia, S Lorente-Cebrián, L Martínez-Fernández, N Sáinz, P L Prieto-Hontoria, M A Burrell, C M Rodríguez-Ortigosa, J A Martínez, M J Moreno-Aliaga
BACKGROUND/OBJECTIVES: The aim of this study was to characterize the effects of Maresin 1 (MaR1) in obesity-related liver steatosis and the mechanisms involved. METHODS: MaR1 effects on fatty liver disease were tested in ob/ob (2-10 μg/kg i.p., 20 days) and in diet-induced obese (DIO) mice (2 μg/kg, i.p., or 50 μg/kg, oral gavage for 10 days), as well as in cultured hepatocytes. RESULTS: In ob/ob mice, MaR1 reduced liver triglycerides (TG) content, fatty acid synthase (FAS) and stearoyl-CoA desaturase-1 protein expression, while increased acetyl-CoA carboxylase (ACC) phosphorylation and LC3II protein expression, in parallel with a drop in p62 levels...
September 12, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28894401/soluble-fas-ligand-as-a-potential-marker-of-severity-of-dengue-infection
#15
Nurfadly Zain, Suhartono Taat Putra, Umar Zein, Herman Hariman
BACKGROUND: The apoptosis of microvascular endothelial cells causes plasma leakage in dengue haemorrhagic fever patients. The soluble Fas ligand is a protein with molecular weight of 40 kDa that acts as a mediator of apoptosis. This study aimed to prove whether soluble Fas ligand can be used as a potential marker to predict the severity of dengue infection by comparing the soluble Fas ligand levels in dengue fever (DF) and dengue haemorrhagic fever (DHF) patients early in the course of illness...
March 2017: Malaysian Journal of Medical Sciences: MJMS
https://www.readbyqxmd.com/read/28891089/molecular-insights-into-the-transcriptional-regulatory-role-of-thyroid-hormones-in-ovarian-cancer
#16
Elena Shinderman-Maman, Chen Weingarten, Dotan Moskovich, Haim Werner, Aleck Hercbergs, Paul J Davis, Martin Ellis, Osnat Ashur-Fabian
The regulation of cancer-relevant genes by the thyroid hormones, 3, 5, 3'-Triiodo-L-thyronine (T3) and L-thyroxine (T4), was recently acknowledged. However, limited data exists on the hormonal effects on gene expression in ovarian cancer, a gynecological malignancy associated with a low cure rate. The expression of fifteen genes involved in DNA repair, cell cycle, apoptosis and tumor suppression was evaluated in OVCAR-3 and A2780 cell lines, using real-time PCR following short incubation with T3 (1nM) or T4 (100nM)...
September 11, 2017: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/28889079/lead-induces-apoptosis-in-mouse-tm3-leydig-cells-through-the-fas-fasl-death-receptor-pathway
#17
Xiuyuan He, Jing Wu, Liyun Yuan, Feng Lin, Jine Yi, Jing Li, Hui Yuan, Jinling Shi, Tingting Yuan, Shufang Zhang, Yongheng Fan, Zhihang Zhao
The study was aimed to investigate the effect of Pb toxicity on mouse Leydig cells and its molecular mechanism. The TM3 cells were cultured in vitro and exposed to Pb at different concentrations for 24h. The effects of Pb on cell proliferation and apoptosis were analyzed with MTT and Annexin V-FITC/PI via flow cytometry, respectively. Expression levels of Fas, Fas-L and caspase-8 in TM3 cells were determined by western blot. As well as the inhibitory effect of the caspase-8 inhibitor Z-IETD-FMK on cell apoptosis...
September 1, 2017: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/28888875/imazalil-exposure-induces-gut-microbiota-dysbiosis-and-hepatic-metabolism-disorder-in-zebrafish
#18
Cuiyuan Jin, Ting Luo, Zhihong Zhu, Zihong Pan, Jiajing Yang, Wenchao Wang, Zhengwei Fu, Yuanxiang Jin
The fungicide imazalil (IMZ) is used extensively to preserve freshness, prevent decay and control fungal infections in fruits, vegetables or other plants. Recently, some studies have reported that the real in aquatic systems have reached very high levels. Here, male adult zebrafish were exposed to 100 and 1000μg/L IMZ for 1, 7, 21days, and the gut microbiota and hepatic metabolism were evaluated. Exposure to a high concentration of IMZ for 21days decreased mucin secretion in the gut. Sequencing of the V3-V4 region of the bacterial 16S rRNA gene revealed a significant increase in the diversity of gut microbiota in male zebrafish...
September 6, 2017: Comparative Biochemistry and Physiology. Toxicology & Pharmacology: CBP
https://www.readbyqxmd.com/read/28888778/mincle-inhibits-neutrophils-and-macrophages-apoptosis-in-a-fumigatus-keratitis
#19
Jing Lin, Kun He, Guiqiu Zhao, Cui Li, Liting Hu, Guoqiang Zhu, Yawen Niu, Guipei Hao
PURPOSE: To determine whether macrophage inducible C-type lectin (Mincle) regulates neutrophils and macrophages apoptosis in A. fumigatus keratitis. MATERIALS AND METHODS: A murine model (C57BL/6) of fungal keratitis (AF) was established by gently scraping corneal central epithelium, smearing A. fumigatus on the epithelium surface and covering the eye with contact lenses. AF cell model was established by extracting neutrophils (PMN) and macrophages, and then infecting cells with A...
September 7, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28887577/periostin-and-its-interacting-proteins-in-the-construction-of-extracellular-architectures
#20
REVIEW
Isao Kii, Harumi Ito
Periostin is a matricellular protein that is composed of a multi-domain structure with an amino-terminal EMI domain, a tandem repeat of four FAS 1 domains, and a carboxyl-terminal domain. These distinct domains have been demonstrated to bind to many proteins including extracellular matrix proteins (Collagen type I and V, fibronectin, tenascin, and laminin), matricellular proteins (CCN3 and βig-h3), and enzymes that catalyze covalent crosslinking between extracellular matrix proteins (lysyl oxidase and BMP-1)...
September 8, 2017: Cellular and Molecular Life Sciences: CMLS
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