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alcohol local regulation

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https://www.readbyqxmd.com/read/29755316/single-ethanol-withdrawal-regulates-extrasynaptic-%C3%AE-gaba-a-receptors-via-pkc%C3%AE-activation
#1
Juan Chen, Yang He, Yan Wu, Hang Zhou, Li-Da Su, Wei-Nan Li, Richard W Olsen, Jing Liang, Yu-Dong Zhou, Yi Shen
Alcohol (ethanol, EtOH) is one of the most widely abused drugs with profound effects on brain function and behavior. GABAA receptors (GABAA Rs) are one of the major targets for EtOH in the brain. Temporary plastic changes in GABAA Rs after withdrawal from a single EtOH exposure occur both in vivo and in vitro , which may be the basis for chronic EtOH addiction, tolerance and withdrawal symptoms. Extrasynaptic δ-GABAA R endocytosis is implicated in EtOH-induced GABAA R plasticity, but the mechanisms by which the relative abundance and localization of specific GABAA Rs are altered by EtOH exposure and withdrawal remain unclear...
2018: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/29752569/widespread-expression-of-perilipin-5-in-normal-human-tissues-and-in-diseases-is-restricted-to-distinct-lipid-droplet-subpopulations
#2
Merita Hashani, Hagen Roland Witzel, Lena Maria Pawella, Judith Lehmann-Koch, Jens Schumacher, Gunhild Mechtersheimer, Martina Schnölzer, Peter Schirmacher, Wilfried Roth, Beate Katharina Straub
Diseases associated with the accumulation of lipid droplets are increasing in western countries. Lipid droplet biogenesis, structure and degradation are regulated by proteins of the perilipin family. Perilipin 5 has been shown to regulate basal lipolysis in oxidative tissues. We examine perilipin 5 in normal human tissues and in diseases using protein biochemical and microscopic techniques. Perilipin 5 was constitutively located at small lipid droplets in skeletal myocytes, cardiomyocytes and brown adipocytes...
May 11, 2018: Cell and Tissue Research
https://www.readbyqxmd.com/read/29746898/two-pore-channels-and-disease
#3
REVIEW
Sandip Patel, Bethan S Kilpatrick
Two-pore channels (TPCs) are Ca2+ -permeable endo-lysosomal ion channels subject to multi-modal regulation. They mediate their physiological effects through releasing Ca2+ from acidic organelles in response to cues such as the second messenger, NAADP. Here, we review emerging evidence linking TPCs to disease. We discuss how perturbing both local and global Ca2+ changes mediated by TPCs through chemical and/or molecular manipulations can induce or reverse disease phenotypes. We cover evidence from models of Parkinson's disease, non-alcoholic fatty liver disease, Ebola infection, cancer, cardiac dysfunction and diabetes...
May 7, 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29738737/iron-economy-in-naegleria-gruberi-reflects-its-metabolic-flexibility
#4
Jan Mach, Jarmila Bíla, Kateřina Ženíšková, Dominik Arbon, Ronald Malych, Marie Glavanakovová, Eva Nývltová, Robert Sutak
Naegleria gruberi is a free-living amoeba, closely related to the human pathogen Naegleria fowleri, the causative agent of the deadly human disease primary amoebic meningoencephalitis. Herein, we investigated the effect of iron limitation on different aspects of N. gruberi metabolism. Iron metabolism is among the most conserved pathways found in all eukaryotes. It includes the delivery, storage and utilization of iron in many cell processes. Nevertheless, most of the iron metabolism pathways of N. gruberi are still not characterized, even though iron balance within the cell is crucial...
May 5, 2018: International Journal for Parasitology
https://www.readbyqxmd.com/read/29710033/methylxanthine-derivative-rich-cacao-extract-suppresses-differentiation-of-adipocytes-through-downregulation-of-ppar%C3%AE-and-c-ebps
#5
Yoko Yamashita, Takakazu Mitani, Liuqing Wang, Hitoshi Ashida
Cacao extract (CE) consumption has beneficial effects on human health, such as lowering the risk of obesity. However, the underlying molecular mechanism for the anti-obesity effect of CE remains incompletely understood. Here, we used a 50% aqueous alcohol extract of cacao mass, which is rich in methylxanthine derivatives (about 11%) and poor in flavan-3-ols (less than 1%), and assessed the suppression effects of this extract on adipocyte differentiation to investigate the anti-obesity mechanism. CE dose-dependently decreased fat accumulation in 3T3-L1 cells without affecting cell viability...
2018: Journal of Nutritional Science and Vitaminology
https://www.readbyqxmd.com/read/29705240/cd36-palmitoylation-disrupts-free-fatty-acid-metabolism-and-promotes-tissue-inflammation-in-non-alcoholic-steatohepatitis
#6
Lei Zhao, Chang Zhang, Xiaoxiao Luo, Pei Wang, Wei Zhou, Shan Zhong, Yunxia Xie, Yibo Jiang, Ping Yang, Renkuang Tang, Qin Pan, Andrew R Hall, Tu Vinh Luong, Jiangao Fan, Zac Varghese, John F Moorhead, Massimo Pinzani, Yaxi Chen, Xiong Z Ruan
BACKGROUND AND AIMS: Fatty acid translocase CD36 (CD36) is a membrane protein with multiple immuno-metabolic functions. Palmitoylation has been suggested to regulate the distribution and functions of CD36, but little is known about its significance in NASH. METHODS: Human liver tissue samples were obtained from patients undergoing liver biopsy for diagnostic purposes. CD36 knockout mice were injected with lentivirus vectors to express wild type CD36 and palmitoylation sites mutated CD36 in the livers...
April 26, 2018: Journal of Hepatology
https://www.readbyqxmd.com/read/29700576/targeted-overexpression-of-crh-receptor-subtype-1-in-central-amygdala-neurons-effect-on-alcohol-seeking-behavior
#7
L Broccoli, S Uhrig, G von Jonquieres, K Schönig, D Bartsch, N J Justice, R Spanagel, W H Sommer, M Klugmann, A C Hansson
RATIONALE: The corticotropin-releasing hormone (CRH) system is a key mediator of stress-induced responses in alcohol-seeking behavior. Recent research has identified the central nucleus of the amygdala (CeA), a brain region involved in the regulation of fear and stress-induced responses that is especially rich in CRH-positive neurons, as a key player in mediating excessive alcohol seeking. However, detailed characterization of the specific influences that local neuronal populations exert in mediating alcohol responses is hampered by current limitations in pharmacological and immunohistochemical tools for targeting CRH receptor subtype 1 (CRHR1)...
April 26, 2018: Psychopharmacology
https://www.readbyqxmd.com/read/29671787/proteomic-identification-of-the-galectin-1-involved-molecular-pathways-in-urinary-bladder-urothelial-carcinoma
#8
Chien-Feng Li, Kun-Hung Shen, Lan-Hsiang Chien, Cheng-Hao Huang, Ting-Feng Wu, Hong-Lin He
Among various heterogeneous types of bladder tumors, urothelial carcinoma is the most prevalent lesion. Some of the urinary bladder urothelial carcinomas (UBUCs) develop local recurrence and may cause distal invasion. Galectin-1 de-regulation significantly affects cell transformation, cell proliferation, angiogenesis, and cell invasiveness. In continuation of our previous investigation on the role of galectin-1 in UBUC tumorigenesis, in this study, proteomics strategies were implemented in order to find more galectin-1-associated signaling pathways...
April 19, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29609111/regulation-of-anxiety-like-behavior-and-crhr1-expression-in-the-basolateral-amygdala-by-lmo3
#9
Antonia Savarese, Amy W Lasek
The LIM domain only protein LMO3 is a transcriptional regulator that has been shown to regulate several behavioral responses to alcohol. Specifically, Lmo3 null (Lmo3Z ) mice consume more ethanol in a binge-drinking test and show enhanced ethanol-induced sedation. Due to the high comorbidity of alcohol use and anxiety, we investigated anxiety-like behavior in Lmo3Z mice. Lmo3Z mice spent more time in the open arms of the elevated plus maze compared with their wild-type littermates, but the effect was confounded by reduced locomotor activity...
March 27, 2018: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/29577507/the-volume-and-type-of-unhealthy-bus-shelter-advertising-around-schools-in-perth-western-australia-results-from-an-explorative-study
#10
Ashleigh Parnell, Melinda Edmunds, Hannah Pierce, Melissa J Stoneham
ISSUE ADDRESSED: Exposure to advertising for unhealthy food, alcohol and gambling has been shown to influence children and adolescents' behaviours and attitudes. This exploratory study aimed to assess the volume and type of unhealthy bus shelter advertisements near schools in five local government areas in Perth, Western Australia and to monitor whether the volume of unhealthy advertisements varied seasonally. METHODS: The 29 local governments in the Perth metropolitan region were contacted seeking information regarding the locations of bus shelters featuring advertisements in their local government area...
March 5, 2018: Health Promotion Journal of Australia
https://www.readbyqxmd.com/read/29562282/aanl-agrocybe-aegerita-lectin-2-is-a-new-facile-tool-to-probe-for-o-glcnacylation
#11
Wei Liu, Guanghui Han, Yalin Yin, Shuai Jiang, Guojun Yu, Qing Yang, Wenhui Yu, Xiangdong Ye, Yanting Su, Yajun Yang, Gerald W Hart, Hui Sun
O-linked N-acetylglucosamine (O-GlcNAcylation) is an important post-translational modification on serine or threonine of proteins, mainly observed in nucleus or cytoplasm. O-GlcNAcylation regulates many cell processes, including transcription, cell cycle, neural development, and nascent polypeptide chains stabilization. However, the facile identification of O-GlcNAc is a major bottleneck in O-GlcNAcylation research. Herein, we report that a lectin, AANL (Agrocybe aegerita GlcNAc specific lectin), also reported as AAL2, can be used as a powerful probe for O-GlcNAc identification...
March 19, 2018: Glycobiology
https://www.readbyqxmd.com/read/29537660/tyrosine-kinase-syk-is-a-potential-therapeutic-target-for-liver-fibrosis
#12
Chen Qu, Dandan Zheng, Sai Li, Yingjun Liu, Anna Lidofsky, Jacinta A Holmes, Jianning Chen, Lu He, Lan Wei, Yadi Liao, Hui Yuan, Qimeng Jin, Zelong Lin, Qiaoting Hu, Yuchuan Jiang, Mengxian Tu, Xijun Chen, Weiming Li, Wenyu Lin, Bryan C Fuchs, Raymond T Chung, Jian Hong
Spleen tyrosine kinase (SYK) plays a critical role in immune cell signaling pathways and has been reported as a novel biomarker for human hepatocellular carcinoma (HCC). We sought to investigate the mechanism by which SYK promotes liver fibrosis and to evaluate SYK as a therapeutic target for liver fibrosis. We evaluated the cellular localization of SYK and the association between SYK expression and liver fibrogenesis in normal, HBV-infected, HCV-infected and non-alcoholic steatohepatitis (NASH) liver tissue (n=36, 127, 22 and 30, respectively)...
March 14, 2018: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29533017/traditional-chinese-medicine-cff-1-induced-cell-growth-inhibition-autophagy-and-apoptosis-via-inhibiting-egfr-related-pathways-in-prostate-cancer
#13
Zhaomeng Wu, Qingyi Zhu, Yingying Yin, Dan Kang, Runyi Cao, Qian Tian, Yu Zhang, Shan Lu, Ping Liu
Traditional Chinese medicine (TCM) has a combined therapeutic result in cancer treatment by integrating holistic and local therapeutical effects, by which TCM can enhance the curative effect and reduce the side effect. In this study, we analyzed the effect of CFF-1 (alcohol extract from an anticancer compound Chinese medicine) on prostate cancer (PCa) cell lines and studied in detail the mechanism of cell death induced by CFF-1 in vitro and in vivo. From our data, we found for the first time that CFF-1 obviously arrested cell cycle in G1 phase, decreased cell viability and then increased nuclear rupture in a dose-dependent manner and finally resulted in apoptosis in prostate cancer cells...
March 13, 2018: Cancer Medicine
https://www.readbyqxmd.com/read/29520288/tbc2target-a-resource-of-predicted-target-genes-of-tea-bioactive-compounds
#14
Shihua Zhang, Liang Zhang, Yijun Wang, Jian Yang, Mingzhi Liao, Shoudong Bi, Zhongwen Xie, Chi-Tang Ho, Xiaochun Wan
Tea is one of the most popular non-alcoholic beverages consumed worldwide. Numerous bioactive constituents of tea were confirmed to possess healthy benefits via the mechanisms of regulating gene expressions or protein activities. However, a complete interacting profile between tea bioactive compounds (TBCs) and their target genes is lacking, which put an obstacle in the study of healthy function of tea. To fill this gap, we developed a database of target genes of TBCs (TBC2target, http://camellia.ahau.edu.cn/TBC2target) based on a pharmacophore mapping approach...
2018: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29514047/deletion-of-nlrx1-increases-fatty-acid-metabolism-and-prevents-diet-induced-hepatic-steatosis-and-metabolic-syndrome
#15
Lotte Kors, Elena Rampanelli, Geurt Stokman, Loes M Butter, Ntsiki M Held, Nike Claessen, Per W B Larsen, Joanne Verheij, Coert J Zuurbier, Gerhard Liebisch, Gerd Schmitz, Stephen E Girardin, Sandrine Florquin, Riekelt H Houtkooper, Jaklien C Leemans
NOD-like receptor (NLR)X1 (NLRX1) is an ubiquitously expressed inflammasome-independent NLR that is uniquely localized in mitochondria with as yet unknown effects on metabolic diseases. Here, we report that NLRX1 is essential in regulating cellular metabolism in non-immune parenchymal hepatocytes by decreasing mitochondrial fatty acid-dependent oxidative phosphorylation (OXPHOS) and promoting glycolysis. NLRX1 loss in mice has a profound impact on the prevention of diet-induced metabolic syndrome parameters, non-alcoholic fatty liver disease (NAFLD) progression, and renal dysfunction...
May 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29487525/alcohol-mediated-organ-damages-heart-and-brain
#16
REVIEW
Adam Obad, Ahmed Peeran, Janay I Little, Georges E Haddad, Sima T Tarzami
Alcohol is one of the most commonly abused substances in the United States. Chronic consumption of ethanol has been responsible for numerous chronic diseases and conditions globally. The underlying mechanism of liver injury has been studied in depth, however, far fewer studies have examined other organs especially the heart and the central nervous system (CNS). The authors conducted a narrative review on the relationship of alcohol with heart disease and dementia. With that in mind, a complex relationship between inflammation and cardiovascular disease and dementia has been long proposed but inflammatory biomarkers have gained more attention lately...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29462566/non-alcoholic-fatty-liver-disease-and-gastric-bypass-surgery-regulate-serum-and-hepatic-levels-of-pyruvate-kinase-isoenzyme-m2
#17
Luca Meoli, Nitin K Gupta, Nima Saeidi, Courtney Panciotti, Sudha B Biddinger, Kathleen E Corey, Nicholas Stylopoulos
Treatment of non-alcoholic fatty liver disease (NAFLD) focuses on the underlying metabolic syndrome, and Roux-en-Y gastric bypass surgery (RYGB) remains one of the most effective options. In rodents and human patients, RYGB induces an increase in the gene and protein expression levels of the M2 isoenzyme of Pyruvate Kinase (PKM2) in the jejunum. Since PKM2 can be secreted in the circulation, our hypothesis was that the circulating levels of PKM2 increase after RYGB. Our data, however, revealed an unexpected finding and a potential new role of PKM2 for the natural history of metabolic syndrome and NAFLD...
February 20, 2018: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29460521/hpv-acting-on-e-cadherin-p53-and-p16-literature-review
#18
L Ottria, V Candotto, F Cura, L Baggi, C Arcuri, M Nardone, R M Gaudio, R Gatto, F Spadari, F Carinci
In addition to tobacco and alcohol consumption, the two main risk factors for oral squamous cell carcinoma (OSCC), recent studies have revealed infections with human papilloma virus (HPV) as an additional risk factor for OSCC development. In the field of head and neck malignancies, the prevalence of HPV infections in oropharyngeal cancer (OC) ranges in different studies up to 84%. While HPV infection is discussed as an independent risk factor in this region, its distinguished role in carcinogenesis of tumours localized to the oral cavity remains uncertain...
January 2018: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/29438776/quercetin-ameliorates-hfd-induced-nafld-by-promoting-hepatic-vldl-assembly-and-lipophagy-via-the-ire1a-xbp1s-pathway
#19
Xinhong Zhu, Ting Xiong, Peiyi Liu, Xiaoping Guo, Lin Xiao, Feng Zhou, Yuhan Tang, Ping Yao
The consumption of a quercetin-rich diet has been well-established as a feasible method against non-alcoholic fatty liver disease (NAFLD); however, the molecular mechanisms underlying the progression of NAFLD and its intervention by quercetin remain largely obscure. Male Sprague-Dawley rats fed high-fat diet (HFD), and HepG2 cells stimulated with free fatty acid, were treated with quercetin and various pharmacological reagents to explore the effect of signaling pathways involved in endoplasmic reticulum stress on very low-density lipoprotein (VLDL) assembly and lipophagy...
April 2018: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/29421347/the-emerging-marijuana-retail-environment-key-lessons-learned-from-tobacco-and-alcohol-retail-research
#20
REVIEW
Carla J Berg, Lisa Henriksen, Patricia A Cavazos-Rehg, Regine Haardoerfer, Bridget Freisthler
The emerging retail market for recreational marijuana use warrants research and surveillance as such markets are established in more US states. This research can be informed by the existing literature regarding tobacco and alcohol, which highlights the impact of spatial access to tobacco and alcohol retailers and exposure to tobacco and alcohol marketing on smoking and drinking among youth and young adults. Prior research indicates that tobacco and alcohol retailers, as well as medical marijuana dispensaries, are disproportionately located in neighborhoods characterized by socioeconomic disadvantage and by higher proportions of racial/ethnic minorities and young adults...
June 2018: Addictive Behaviors
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