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https://www.readbyqxmd.com/read/29352207/ethanol-sensitizes-hepatocytes-for-tgf-%C3%AE-triggered-apoptosis
#1
Haristi Gaitantzi, Christoph Meyer, Pia Rakoczy, Maria Thomas, Kristin Wahl, Franziska Wandrer, Heike Bantel, Hamed Alborzinia, Stefan Wölfl, Sabrina Ehnert, Andreas Nüssler, Ina Bergheim, Loredana Ciuclan, Matthias Ebert, Katja Breitkopf-Heinlein, Steven Dooley
Alcohol abuse is a global health problem causing a substantial fraction of chronic liver diseases. Abundant TGF-β-a potent pro-fibrogenic cytokine-leads to disease progression. Our aim was to elucidate the crosstalk of TGF-β and alcohol on hepatocytes. Primary murine hepatocytes were challenged with ethanol and TGF-β and cell fate was determined. Fluidigm RNA analyses revealed transcriptional effects that regulate survival and apoptosis. Mechanistic insights were derived from enzyme/pathway inhibition experiments and modulation of oxidative stress levels...
January 19, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29352167/srebp1c-mediates-the-effect-of-acetaldehyde-on-cidea-expression-in-alcoholic-fatty-liver-mice
#2
Qi He, Yan Diao, Tingting Zhao, Baoyu Hou, Linel Darrel Ngokana, Huan Liang, Junhui Nie, Peizhu Tan, Hui Huang, Yanze Li, Lin Qi, Yuanyuan Zhao, Ying Liu, Xu Gao, Lingyun Zhou
Cell death inducing DNA fragmentation factor-alpha-like A (Cidea) is a member of cell death-inducing DFF45-like effector (CIDE) protein. The initial function of CIDE is the promotion of cell death and DNA fragmentation in mammalian cells. Cidea was recently reported to play critical roles in the development of hepatic steatosis. The purpose of present study is to determine the effect of chronic alcohol intake on Cidea expression in the livers of mice with alcoholic fatty liver disease. Cidea expression was significantly increased in the liver of alcohol-induced fatty liver mice...
January 19, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29352076/intestinal-dysbiosis-and-permeability-the-yin-and-yang-in-alcohol-dependence-and-alcoholic-liver-disease
#3
REVIEW
Peter Stärkel, Sophie Leclercq, Philippe de Timary, Bernd Schnabl
Alcohol dependence and alcoholic liver disease represent a major public health problem with substantial morbidity and mortality. By yet incompletely understood mechanisms, chronic alcohol abuse is associated with increased intestinal permeability and alterations of the gut microbiota composition, allowing bacterial components, bacteria, and metabolites to reach the portal and the systemic circulation. These gut-derived bacterial products are recognized by immune cells circulating in the blood or residing in remote organs such as the liver leading to the release of pro-inflammatory cytokines which are considered important mediators of the liver-gut-brain communication...
January 31, 2018: Clinical Science (1979-)
https://www.readbyqxmd.com/read/29351612/a-mutational-signature-associated-with-alcohol-consumption-and-prognostically-significantly-mutated-driver-genes-in-esophageal-squamous-cell-carcinoma
#4
X C Li, M Y Wang, M Yang, H J Dai, B F Zhang, W Wang, X L Chu, X Wang, H Zheng, R F Niu, W Zhang, K X Chen
Background: Esophageal squamous cell carcinoma (ESCC) is often diagnosed at an advanced and incurable stage. Information on driver genes and prognosticators in ESCC remains incomplete. The objective was to elucidate significantly mutated genes (SMGs), mutational signatures, and prognosticators in ESCC. Patients and Methods: Three MutSig algorithms (i.e. MutSigCV, MutSigCL and MutSigFN) and "20/20+" ratio-metric were employed to identify SMGs. Nonnegative matrix factorization was used to decipher mutational signatures...
January 16, 2018: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/29351393/liver-tissue-metabolically-transformed-by-alcohol-induces-immune-recognition-of-liver-self-proteins-but-not-in-vivo-inflammation
#5
Michael J Duryee, Benjamin M Wiese, Jordan R Bowman, Jared D Vanlandingham, Lynell W Klassen, Geoffrey E Thiele, Carlos D Hunter, Daniel R Anderson, Ted R Mikuls, Geoffrey M Thiele
Precision cut liver slices (PCLSs) provide a novel model for studies in alcoholic liver disease (ALD). This is relevant, as in vivo ethanol exposure does not appear to generate significant liver damage in ethanol fed mice, except in the NIAAA binge model of ALD. Previous studies have shown that the two metabolites of ethanol consumption, malondialdhyde (MDA) and acetaldehyde (AA), combine to form (MAA), which has been correlated with the development and progression of ALD. In this study murine PCLSs were incubated with ethanol and examined for the production of MAA...
December 28, 2017: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/29350757/hepatoprotective-effects-of-sophoricoside-against-fructose-induced-liver-injury-via-regulating-lipid-metabolism-oxidation-and-inflammation-in-mice
#6
Wenfeng Li, Yalong Lu
The dried fruit of Sophora japonica L. is a traditional Chinese herb tea rich in sophoricoside that is an isoflavone glycoside. The aim of current study was to investigate the hepatic protective effect of sophoricoside in high fructose (HF) diet fed mice. Healthy male mice were fed 30% fructose water and treated 80 and 160 mg/kg·bw sophoricoside continuously for 8 wk. Our data showed that administration of sophoricoside at 80 and 160 mg/kg·bw observably decreased the body weight and liver weight in HF-fed mice...
January 19, 2018: Journal of Food Science
https://www.readbyqxmd.com/read/29350678/pik3r3-regulates-ppar%C3%AE-expression-to-stimulate-fatty-acid-%C3%AE-oxidation-and-decrease-hepatosteatosis
#7
Xi Yang, Yinjia Fu, Fuqing Hu, Xuelai Luo, Junbo Hu, Guihua Wang
Phosphatidylinositol 3-kinase (PI3K) signaling plays an important role in the regulation of cellular lipid metabolism and non-alcoholic fatty liver disease (NAFLD). However, little is known about the role of the regulatory subunits of PI3K in lipid metabolism and NAFLD. In this study, we characterized the functional role of PIK3R3 in fasting-induced hepatic lipid metabolism. In this study, we showed that the overexpression of PIK3R3 promoted hepatic fatty acid oxidation via PIK3R3-induced expression of PPARα, thus improving the fatty liver phenotype in high-fat diet (HFD)-induced mice...
January 19, 2018: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/29348103/prevalence-of-non-alcoholic-fatty-liver-and-non-alcoholic-steatohepatitis-in-peshawar-cantonment-khyber-pakhtunkhwa-pakistan
#8
Abdus Saboor Shah, Shahzeb Khan, Haroon Rahim, Kamran Ahmad Chishti, Aamir Ghafoor Khan
Non-alcoholic fatty liver disease prevalence has not been well established. The aims of this study was to define prospectively non-alcoholic steatohepatitis (NASH) and non-alcoholic fatty liver disease (NAFLD) prevalence in hospitalized and ambulatory patients 20-65 years old during June 2013 to June 2014 were selected from Combined Military Hospital Peshawar Cantonment area. A base line questionnaire and right upper quadrant ultrasound was completed by all patients. On identifications of fatty liver among the selected cases further lab test data and liver biopsy reports were obtained...
January 2018: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29348089/a-study-of-serological-markers-and-lipid-profile-in-non-alcoholic-liver-cirrhosis-patients
#9
Sadaf Khan, Siddiqua Jamal
Cirrhosis is the end result of chronic liver damage, associated with altered serum biomarkers and lipid profile. However, only few studies regarding serum biomarkers and plasma lipid profile in non-alcoholic liver cirrhosis subjects have been undertaken in Pakistan. This study aimed to evaluate the degree of alterations of tumor markers and lipid profile in liver cirrhosis patients and in normal healthy individuals. Levels of serological markers and plasma lipid pattern was measured in liver cirrhosis patients and in sex and age matched normal healthy individuals (n=46)...
January 2018: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29346500/commentary-alcohol-and-alcoholism-special-issue-on-alcohol-and-liver-transplantation
#10
Helmut K Seitz
No abstract text is available yet for this article.
January 16, 2018: Alcohol and Alcoholism: International Journal of the Medical Council on Alcoholism
https://www.readbyqxmd.com/read/29345914/comparative-analysis-of-epa-dha-pl-forage-and-liposomes-in-orotic-acid-induced-non-alcoholic-fatty-liver-rats-and-their-related-mechanisms
#11
Mengru Chang, Tiantian Zhang, Xiuqing Han, Qingjuan Tang, Teruyoshi Yanagita, Jie Xu, Changhu Xue, YuMing Wang
Non-alcoholic fatty liver disease (NAFLD) has become one predictive factor of death from various illnesses. The present study was to comparatively investigate the effects of eicosapentaenoic acid-enriched and docosahexaenoic acid-enriched phospholipids forage (EPA-PL and DHA-PL) and liposomes (lipo-EPA and lipo-DHA) on NAFLD and demonstrate possible protective mechanisms involved. The additive doses of EPA-PL and DHA-PL in all treatment groups were 1 % of total diets, respectively. Results showed that Lipo-EPA could significantly improve hepatic function by down-regulating orotic acid-induced serum aspartate aminotransferase (AST) and alanine aminotransferase (ALT) levels by 55...
January 18, 2018: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29345322/effect-of-substrate-stiffness-on-hepatocyte-migration-and-cellular-young-s-modulus
#12
Tingting Xia, Runze Zhao, Wanqian Liu, Qiping Huang, Peixing Chen, Yasinta Ningsih Waju, Mohanad Kh Al-Ani, Yonggang Lv, Li Yang
Hepatic fibrosis progress accompanied by an unbalanced extracellular matrix (ECM) degradation and deposition leads to an increased tissue stiffness. Hepatocytes interplay with all intrahepatic cell populations inside the liver. However, how hepatocytes migration and cellular Young's modulus influenced by the substrate stiffness are not well understood. Here, we established a stiffness-controllable in vitro cell culture model by using a polyvinyl alcohol (PVA) hydrogel that mimicked the same physical stiffness as a fibrotic liver...
January 18, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29345253/3-acetyl-oleanolic-acid-ameliorates-non-alcoholic-fatty-liver-disease-in-high-fat-diet-treated-rats-by-activating-ampk-related-pathways
#13
Qiong Ou-Yang, Chun-Xiao Xuan, Xue Wang, Han-Qiong Luo, Jin-E Liu, Lan-Lan Wang, Ting-Ting Li, Yu-Peng Chen, Jun Liu
3-Acetyl-oleanolic acid (3Ac-OA) is a derivative of oleanolic acid (OA), which has shown therapeutic beneficial effects on diabetes and metabolic syndrome. In this study we investigated whether 3Ac-OA exerted beneficial effect on non-alcoholic fatty liver disease (NAFLD) in rats and its potential underlying mechanisms. Treatment with 3Ac-OA (1-100 μmol/L) dose-dependently decreased the intracellular levels of total cholesterol (TC) and triglyceride (TG) in FFA-treated primary rat hepatocytes and human HepG2 cell lines in vitro...
January 18, 2018: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/29343427/controlled-attenuation-parameter-and-alcoholic-hepatic-steatosis-diagnostic-accuracy-and-role-of-alcohol-detoxification
#14
Maja Thiele, Vanessa Rausch, Gabriele Fluhr, Maria Kjærgaard, Felix Piecha, Johannes Mueller, Beate Katharina Straub, Monica Lupşor-Platon, Victor De-Ledinghen, Helmut Karl Seitz, Sönke Detlefsen, Bjørn Madsen, Aleksander Krag, Sebastian Mueller
BACKGROUND AND AIMS: Controlled attenuation parameter (CAP) is a novel non-invasive measure of hepatic steatosis, but has not been evaluated in alcoholic liver disease. We therefore aimed to validate CAP for assessment of biopsy-verified alcoholic steatosis and to study the effect of alcohol detoxification on CAP. METHODS: Cross-sectional, biopsy-controlled, diagnostic study in four European liver centers. Consecutive alcohol-overusing patients underwent concomitant CAP, regular ultrasound and liver biopsy...
January 14, 2018: Journal of Hepatology
https://www.readbyqxmd.com/read/29342916/coffee-intake-and-liver-steatosis-a-population-study-in-a-mediterranean-area
#15
Nicola Veronese, Maria Notarnicola, Anna Maria Cisternino, Rosa Reddavide, Rosa Inguaggiato, Vito Guerra, Ornella Rotolo, Iris Zinzi, Gioacchino Leandro, Mario Correale, Valeria Tutino, Giovanni Misciagna, Alberto Ruben Osella, Caterina Bonfiglio, Gianluigi Giannelli, Maria Gabriella Caruso For The Micol Group
Coffee drinking seems to have several beneficial effects on health outcomes. However, the effect on hepatic steatosis, depending on a high alcohol consumption (AFLD, alcoholic fatty liver disease) or on metabolic factors (non-alcoholic fatty liver disease, NAFLD), is still equivocal. Thus, we aimed to explore the potential association between coffee consumption and the presence and severity of hepatic steatosis in people with NAFLD or AFLD. In this cross-sectional study, coffee drinking was recorded using a semi-quantitative food frequency questionnaire, and categorized as yes vs...
January 15, 2018: Nutrients
https://www.readbyqxmd.com/read/29342885/alcohol-derived-acetaldehyde-exposure-in-the-oral-cavity
#16
REVIEW
Alessia Stornetta, Valeria Guidolin, Silvia Balbo
Alcohol is classified by the International Agency for Research on Cancer (IARC) as a human carcinogen and its consumption has been associated to an increased risk of liver, breast, colorectum, and upper aerodigestive tract (UADT) cancers. Its mechanisms of carcinogenicity remain unclear and various hypotheses have been formulated depending on the target organ considered. In the case of UADT cancers, alcohol's major metabolite acetaldehyde seems to play a crucial role. Acetaldehyde reacts with DNA inducing modifications, which, if not repaired, can result in mutations and lead to cancer development...
January 14, 2018: Cancers
https://www.readbyqxmd.com/read/29342874/rodent-models-of-alcoholic-liver-disease-role-of-binge-ethanol-administration
#17
REVIEW
Shubha Ghosh Dastidar, Jeffrey B Warner, Dennis R Warner, Craig J McClain, Irina A Kirpich
Both chronic and acute (binge) alcohol drinking are important health and economic concerns worldwide and prominent risk factors for the development of alcoholic liver disease (ALD). There are no FDA-approved medications to prevent or to treat any stage of ALD. Therefore, discovery of novel therapeutic strategies remains a critical need for patients with ALD. Relevant experimental animal models that simulate human drinking patterns and mimic the spectrum and severity of alcohol-induced liver pathology in humans are critical to our ability to identify new mechanisms and therapeutic targets...
January 13, 2018: Biomolecules
https://www.readbyqxmd.com/read/29342182/light-alcohol-consumption-has-the-potential-to-suppress-hepatocellular-injury-and-liver-fibrosis-in-non-alcoholic-fatty-liver-disease
#18
Kazutoshi Yamada, Eishiro Mizukoshi, Takuya Seike, Rika Horii, Masaaki Kitahara, Hajime Sunagozaka, Kuniaki Arai, Tatsuya Yamashita, Masao Honda, Shuichi Kaneko
BACKGROUND & AIMS: The modest consumption of alcohol has been reported to decrease the incidence of fatty liver or prevalence of steatohepatitis. In this study, we investigated the effect of light alcohol consumption on liver function and gene expression in patients with non-alcoholic fatty liver disease (NAFLD). METHODS: The study group was formed of 178 patients diagnosed with non-alcoholic fatty liver disease, subclassified into two groups for analysis based on the daily alcohol consumption: non-alcohol group and light alcohol consumer group (≤20 g of ethanol/day)...
2018: PloS One
https://www.readbyqxmd.com/read/29342171/health-behavior-associated-with-liver-enzymes-among-obese-korean-adolescents-2009-2014
#19
Eun-Young Lee, Hwa Young Choi, Hyunsoon Cho, Bo Hyun Kim, Moran Ki
AIMS: Obesity is major risk factor for liver health. This study aimed to clarify whether specific health behaviors were associated with liver function in obese adolescents in Korea. METHODS: Based on national school health examination data from 2009 to 2014, 25,142 obese or overweight students were examined for aspartate transaminase and alanine transaminase levels, and health behaviors. Multiple logistic regression was used to calculate the odds ratio for liver enzyme elevation...
2018: PloS One
https://www.readbyqxmd.com/read/29341528/-n-acetylcysteine%C3%A2-effective-treatment-in-severe-alcoholic-hepatitis%C3%A2
#20
Isaline Verdon, Laurent Spahr, Jacques Serratrice
The use of N-acetylcysteine is of unknown significance when it comes to acute liver failure of other origin but for paracetamol overdose. Current data state its beneficial use when added to standard treatment for acute alcoholic hepatitis, whereas this attitude is less clear for hepatitis of variable other origin. This review of literature attends to evaluate and reveal the possible interest of adding N-acetylcysteine to standard care of acute liver failure due to alcoholism or other non-paracetamol linked causes...
January 17, 2018: Revue Médicale Suisse
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