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https://www.readbyqxmd.com/read/28220687/environmental-factors-seven-gwas-identified-susceptibility-loci-and-risk-of-gastric-cancer-and-its-precursors-in-a-chinese-population
#1
Meng Cai, Shuyang Dai, Wanqing Chen, Changfa Xia, Lingeng Lu, Shuguang Dai, Jun Qi, Minjie Wang, Meilin Wang, Lanping Zhou, Fuhua Lei, Tingting Zuo, Hongmei Zeng, Xiaohang Zhao
Gene-environment interactions may increase gastric cancer (GC) risk. Seven susceptibility loci identified by genome-wide association studies (GWASs) suggest that genetic factors play a role in gastric carcinogenesis. Meanwhile, Helicobacter pylori (H. pylori) infection, smoking, and alcohol drinking are also important environmental factors for gastric cancer. However, studies to explore the role of gene-environment interactions in gastric carcinogenesis, and particularly the relationship between the seven susceptibility loci and their potential interactions with H...
February 21, 2017: Cancer Medicine
https://www.readbyqxmd.com/read/28202906/bar502-a-dual-fxr-and-gpbar1-agonist-promotes-browning-of-white-adipose-tissue-and-reverses-liver-steatosis-and-fibrosis
#2
Adriana Carino, Sabrina Cipriani, Silvia Marchianò, Michele Biagioli, Chiara Santorelli, Annibale Donini, Angela Zampella, Maria Chiara Monti, Stefano Fiorucci
Non-alcoholic steatohepatitis (NASH) is a highly prevalent chronic liver disease. Here, we have investigated whether BAR502, a non-bile acid, steroidal dual ligand for FXR and GPBAR1, reverses steato-hepatitis in mice fed a high fat diet (HFD) and fructose. After 9 week, mice on HFD gained ≈30% of b.w (P < 0.01 versus naïve) and were insulin resistant. These overweighting and insulin resistant mice were randomized to receive HFD or HFD in combination with BAR502. After 18 weeks, HFD mice developed NASH like features with severe steato-hepatitis and fibrosis, increased hepatic content of triacylglycerol and cholesterol and expression of SREPB1c, FAS, ApoC2, PPARα and γ, α-SMA, α1 collagen and MCP1 mRNAs...
February 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28195397/alcohol-injury-damages-intestinal-stem-cells
#3
Rong Lu, Robin M Voigt, Yongguo Zhang, Ikuko Kato, Yinglin Xia, Christopher B Forsyth, Ali Keshavarzian, Jun Sun
BACKGROUND: Alcohol consumption is associated with intestinal injury including intestinal leakiness and the risk of developing progressive gastrointestinal cancer. Alcoholics have disruption of intestinal barrier dysfunction that persists weeks after stopping alcohol intake and this occurs in spite of the fact that intestinal epithelial cells turn over every 3-5 days. The renewal and functional regulation of the intestinal epithelium largely relies on intestinal stem cells (ISCs). Chronic inflammation and tissue damage in the intestine can injure stem cells including accumulation of mutations that may result in ISC dysfunction and transformation...
February 14, 2017: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/28182092/the-interaction-between-gstt1-gstm1-and-gstp1-ile105val-gene-polymorphisms-and-environmental-risk-factors-in-premalignant-gastric-lesions-risk
#4
Anca Negovan, Mihaela Iancu, Valeriu Moldovan, Simona Mocan, Claudia Banescu
The study investigated the possible influence of GSTM1, GSTT1, and GSTP1 gene polymorphisms as predisposing factors for premalignant gastric lesions as well as their interaction with H. pylori infection, gastrotoxic drugs, smoking, and alcohol consumption. In this study, 270 patients with a complet set of gastric biopsies and successfully genotyped were finally included. The GSTM1 gene polymorphism had significant contribution in mild/severe endoscopic lesions (p = 0.01) as well as in premalignant lesions (p = 0...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28167864/ezetimibe-reduces-cholesterol-content-and-nf-kappab-activation-in-liver-but-not-in-intestinal-tissue-in-guinea-pigs
#5
Peter Fraunberger, Elisabeth Gröne, Hermann-Josef Gröne, Heinz Drexel, Autar K Walli
BACKGROUND: Statins (HMG CoA reductase inhibitors), in addition to reducing circulating cholesterol and incidence of coronary heart disease, also have pleiotropic, anti-inflammatory effects. Patients with chronic liver diseases, non-alcoholic fatty liver disease (NAFLD) or hepatitis C are often excluded from statin therapy because of adverse effects in a small cohort of patients despite increased cardiovascular risk cholesterol. Ezetimibe, which inhibits cholesterol absorption by inhibition of Niemann-Pick C1 like 1 (NPC1L1) protein in the brush border of intestinal cells, has been suggested as a new therapeutic option in these patients...
2017: Journal of Inflammation
https://www.readbyqxmd.com/read/28162008/clinical-implications-of-understanding-the-association-between-oxidative-stress-and-pediatric-nafld
#6
Jake P Mann, Massimiliano Raponi, Valerio Nobili
Oxidative stress is central to the pathogenesis of non-alcoholic steatohepatitis. The reactive oxygen species (ROS) that characterise oxidative stress are generated in several cellular sites and their production is influence by multi-organ interactions. Areas covered: Mitochondrial dysfunction is the main source of ROS in fatty liver and is closely related to endoplasmic reticulum stress. Both are caused by lipotoxicity and together these three factors form a cycle of progressive organelle damage, resulting in sterile inflammation and apoptosis...
February 6, 2017: Expert Review of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28109091/-effect-of-deoxycholic-acid-intervention-on-growth-of-ileum-organoids-derived-from-c57bl-6-mice
#7
Li-Hong Lou, Yue Zeng, Hui Zhou, Ying-Ying Lu, Xing-Peng Wang
OBJECTIVE: To establish a culture system for mouse intestinal organoids and investigate the effect of deoxycholic acid (DCA) on organoids growth. METHODS: The terminal ileum was collected from 8-month-old C57BL<6 mice. The tissue blocks were treated with EDTA and the crypts were collected and embedded in Matrigel Matrix. Orgnoids growth and buddings were observed in the control group, anhydrous alcohol group, short-term (2 days) 100 µmol<L DCA treatment group, and long-term (10 days) 10 µmol<L DCA treatment group; the orgnoids were further cultured for 10 days after removal of DCA from the medium and observed for orgnoids growth and buddings...
January 20, 2017: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/28104981/sodium-butyrate-attenuates-high-fat-diet-induced-steatohepatitis-in-mice-by-improving-gut-microbiota-and-gastrointestinal-barrier
#8
Da Zhou, Qin Pan, Feng-Zhi Xin, Rui-Nan Zhang, Chong-Xin He, Guang-Yu Chen, Chang Liu, Yuan-Wen Chen, Jian-Gao Fan
AIM: To investigate whether gut microbiota metabolite sodium butyrate (NaB) is an effective substance for attenuating non-alcoholic fatty liver disease (NAFLD) and the internal mechanisms. METHODS: Male C57BL/6J mice were divided into three groups, normal control were fed standard chow and model group were fed a high-fat diet (HFD) for 16 wk, the intervention group were fed HFD for 16 wk and treated with NaB for 8 wk. Gut microbiota from each group were detected at baseline and at 16 wk, liver histology were evaluated and gastrointestinal barrier indicator such as zonula occluden-1 (ZO-1) were detected by immunohistochemistry and realtime-PCR, further serum or liver endotoxin were determined by ELISA and inflammation- or metabolism-associated genes were quantified by real-time PCR...
January 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28092151/issues-in-nutrition-carbohydrates
#9
Margaret E Thompson, Mary Barth Noel
Carbohydrates include sugars, starches, and dietary fibers. Resistant starches resemble fiber in their behavior in the intestinal tract, and may have positive effects on blood glucose levels and the gut microbiome. Fibers are classified as soluble and insoluble, but most fiber-containing foods contain a mixture of soluble and insoluble fiber. Soluble fiber has been shown to lower low-density lipoprotein cholesterol levels. Many artificial sweeteners and other sugar substitutes are available. Most natural sources of sweeteners also are energy sources...
January 2017: FP Essentials
https://www.readbyqxmd.com/read/28087985/prophylactic-tributyrin-treatment-mitigates-chronic-binge-alcohol-induced-intestinal-barrier-and-liver-injury
#10
Gail A Cresci, Bryan Glueck, Megan R McMullen, Wei Xin, Danielle Allende, Laura E Nagy
BACKGROUND/AIM: Impaired gut-liver axis is a potential factor contributing to alcoholic liver disease. Ethanol depletes intestinal integrity and causes gut dysbiosis. Butyrate, a fermentation byproduct of gut microbiota, is altered negatively following chronic ethanol exposure. This study aimed to determine whether prophylactic tributyrin could protect the intestinal barrier and liver in mice during combined chronic-binge ethanol exposure. METHODS: C57BL/6 J mice exposed to 5% v/v ethanol-containing diet for 10 days received a single ethanol gavage (5 g/kg) 9 hrs prior to euthanasia...
January 14, 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28077318/alcohol-microbiome-life-style-influence-alcohol-and-non-alcoholic-organ-damage
#11
REVIEW
Manuela G Neuman, Samuel W French, Samir Zakhari, Stephen Malnick, Helmut K Seitz, Lawrence B Cohen, Mikko Salaspuro, Andreea Voinea-Griffin, Andrei Barasch, Irina A Kirpich, Paul G Thomes, Laura W Schrum, Terrence M Donohue, Kusum K Kharbanda, Marcus Cruz, Mihai Opris
This paper is based upon the "8th Charles Lieber's Satellite Symposium" organized by Manuela G. Neuman at the Research Society on Alcoholism Annual Meeting, on June 25, 2016 at New Orleans, Louisiana, USA. The integrative symposium investigated different aspects of alcohol-induced liver disease (ALD) as well as non-alcohol-induced liver disease (NAFLD) and possible repair. We revealed the basic aspects of alcohol metabolism that may be responsible for the development of liver disease as well as the factors that determine the amount, frequency and which type of alcohol misuse leads to liver and gastrointestinal diseases...
January 7, 2017: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/28067243/association-of-polymorphisms-in-three-pri-mirnas-that-target-pepsinogen-c-with-the-risk-and-prognosis-of-gastric-cancer
#12
Ye-Feng Wu, Qian Xu, Cai-Yun He, Ying Li, Jing-Wei Liu, Na Deng, Li-Ping Sun, Yuan Yuan
We aimed to explore the associations of polymorphisms in three microRNAs (miRNAs) (let-7e rs8111742, miR-365b rs121224 and miR-4795 rs1002765) that target PGC with the risk and prognosis of gastric cancer/atrophic gastritis. Sequenom's MassArray was used to genotype the miRNA polymorphisms in 724 gastric cancer cases, 862 atrophic gastritis cases and 862 controls in a Chinese population. We found that let-7e rs8111742 and miR-4795 rs1002765 were associated with the risk of gastric cancer in the H. pylori-positive subgroup...
January 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28067024/treatment-with-alpha-galactosylceramide-protects-mice-from-early-onset-of-non-alcoholic-steatohepatitis-role-of-intestinal-barrier-function
#13
Anna Janina Engstler, Cathrin Sellmann, Cheng Jun Jin, Annette Brandt, Kathleen Herz, Josephine Priebs, Ina Bergheim
SCOPE: The role of invariant natural killer T cells in the development of non-alcoholic steatohepatitis (NASH) has not yet been fully understood. Here, the effect of the invariant natural killer T cell activator alpha-galactosylceramide (αGalCer) on the development of non-alcoholic fatty liver disease and intestinal barrier function was assessed in a mouse model of early Western-style diet (WSD)-induced NASH. METHODS AND RESULTS: Female C57BL/6J mice were either fed a liquid control diet or a liquid fructose-enriched WSD for 6 weeks while being treated 3-times weekly with αGalCer (2 μg i...
January 9, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28064050/development-of-a-novel-ph-sensitive-silane-crosslinked-injectable-hydrogel-for-controlled-release-of-neomycin-sulfate
#14
Sehrish Jabeen, Atif Islam, Abdul Ghaffar, Nafisa Gull, Ayesha Hameed, Anbreen Bashir, Tahir Jamil, Tousif Hussain
Silane crosslinked biopolymer based novel pH-responsive hydrogels were fabricated by blending the cationic (chitosan) and anionic (alginate) polymers with poly(vinyl alcohol). Tetraethoxysilane (TEOS) was used, as a crosslinker in different amounts due to its nonhazardous nature, to study its impact on physical and chemical properties of the prepared injectable hydrogels along with the controlled release of drug. The swelling response of the prepared hydrogels was examined in different solvent media which exhibited decreased swelling ratio with increase in the amount of TEOS...
April 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28062946/upregulated-absorption-of-dietary-palmitic-acids-with-changes-in-intestinal-transporters-in-non-alcoholic-steatohepatitis-nash
#15
Hiroki Utsunomiya, Yasunori Yamamoto, Eiji Takeshita, Yoshio Tokumoto, Fujimasa Tada, Teruki Miyake, Masashi Hirooka, Masanori Abe, Teru Kumagi, Bunzo Matsuura, Yoshio Ikeda, Yoichi Hiasa
BACKGROUND: Palmitic acid is an important risk factor for the pathogenesis of non-alcoholic steatohepatitis (NASH), but changes in palmitic acid intestinal absorption in NASH are unclear. The aim of this study was to clarify changes in palmitic acid intestinal absorption and their association with the pathogenesis of NASH. METHODS: A total of 106 participants were recruited to the study, of whom 33 were control subjects (control group), 32 were patients with NASH Brunt stage 1-2 [early NASH (e-NASH)], and 41 were patients with NASH Brunt stage 3-4 [advanced NASH (a-NASH)]...
January 6, 2017: Journal of Gastroenterology
https://www.readbyqxmd.com/read/28060242/adult-liver-allocation-in-eurotransplant
#16
Ina Jochmans, Marieke van Rosmalen, Jacques Pirenne, Undine Samuel
Liver allocation in Eurotransplant is complex as allocation rules need to follow not only the guidelines of the European Commission but also the specific regulations of each of the 7 Eurotransplant countries with active liver transplant programs. Thirty-eight liver transplant centers served a population of about 135 million in 2015. Around 1600 deceased donor livers are transplanted annually. The number of deceased organ donors remains stable but donor age is increasing. Nevertheless, liver utilization rates are unchanged at around 80%...
January 6, 2017: Transplantation
https://www.readbyqxmd.com/read/28057167/moderate-dose-regular-lifelong-alcohol-intake-changes-the-intestinal-flora-protects-against-aging-and-keeps-spatial-memory-in-the-senescence-accelerated-mouse-prone-8-samp8-model
#17
Chikako Shimizu, Yasuhiro Oki, Yutaka Mitani, Youichi Tsuchiya, Toshitaka Nabeshima
PURPOSE: Heavy and long-term alcohol consumption increase the risk of alcohol-related diseases. Epidemiological studies show moderate drinking reduces the risk of mortality, cardiovascular diseases, and brain infarction in the J-shaped or U-shaped curve effect. However, why moderate drinkers may be healthy and non-drinkers may be ill in diverse populations remains controversial. Herein, we examined the relationship between moderate/lifelong alcohol intake and aging, especially aging-related cognitive functions in senescence-accelerated mouse prone 8 (SAMP8) model...
October 2016: Journal of Pharmacy & Pharmaceutical Sciences: a Publication of the Canadian Society for Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28011892/adipose-type-i-interferon-signalling-protects-against-metabolic-dysfunction
#18
Verena Wieser, Timon Erik Adolph, Christoph Grander, Felix Grabherr, Barbara Enrich, Patrizia Moser, Alexander Rupert Moschen, Susanne Kaser, Herbert Tilg
OBJECTIVE: Low-grade chronic inflammation emerges as a potent driver of insulin resistance and glucose dysregulation in obesity and associated non-alcoholic fatty liver disease (NAFLD). The liver, subcutaneous fat and the immune system participate in disturbances of metabolism. Type I interferon (IFN) signalling initiated by innate and adaptive immunity modulates inflammatory responses consequent to infection. However, little is known about the role of type I IFN signalling in metabolic diseases and the development of NAFLD...
December 23, 2016: Gut
https://www.readbyqxmd.com/read/28002514/lectin-purification-from-carp-roe-cyprinus-carpio-l-investigation-of-its-carbohydrate-specificity-and-application-in-histochemistry
#19
Rostyslav Antonyuk, Alexander Lutsyk, Volodymyr Antonyuk
A method of lectin purification from carp roe (CCRA) was elaborated, which includes affinity chromatography on cross-linked ovomucoid and copolymers of polyvinyl alcohol and blood group-specific substances. That allowed obtaining lectin with electrophoretic purity and yielding of ˜ 42 mg÷kg roe. Electrophoresis in 15% polyacrylamide gel in the presence of β-mercaptoethanol showed one band with molecular mass ˜ 15 kDa, whereas in the absence of β-mercaptoethanol, CCRA exposed band with molecular mass ˜ 60 kDa...
2016: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/27999369/protective-effects-of-hydrolyzed-nucleoproteins-from-salmon-milt-against-ethanol-induced-liver-injury-in-rats
#20
Akiko Kojima-Yuasa, Mayu Goto, Eri Yoshikawa, Yuri Morita, Hirotaka Sekiguchi, Keita Sutoh, Koji Usumi, Isao Matsui-Yuasa
Dietary nucleotides play a role in maintaining the immune responses of both animals and humans. Oral administration of nucleic acids from salmon milt have physiological functions in the cellular metabolism, proliferation, differentiation, and apoptosis of human small intestinal epithelial cells. In this study, we examined the effects of DNA-rich nucleic acids prepared from salmon milt (DNSM) on the development of liver fibrosis in an in vivo ethanol-carbon tetrachloride cirrhosis model. Plasma aspartate transaminase and alanine transaminase were significantly less active in the DNSM-treated group than in the ethanol plus carbon tetrachloride (CCl₄)-treated group...
December 19, 2016: Marine Drugs
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