Rats with gastritis have increased sensitivity to the gastrin stimulatory effects of luminal ammonia.

abstract：DESCRIPTION:This expert review was commissioned and approved by the AGA Institute Clinical Practice Updates Committee and the AGA Governing Board to provide timely guidance on a topic of high clinical importance to the AGA membership. The intent is to evaluate the current data on mechanism of altered coagulation in pat...

journal_title：Gastroenterology

authors： O'Leary JG,Greenberg CS,Patton HM,Caldwell SH

更新日期：2019-07-01 00:00:00

abstract：BACKGROUND & AIMS:Patients with chronic hepatitis C and persistently normal alanine aminotransferase (ALT) levels have been routinely excluded from large randomized treatment trials; consequently, the efficacy and safety of antiviral therapy in this population are unknown. METHODS:Patients with at least 3 normal ALT v...

journal_title：Gastroenterology

authors： Zeuzem S,Diago M,Gane E,Reddy KR,Pockros P,Prati D,Shiffman M,Farci P,Gitlin N,O'Brien CB,Lamour F,Lardelli P,PEGASYS Study NR16071 Investigator Group.

更新日期：2004-12-01 00:00:00

abstract：:The hypothyroid rat model was used to investigate the effect of dietary-induced hypercholesterolemia on biliary cholesterol content and bile flow. Rats were divided into four dietary groups--diet A: Rat Chow; diet B: Rat Chow plus 0.1% propylthiouracil; diet C: Rat Chow plus 0.1% propylthiouracil, 0.3% taurocholate, 5...

journal_title：Gastroenterology

authors： Field FJ,Albright E,Mathur SN

更新日期：1986-08-01 00:00:00

abstract：BACKGROUND & AIMS:Outcomes of liver transplantation for hepatocellular carcinoma (HCC) are determined by cancer-related and non-related events. Treatments for hepatitis C virus infection have reduced non-cancer events among patients receiving liver transplants, so reducing HCC-related death might be an actionable end p...

journal_title：Gastroenterology

authors： Mazzaferro V,Sposito C,Zhou J,Pinna AD,De Carlis L,Fan J,Cescon M,Di Sandro S,Yi-Feng H,Lauterio A,Bongini M,Cucchetti A

更新日期：2018-01-01 00:00:00

abstract：:Pancreatic blood flow and its relationship to pancreatic interstitial pressure were investigated in a model of chronic pancreatitis in cats using a hydrogen gas-clearance technique with an intraductal electrode. The intraductal technique correlated well with blood flow measurements made using gamma-labeled microsphere...

journal_title：Gastroenterology

authors： Reber HA,Karanjia ND,Alvarez C,Widdison AL,Leung FW,Ashley SW,Lutrin FJ

更新日期：1992-08-01 00:00:00

abstract：BACKGROUND & AIMS:Surgical management of pancreatic cancer depends on tumor resectability and staging. This study evaluated a new in vivo technique, fiberoptic confocal fluorescence microscopy (FCFM), for detection and staging of pancreatic tumors in rats. METHODS:FCFM was used with a protease-activated fluorescent ma...

journal_title：Gastroenterology

authors： Ignat M,Aprahamian M,Lindner V,Altmeyer A,Perretta S,Dallemagne B,Mutter D,Marescaux J

更新日期：2009-11-01 00:00:00

abstract：:Evidence showing that interstitial cells of Cajal have important regulatory functions in the gut musculature is accumulating. In the current study, the ultrastructure of the deep muscular plexus and associated interstial cells of Cajal in human small intestine were studied to provide a reference for identification and...

journal_title：Gastroenterology

authors： Rumessen JJ,Mikkelsen HB,Thuneberg L

更新日期：1992-01-01 00:00:00

abstract：:A new model of an acute bleeding gastric ulcer with a single bleeding artery in its base has been developed. A suction ulcer defect is created over a large, submucosal artery. Small bleeding marginal vessels are electrocoagulated with a fine-tipped bipolar forceps. The artery in the base of the ulcer is dissected free...

journal_title：Gastroenterology

authors： Dennis MB,Silverstein FE,Gilbert DA,Peoples JE

更新日期：1981-06-01 00:00:00

abstract：BACKGROUND & AIMS:Genetic variation is invoked as a strong component underlying primary biliary cirrhosis (PBC) and other autoimmune disorders. Data suggest that some of this genetic risk is shared, affecting function of the immune mechanisms controlling self-tolerance. Cytotoxic T-lymphocyte antigen 4 (CTLA4) encodes ...

journal_title：Gastroenterology

authors： Juran BD,Atkinson EJ,Schlicht EM,Fridley BL,Lazaridis KN

更新日期：2008-10-01 00:00:00

abstract：BACKGROUND & AIMS:Alterations in the gastrointestinal microbiota have been associated with metabolic diseases. However, little is known about host factors that induce changes in gastrointestinal bacterial populations. We investigated the role of bile acids in this process because of their strong antimicrobial activitie...

journal_title：Gastroenterology

authors： Islam KB,Fukiya S,Hagio M,Fujii N,Ishizuka S,Ooka T,Ogura Y,Hayashi T,Yokota A

更新日期：2011-11-01 00:00:00

abstract：BACKGROUND & AIMS:Pancreatitis is the most important risk factor for pancreatic ductal adenocarcinoma (PDAC). Pancreatitis predisposes to PDAC because it induces a process of acinar cell reprogramming known as acinar-to-ductal metaplasia (ADM)-a precursor of pancreatic intraepithelial neoplasia lesions that can progres...

journal_title：Gastroenterology

authors： Gruber R,Panayiotou R,Nye E,Spencer-Dene B,Stamp G,Behrens A

更新日期：2016-09-01 00:00:00

abstract：:Non-major histocompatibility complex-restricted cytotoxicity triggered by antibodies to the CD3 component of the human T-cell receptor complex is thought to be an indirect measure of in vivo primed cytotoxic T-cell activity. We have used this technique to examine the lytic activity of freshly isolated T cells from non...

journal_title：Gastroenterology

authors： Shanahan F,Deem R,Nayersina R,Leman B,Targan S

更新日期：1988-04-01 00:00:00

abstract：:To characterize gastric mucosal perfusion in cirrhotic patients with portal hypertensive gastropathy, 34 cirrhotics with this lesion and 24 noncirrhotics were studied by reflectance spectrophotometry and laser-Doppler flowmetry during endoscopy. A significant correlation was observed between the hemoglobin content of ...

journal_title：Gastroenterology

authors： Panés J,Bordas JM,Piqué JM,Bosch J,García-Pagán JC,Feu F,Casadevall M,Terés J,Rodés J

更新日期：1992-12-01 00:00:00

abstract：:The purpose of this study is to determine whether lower esophageal sphincter (LES) incompetency is a common occurrence in patients with liver cirrhosis and contributes to the development of variceal bleeding. Resting LES pressure (17.8 +/- 1.1 mm Hg) in 35 patients with cirrhosis was similar to that of our control pop...

journal_title：Gastroenterology

authors： Eckardt VF,Grace ND,Kantrowitz PA

更新日期：1976-08-01 00:00:00

abstract：BACKGROUND & AIMS:The optimal strategy for the detection of hereditary nonpolyposis colorectal cancer (HNPCC) gene carriers remains uncertain. We evaluated whether microsatellite instability (MSI) analysis or MSH2 and MLH1 protein immunostaining of tumors will screen individuals efficiently for germline MSH2 and MLH1 t...

journal_title：Gastroenterology

authors： Terdiman JP,Gum JR Jr,Conrad PG,Miller GA,Weinberg V,Crawley SC,Levin TR,Reeves C,Schmitt A,Hepburn M,Sleisenger MH,Kim YS

更新日期：2001-01-01 00:00:00

abstract：BACKGROUND & AIMS:Giardiasis causes malabsorptive diarrhea, and symptoms can be present in the absence of any significant morphologic injury to the intestinal mucosa. The effects of giardiasis on epithelial permeability in vivo remain unknown, and the role of T cells and myosin light chain kinase (MLCK) in altered inte...

journal_title：Gastroenterology

authors： Scott KG,Meddings JB,Kirk DR,Lees-Miller SP,Buret AG

更新日期：2002-10-01 00:00:00

abstract：BACKGROUND & AIMS:This study examined the possible role of endotoxinemia (from increased gut permeability) as an additional trigger factor for overt pancreatic disease and as a promoter of chronic pancreatic injury in alcoholics by using a rat model of chronic alcohol feeding and in vitro experiments with cultured panc...

journal_title：Gastroenterology

authors： Vonlaufen A,Xu Z,Daniel B,Kumar RK,Pirola R,Wilson J,Apte MV

更新日期：2007-10-01 00:00:00

abstract：BACKGROUND & AIMS:Activation of Fas or tumor necrosis factor receptor 1 (TNF-R1) on hepatocytes leads to apoptosis, which requires mitochondria activation. The pro-death Bcl-2 family protein, Bid, mediates this pathway by inducing mitochondrial releases of cytochrome c and other apoptotic factors. How Bid activates mit...

journal_title：Gastroenterology

authors： Zhao Y,Ding WX,Qian T,Watkins S,Lemasters JJ,Yin XM

更新日期：2003-09-01 00:00:00

abstract：BACKGROUND & AIMS:The activation of Wnt/beta-catenin signaling causes the development of gastric and colon cancers. Sox17 represses Wnt/beta-catenin signaling and is down-regulated in colon cancer. This study was designed to elucidate the role of Sox17 during the course of gastrointestinal tumorigenesis. METHODS:Sox17...

journal_title：Gastroenterology

authors： Du YC,Oshima H,Oguma K,Kitamura T,Itadani H,Fujimura T,Piao YS,Yoshimoto T,Minamoto T,Kotani H,Taketo MM,Oshima M

更新日期：2009-10-01 00:00:00

abstract：BACKGROUND & AIMS:We recently showed that dietary supplementation with an analogue of 1alpha,25-dihydroxy-vitamin D3, 1alpha,25-dihydroxy-16-ene-23-yne-26,27 F6-vitamin D3 (RO24-5531), reduced the incidence of colonic tumors in rats treated with azoxymethane (AOM). The aim of this study was to determine whether alterat...

journal_title：Gastroenterology

authors： Wali RK,Bissonnette M,Khare S,Aquino B,Niedziela S,Sitrin M,Brasitus TA

更新日期：1996-07-01 00:00:00

abstract：BACKGROUND:Somatostatin inhibits pancreatic exocrine secretion in intact animals but not in vitro, suggesting an indirect effect. The present study examined the influence of extrapancreatic nerves and intrapancreatic cholinergic activity on somatostatin-induced inhibition of pancreatic exocrine secretion in conscious d...

journal_title：Gastroenterology

authors： Kuvshinoff BW,Brodish RJ,James L,McFadden DW,Fink AS

更新日期：1993-08-01 00:00:00

abstract：BACKGROUND & AIMS:Maintenance of acid-base homeostasis is required for normal physiology, metabolism, and development. It is not clear how cell death is activated in response to changes in pH. We performed a screen to identify agents that induce cell death in a pH-dependent manner (we call this alkaliptosis) in pancrea...

journal_title：Gastroenterology

authors： Song X,Zhu S,Xie Y,Liu J,Sun L,Zeng D,Wang P,Ma X,Kroemer G,Bartlett DL,Billiar TR,Lotze MT,Zeh HJ,Kang R,Tang D

更新日期：2018-04-01 00:00:00

abstract：:Sixty-six outpatients with active ulcerative colitis who were intolerant of sulfasalazine were treated in a double-blind randomized trial. They received placebo or olsalazine sodium in daily doses of 0.75, 1.5, or 3 g. Overall, 35% of patients receiving olsalazine improved clinically, compared to 16% of patients recei...

journal_title：Gastroenterology

authors： Meyers S,Sachar DB,Present DH,Janowitz HD

更新日期：1987-12-01 00:00:00

abstract：:The assimilation of labeled cobalamin and the transport of corrinoids in portal blood, peripheral venous blood, and bile were studied in eight cholecystectomized patients, after ingestion of a dose of cyano[57Co]cobalamin (0.5 microCi). The radioactivity appeared in the portal vein after a delay of 1.5-2 hours and in ...

journal_title：Gastroenterology

authors： el Kholty S,Gueant JL,Bressler L,Djalali M,Boissel P,Gerard P,Nicolas JP

更新日期：1991-11-01 00:00:00

abstract：:Exogenous administration of substances extracted from rodent salivary glands may increase the resistance of gastric mucosal barrier to the disruptive actions of ulcerogenic agents and/or reduce acid secretory output. In the present study the influence of desalivation in the rat on acid secretory function and mucosal i...

journal_title：Gastroenterology

authors： Skinner KA,Tepperman BL

更新日期：1981-08-01 00:00:00

abstract：BACKGROUND & AIMS:Iron overload may cause or contribute to hepatic injury and fibrosis. Mutations in the HFE gene may influence development or progression of chronic liver disease by increasing iron stores or modulating immune responses. The aim of this work was to assess the influence of HFE mutations and serum and he...

journal_title：Gastroenterology

authors： Bonkovsky HL,Naishadham D,Lambrecht RW,Chung RT,Hoefs JC,Nash SR,Rogers TE,Banner BF,Sterling RK,Donovan JA,Fontana RJ,Di Bisceglie AM,Ghany MG,Morishima C,HALT-C Trial Group.

更新日期：2006-11-01 00:00:00

abstract：:The role of lipoxygenase metabolites in ethanol-induced gastric mucosal injury and submucosal microvascular change in the rat was studied by in vivo microscopy. Intragastric ethanol-instillation caused marked submucosal venular constriction, dilatation of small arterioles, and corpus mucosal gross lesion formation. Th...

journal_title：Gastroenterology

authors： Yonei Y,Guth PH

更新日期：1989-08-01 00:00:00

abstract：:CRC development is a multi-step process that spans 10 to 15 years, thereby providing an opportunity for early detection and even prevention. The poor survival rate of advanced CRC has prompted the emphasis on prevention of this disease. CRC screening and removal of adenomas is an effective intervention, and is the cor...

journal_title：Gastroenterology

authors： Arber N,Levin B

更新日期：2008-04-01 00:00:00

abstract：:In the anesthetized ferret jejunum, the role of extrinsic and intrinsic nerves in the relationship between intestinal motor activity and transmural potential difference (PD) was studied. In the vagally intact ferret and after sympathetic blockade, spontaneous bursts of jejunal motor activity were associated with fluct...

journal_title：Gastroenterology

authors： Greenwood B,Davison JS

更新日期：1985-12-01 00:00:00

abstract：BACKGROUND & AIMS:Previous research has yielded conflicting data as to whether the natural history of inflammatory bowel disease follows a seasonal pattern. The purpose of this study was to determine whether relapse of inflammatory bowel disease follows a seasonal pattern either across a cohort of patients or within in...

journal_title：Gastroenterology

authors： Lewis JD,Aberra FN,Lichtenstein GR,Bilker WB,Brensinger C,Strom BL

更新日期：2004-03-01 00:00:00