Effects of test meal, intragastric nutrients, and intraduodenal bile on plasma concentrations of immunoreactive somatostatin and vasoactive intestinal peptide in dogs.

abstract：BACKGROUND & AIMS:In searching for effects of acetaminophen (APAP) on hepatocytes downstream of its metabolism that may participate in hepatotoxicity, we examined the role of stress kinases. METHODS:Mouse hepatocytes and C57BL/6 mice were administered a toxic dose of APAP with or without SP600125, a chemical c-jun N-t...

journal_title：Gastroenterology

authors： Gunawan BK,Liu ZX,Han D,Hanawa N,Gaarde WA,Kaplowitz N

更新日期：2006-07-01 00:00:00

abstract：:Liver copper concentration was studied in four groups of age-matched patients and in 9 patients with Wilson's disease of comparable age. Neutron activation analysis of hepatic copper concentration revealed markedly elevated hepatic copper levels, comparable with those in Wilson's disease, in 13 of 15 patients (P less ...

journal_title：Gastroenterology

authors： Evans J,Newman S,Sherlock S

更新日期：1978-11-01 00:00:00

abstract：:Phospholipases are enzymes that hydrolyze specific portions of phospholipid molecules. Their role in the digestion of exogenous phospholipids and as the active principle in snake and bee venoms has long been appreciated. Interest has increased in phospholipases recently because of new data implicating them in the infl...

journal_title：Gastroenterology

authors： Mansbach CM 2nd

更新日期：1990-05-01 00:00:00

abstract：:Strategies for management of inflammatory bowel diseases are shifting from simple control of symptoms toward full control of these diseases (clinical and endoscopic remission), with the final aim of blocking their progression and preventing bowel damage and disability. New goals have been proposed for treatment, such ...

journal_title：Gastroenterology

authors： Colombel JF,Narula N,Peyrin-Biroulet L

更新日期：2017-02-01 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 effects of chronic mild restraint on the susceptibility of the rat gastric mucosa to ethanol or cold-restraint injury were studied. Gastric mucosas of animals subjected to chronic mild restraint exhibited less damage when bathed with 40% ethanol than those of control animals. This reduced damage was observed with ...

journal_title：Gastroenterology

authors： Wallace JL,Track NS,Cohen MM

更新日期：1983-08-01 00:00:00

abstract：BACKGROUND & AIMS:Although patients with inflammatory bowel disease (IBD) have reduced bone mass, there is controversy whether there is an increased risk of fracture. This study examines the risk of fracture and its predictors in patients with IBD. METHODS:In a primary care- based nested case-control study, 231,778 fr...

journal_title：Gastroenterology

authors： van Staa TP,Cooper C,Brusse LS,Leufkens H,Javaid MK,Arden NK

更新日期：2003-12-01 00:00:00

abstract：:The aim of the present study was to characterize rat mucosal colonic cells harvested from the crypt continuum during differentiation and dimethylhydrazine-induced neoplasia. The collection of colonocytes was performed using a modified nonenzymatic isolation procedure based on Ca2+ chelation and gentle mechanical disso...

journal_title：Gastroenterology

authors： Schwartz B,Avivi C,Lamprecht SA

更新日期：1991-03-01 00:00:00

abstract：BACKGROUND & AIMS:Histamine-producing enterochromaffin-like (ECL) cells play an integrative role in the regulation of acid secretion. Decreased mucosal histamine concentrations and increased levels of interleukin (IL) 1 beta, IL-6, and IL-8 have been detected in the gastric mucosa inflamed with Helicobacter pylori. The...

journal_title：Gastroenterology

authors： Prinz C,Neumayer N,Mahr S,Classen M,Schepp W

更新日期：1997-02-01 00:00:00

abstract：:In this study, quantitation of the epithelial proliferation status of gastric glands and duodenal crypts was performed using endoscopic biopsy specimens from patients with rheumatological conditions requiring long-term anti-inflammatory and analgesic therapy, testing the hypothesis that long-term administration of non...

journal_title：Gastroenterology

authors： Levi S,Goodlad RA,Lee CY,Walport MJ,Wright NA,Hodgson HJ

更新日期：1992-05-01 00:00:00

abstract：:The effects of hypothalamic microinfusions of cholecystokinin octapeptide and its antagonist L364,718 on cecocolonic myoelectrical activity were evaluated by electromyography in fasted and fed rats. The rats were chronically fitted with electrodes implanted on the cecum and proximal colon and cannulas placed bilateral...

journal_title：Gastroenterology

authors： Liberge M,Arruebo MP,Bueno L

更新日期：1991-02-01 00:00:00

abstract：BACKGROUND & AIMS:Defects in the epithelial tight junction (TJ) barrier contribute to development of intestinal inflammation associated with diseases. Interleukin 1 beta (IL1B) increases intestinal permeability in mice. We investigated microRNAs that are regulated by IL1B and their effects on expression of TJ proteins ...

journal_title：Gastroenterology

authors： Rawat M,Nighot M,Al-Sadi R,Gupta Y,Viszwapriya D,Yochum G,Koltun W,Ma TY

更新日期：2020-10-01 00:00:00

abstract：:We studied 375 chronic hemodialysis patients for evidence of hepatitis B virus infection using first- and second-generation monoclonal radioimmunoassays. These assays employ high-affinity monoclonal antibodies produced against antigenic determinants that reside on hepatitis B surface antigen. Such assays have a lower ...

journal_title：Gastroenterology

authors： Fujita YK,Kamata K,Kameda H,Isselbacher KJ,Wands JR

更新日期：1986-12-01 00:00:00

abstract：BACKGROUND & AIMS:Liver injury leads to generation of reactive oxygen and nitrogen species, which can react to produce peroxynitrite (ONOO-). We investigated whether ONOO- and its metabolites modulate extracellular matrix remodeling. METHODS:Stellate cells (HSC) were incubated with pure ONOO- or SIN-1 (a ONOO- donor)....

journal_title：Gastroenterology

authors： Urtasun R,Cubero FJ,Vera M,Nieto N

更新日期：2009-04-01 00:00:00

abstract：BACKGROUND & AIMS:We have shown that addition of gum arabic (GA) to a 90 mmol/L sodium-111 mmol/L glucose oral rehydration solution (ORS) enhances its effectiveness for water and electrolyte absorption in normal rats. The present study extends these observations on GA in ORS to two rat models of diarrheal disease. MET...

journal_title：Gastroenterology

authors： Wapnir RA,Wingertzahn MA,Moyse J,Teichberg S

更新日期：1997-06-01 00:00:00

abstract：BACKGROUND & AIMS:Previous studies indicated that the peptide neurotensin (NT) stimulates Cl(-) secretion in animal small intestinal mucosa in vitro. In this study, we investigated whether NT causes Cl(-) secretion in human colonic mucosa and examined the mechanism of this response. METHODS:Human mucosal preparations ...

journal_title：Gastroenterology

authors： Riegler M,Castagliuolo I,Wang C,Wlk M,Sogukoglu T,Wenzl E,Matthews JB,Pothoulakis C

更新日期：2000-08-01 00:00:00

abstract：:The type of cirrhosis was blindly evaluated in follow-up liver biopsies performed on 106 alcoholic men with micronodular cirrhosis. The median time interval from entry to follow-up liver biopsy was 31 mo (range, 3-44 mo). Patients were stratified into four groups according to their maximal registered ethanol consumpti...

journal_title：Gastroenterology

authors： Gluud C,Christoffersen P,Eriksen J,Wantzin P,Knudsen BB

更新日期：1987-08-01 00:00:00

abstract：BACKGROUND & AIMS:Calcitonin gene-related peptide (CGRP) protects the gastric mucosa against injurious stimuli in various experimental models. The underlying mechanism could be the increase in gastric mucosal blood flow (GMBF). A number of endogenous vasodilators exert their effects through the activation of adenosine ...

journal_title：Gastroenterology

authors： Doi K,Nagao T,Kawakubo K,Ibayashi S,Aoyagi K,Yano Y,Yamamoto C,Kanamoto K,Iida M,Sadoshima S,Fujishima M

更新日期：1998-01-01 00:00:00

abstract：BACKGROUND/AIMS:Intestinal distention induces perception and gut reflexes via sympathetic and vagal pathways, but the modulatory mechanisms of such responses remain obscure. The aim of this study was to determine the effects of sympathetic nervous activity on sympathetic and vagal reflexes as well as on intestinal and ...

journal_title：Gastroenterology

authors： Iovino P,Azpiroz F,Domingo E,Malagelada JR

更新日期：1995-03-01 00:00:00

abstract：BACKGROUND/AIMS:Cytokines are thought to be important in mediating tissue damage in inflammatory bowel disease (IBD). Many of the in vivo activities of tumor necrosis factor alpha (TNF-alpha) match the changes found in IBD, but its importance is controversial. METHODS:A sensitive, reverse hemolytic plaque assay was us...

journal_title：Gastroenterology

authors： Breese EJ,Michie CA,Nicholls SW,Murch SH,Williams CB,Domizio P,Walker-Smith JA,MacDonald TT

更新日期：1994-06-01 00:00:00

abstract：BACKGROUND & AIMS:Adenosine mediates immune suppression and is generated by the ectonucleotidases CD39 (ENTPD1) and CD73 that are expressed on vascular endothelial cells and regulatory T cells (Tregs). Although tumor-infiltrating immune cells include Foxp3(+) Tregs, it is not clear whether local adenosine generation by...

journal_title：Gastroenterology

authors： Sun X,Wu Y,Gao W,Enjyoji K,Csizmadia E,Müller CE,Murakami T,Robson SC

更新日期：2010-09-01 00:00:00

abstract：BACKGROUND & AIMS:Hepatic myelopathy is a rare complication of chronic liver disease, causing progressive spastic paraparesis. Today, no therapy of this disorder has been established. Commonly used therapeutic strategies for hepatic encephalopathy aiming at the reduction of plasma ammonia levels such as protein restric...

journal_title：Gastroenterology

authors： Weissenborn K,Tietge UJ,Bokemeyer M,Mohammadi B,Bode U,Manns MP,Caselitz M

更新日期：2003-02-01 00:00:00

abstract：BACKGROUND & AIMS:Our aim was to investigate the relationship between alcohol consumption and iron overload, iron deficiency, or iron deficiency anemia in the U.S. population. METHODS:Adult participants of the Third National Health and Nutrition Examination Survey who did not consume alcohol (n = 8839) were compared w...

journal_title：Gastroenterology

authors： Ioannou GN,Dominitz JA,Weiss NS,Heagerty PJ,Kowdley KV

更新日期：2004-05-01 00:00:00

abstract：BACKGROUND & AIMS:Prucalopride is a selective, high-affinity agonist of the 5-hydroxytryptamine (serotonin) receptor 4 that enhances motility in the gastrointestinal tract. We performed a multicenter, randomized, placebo-controlled, double-blind, phase 3 trial to evaluate the efficacy and safety of prucalopride in chil...

journal_title：Gastroenterology

authors： Mugie SM,Korczowski B,Bodi P,Green A,Kerstens R,Ausma J,Ruth M,Levine A,Benninga MA

更新日期：2014-12-01 00:00:00

abstract：:The onset, course, and regression of the biochemical and structural alterations associated with pancreatitis induced by various doses of caerulein were studied in the mouse. In addition, the protective effect of secretin was compared with that of the cholecystokinin-receptor antagonists proglumide and benzotript. Subc...

journal_title：Gastroenterology

authors： Niederau C,Ferrell LD,Grendell JH

更新日期：1985-05-01 00:00:00

abstract：BACKGROUND & AIMS:Changes in the properties of visceral sensory neurons contribute to the development of gastrointestinal pain. However, little is known about the molecules involved in mechanosensation from the gastrointestinal tract. We investigated the phosphorylation of extracellular signal-regulated kinase 1/2 (ERK...

journal_title：Gastroenterology

authors： Sakurai J,Obata K,Ozaki N,Tokunaga A,Kobayashi K,Yamanaka H,Dai Y,Kondo T,Miyoshi K,Sugiura Y,Matsumoto T,Miwa H,Noguchi K

更新日期：2008-04-01 00:00:00

abstract：BACKGROUND & AIMS:Hydrophobic bile acids have been implicated in the pathogenesis of cholestatic liver injury. The hypothesis that hydrophobic bile acid toxicity is mediated by oxidant stress in an in vivo rat model was tested in this study. METHODS:A dose-response study of bolus intravenous (i.v.) taurochenodeoxychol...

journal_title：Gastroenterology

authors： Sokol RJ,McKim JM Jr,Goff MC,Ruyle SZ,Devereaux MW,Han D,Packer L,Everson G

更新日期：1998-01-01 00:00:00

abstract：BACKGROUND & AIMS:Although the cell of origin for pancreatic cancer remains unknown, prior studies have suggested that pancreatic neoplasia may be initiated in progenitor-like cells. To examine the effects of oncogene activation within the pancreatic progenitor pool, we devised a system for real-time visualization of b...

journal_title：Gastroenterology

authors： Park SW,Davison JM,Rhee J,Hruban RH,Maitra A,Leach SD

更新日期：2008-06-01 00:00:00

abstract：:The short-term effects of rat pancreatic duct obstruction were evaluated and compared with those recently reported to follow obstruction of the rabbit pancreatic duct. In both species pancreatic edema and hyperamylasemia are noted, and the lysosomal hydrolase cathepsin B is redistributed from the lysosome-enriched to ...

journal_title：Gastroenterology

authors： Ohshio G,Saluja A,Steer ML

更新日期：1991-01-01 00:00:00

abstract：:Twenty-two patients with Zollinger-Ellison syndrome were managed by a combined medical and surgical approach. Patients were treated initially with cimetidine or ranitidine. A laparotomy was performed to remove easily resectable tumors and to carry out a proximal gastric vagotomy. Tumors were found in 9 patients (41%) ...

journal_title：Gastroenterology

authors： Richardson CT,Peters MN,Feldman M,McClelland RN,Walsh JH,Cooper KA,Willeford G,Dickerman RM,Fordtran JS

更新日期：1985-08-01 00:00:00