Giardiasis in the mouse: an animal model.

abstract：BACKGROUND & AIMS:Toll-like receptors (TLRs) represent a class of transmembrane pattern recognition receptors essential for microbial recognition and control of innate immune responses. Commensal bacteria play an important role in maintaining tolerance and active stability of the intestinal epithelial barrier by suppre...

journal_title：Gastroenterology

authors： Cario E,Gerken G,Podolsky DK

更新日期：2007-04-01 00:00:00

abstract：:The effect of somatostatin 28, a noval intestinal peptide containing somatostatin in its C-terminal portion, was tested on basal exocrine pancreatic secretion on conscious dogs and after stimulation by secretin (1 CU x kg-1 x hr-1), caerulein (37.5 ng x kg-1 x hr-1) or secretin (2 CU x kg-1 x hr-1) caerulein (37.5 ng ...

journal_title：Gastroenterology

authors： Susini C,Esteve JP,Vaysse N,Pradayrol L,Ribet A

更新日期：1980-10-01 00:00:00

abstract：:Although nocturnal acid secretion has been emphasized in the pathophysiology and treatment of duodenal ulcer, its importance in gastric ulcer disease has been questioned. To explore this area, this multicenter U.S. trial compared the effect of a once-daily nighttime dose of H2-receptor antagonist with placebo on the h...

journal_title：Gastroenterology

authors： McCullough AJ,Graham DY,Knuff TE,Lanza FL,Levenson HL,Lyon DT,Munsell WP,Perozza J,Roufail WM,Sinar DR

更新日期：1989-10-01 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：:In dispersed acini prepared from guinea pig pancreas, ethanol inhibited the increase in amylase secretion caused by cholecystokinin, carbachol, secretin, or vasoactive intestinal peptide. Ethanol did not alter binding of [125I] vasoactive intestinal peptide to pancreatic acinar cells or the inhibition of binding cause...

journal_title：Gastroenterology

authors： Uhlemann ER,Robberecht P,Gardner JD

更新日期：1979-05-01 00:00:00

abstract：BACKGROUND & AIMS:Anemia is associated commonly with acute and chronic inflammation, but the mechanisms of their interaction are not clear. We investigated whether microRNA 122 (MIR122), which is generated in the liver and is secreted into the blood, is involved in the development of anemia associated with inflammation...

journal_title：Gastroenterology

authors： Rivkin M,Simerzin A,Zorde-Khvalevsky E,Chai C,Yuval JB,Rosenberg N,Harari-Steinfeld R,Schneider R,Amir G,Condiotti R,Heikenwalder M,Weber A,Schramm C,Wege H,Kluwe J,Galun E,Giladi H

更新日期：2016-11-01 00:00:00

abstract：:Twenty patients with antimicrobiol-associated diarrhea had a symptomatic relapse after oral vancomycin therapy. All patients had stool examinations which implicated C. difficile as the causative agent, and 16 had pseudomembranous colitis. Clinical courses were characterized by resolution of symptoms with recurrence of...

journal_title：Gastroenterology

authors： Bartlett JG,Tedesco FJ,Shull S,Lowe B,Chang T

更新日期：1980-03-01 00:00:00

abstract：BACKGROUND & AIMS:Hemosiderosis may have a detrimental effect on some chronic liver diseases. The aim of this study was to determine the prevalence and diagnostic implications of hemosiderosis in cirrhosis. METHODS:Tissue iron in 447 cirrhotic livers was studied histologically and chemically. RESULTS:Positive iron st...

journal_title：Gastroenterology

authors： Ludwig J,Hashimoto E,Porayko MK,Moyer TP,Baldus WP

更新日期：1997-03-01 00:00:00

abstract：:Rotaviruses cause life-threatening gastroenteritis in children worldwide; the enormous disease burden has focused efforts to develop vaccines and led to the discovery of novel mechanisms of gastrointestinal virus pathogenesis and host responses to infection. Two live-attenuated vaccines for gastroenteritis (Rotateq [M...

journal_title：Gastroenterology

authors： Greenberg HB,Estes MK

更新日期：2009-05-01 00:00:00

abstract：:The histamine-storing enterochromaffinlike cells, which are numerous in the oxyntic mucosa of the rat stomach, are known to proliferate in response to long-lasting hypergastrinaemia. In addition, portacaval shunting, which is not associated with elevated serum gastrin, causes an increase in enterochromaffinlike cell d...

journal_title：Gastroenterology

authors： Axelson J,Ekelund M,Sundler F,Håkanson R

更新日期：1990-09-01 00:00:00

abstract：BACKGROUND & AIMS:Increased levels of galectin 3 have been associated with nonalcoholic steatohepatitis (NASH) and contribute to toxin-induced liver fibrosis in mice. GR-MD-02 (belapectin) is an inhibitor of galectin 3 that reduces liver fibrosis and portal hypertension in rats and was safe and well tolerated in phase ...

journal_title：Gastroenterology

authors： Chalasani N,Abdelmalek MF,Garcia-Tsao G,Vuppalanchi R,Alkhouri N,Rinella M,Noureddin M,Pyko M,Shiffman M,Sanyal A,Allgood A,Shlevin H,Horton R,Zomer E,Irish W,Goodman Z,Harrison SA,Traber PG,Belapectin (GR-MD-02) Stud

更新日期：2020-04-01 00:00:00

abstract：BACKGROUND & AIMS:The pregnane X receptor (PXR) regulates an array of genes involved in the response to xenobiotics. Evidence from several studies suggests that xenobiotic metabolism may play a role in inflammatory bowel disease (IBD) and that low levels of PXR may be associated with disease expression. The aim of this...

journal_title：Gastroenterology

authors： Dring MM,Goulding CA,Trimble VI,Keegan D,Ryan AW,Brophy KM,Smyth CM,Keeling PW,O'Donoghue D,O'Sullivan M,O'Morain C,Mahmud N,Wikström AC,Kelleher D,McManus R

更新日期：2006-02-01 00:00:00

abstract：BACKGROUND & AIMS:Cellular and molecular mechanisms of esophageal ulcer healing remain unexplored. We studied the sequential cellular events and the expression of keratinocyte growth factor (KGF) and its receptor (KGF-R) during the healing of experimental esophageal ulcers. METHODS:Esophageal ulcers were produced in r...

journal_title：Gastroenterology

authors： Baatar D,Kawanaka H,Szabo IL,Pai R,Jones MK,Kitano S,Tarnawski AS

更新日期：2002-02-01 00:00:00

abstract：:The noninvasive assessment of intestinal permeability in humans has a 20-year history. Because the tests are increasingly used in clinical practice and research and because there is much controversy, we reviewed the literature and outlined the potential and possible shortcomings of these procedures. Data was obtained ...

journal_title：Gastroenterology

authors： Bjarnason I,MacPherson A,Hollander D

更新日期：1995-05-01 00:00:00

abstract：BACKGROUND & AIMS:Fatty acids are natural ligands of the peroxisome proliferator-activated receptor alpha (PPARalpha). Synthetic ligands of this nuclear receptor, i.e., fibrates, induce the hepatic expression of the multidrug resistance 2 gene (Mdr2), encoding the canalicular phospholipid translocator, and affect hepat...

journal_title：Gastroenterology

authors： Kok T,Wolters H,Bloks VW,Havinga R,Jansen PL,Staels B,Kuipers F

更新日期：2003-01-01 00:00:00

abstract：:Ileocecal sphincter pressure was studied in the cat, using an open-tipped perfused catheter system. Ileocecal sphincter pressure was measured under basal conditions and in response to bethanechol or direct vagal nerve electrical stimulation. The pressure was 26.1 +/- 5.0 mmHg basally, and was unaltered by section of e...

journal_title：Gastroenterology

authors： Rubin MR,Cardwell BA,Ouyang A,Snape WJ Jr,Cohen S

更新日期：1981-05-01 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：:This study presents normal values of bowel habits, colonic transit times of radioopaque markers, and anorectal pressure obtained from 114 normal subjects. Their stool frequency ranged from 3 to 11 per 7 days, whereas their diet contained an average of 14.4 g of crude fibers. Radioopaque markers progressed regularly al...

journal_title：Gastroenterology

authors： Martelli H,Devroede G,Arhan P,Duguay C,Dornic C,Faverdin C

更新日期：1978-10-01 00:00:00

abstract：:A prospective, randomized, controlled experiment using a canine model of severely bleeding gastric ulcer was performed to compare the hemostatic efficacy and tissue damage produced by one bipolar and two monopolar electrodes. Both monopolar electrodes were insulated to their tips; they differed with respect to their s...

journal_title：Gastroenterology

authors： Protell RL,Gilbert DA,Silverstein FE,Jensen DM,Hulett FM,Auth DC

更新日期：1981-03-01 00:00:00

abstract：:A 20-yr-old man developed recurrent respiratory symptoms and left lower lobe pneumonia 14 yr after long-segment colonic interposition for corrosive esophageal injury. A fistula, from a redundant supradiaphragmatic pouch of colon to a subsegmental bronchus of the lower lobe of the left lung, was discovered and treated ...

journal_title：Gastroenterology

authors： Perlmutter DH,Tapper D,Teele RL,Winter HS

更新日期：1984-06-01 00:00:00

abstract：BACKGROUND & AIMS:Canalicular secretion of bile acids is stimulated by tauroursodesoxycholate (TUDC). This study investigates the underlying mechanisms. METHODS:TUDC effects on mitogen-activated protein (MAP) kinases, taurocholate (TC) excretion, proteolysis, and the localization of the bile salt export pump (Bsep) we...

journal_title：Gastroenterology

authors： Kurz AK,Graf D,Schmitt M,Vom Dahl S,Häussinger D

更新日期：2001-08-01 00:00:00

abstract：BACKGROUND & AIMS:Hepatitis B virus (HBV) covalently closed circular DNA (cccDNA) is a unique episomal replicative intermediate responsible for persistent infection of hepatocytes. Technical constraints have hampered the direct study of cccDNA maintenance and clearance mechanisms in patients. The aim of this study was ...

journal_title：Gastroenterology

authors： Werle-Lapostolle B,Bowden S,Locarnini S,Wursthorn K,Petersen J,Lau G,Trepo C,Marcellin P,Goodman Z,Delaney WE 4th,Xiong S,Brosgart CL,Chen SS,Gibbs CS,Zoulim F

更新日期：2004-06-01 00:00:00

abstract：BACKGROUND & AIMS:The complications of diverticulosis cause considerable morbidity in the United States; health care expenditures for this disorder are estimated to be $2.5 billion per year. Many physicians and patients believe that a high-fiber diet and frequent bowel movements prevent the development of diverticulosi...

journal_title：Gastroenterology

authors： Peery AF,Barrett PR,Park D,Rogers AJ,Galanko JA,Martin CF,Sandler RS

更新日期：2012-02-01 00:00:00

abstract：BACKGROUND & AIMS:The aim of this study was to determine whether expression of hepatitis C virus proteins alters hepatic morphology or function in the absence of inflammation. METHODS:Transgenic C57BL/6 mice with liver-specific expression of RNA encoding the complete viral polyprotein (FL-N transgene) or viral structu...

journal_title：Gastroenterology

authors： Lerat H,Honda M,Beard MR,Loesch K,Sun J,Yang Y,Okuda M,Gosert R,Xiao SY,Weinman SA,Lemon SM

更新日期：2002-02-01 00:00:00

abstract：:Flow cytometry was used to detect the presence and assess the distribution of aneuploid cell populations in eight proctocolectomy specimens from patients with ulcerative colitis. Mucosal samples were taken according to a systematic protocol for flow cytometry, the surrounding tissue was examined histologically, and th...

journal_title：Gastroenterology

authors： Levine DS,Rabinovitch PS,Haggitt RC,Blount PL,Dean PJ,Rubin CE,Reid BJ

更新日期：1991-11-01 00:00:00

abstract：BACKGROUND & AIMS:Transferrin receptor 2 (TfR2) plays a key role in the regulation of iron metabolism. Mutations of TfR2 in humans cause type 3 hereditary hemochromatosis. Although highly expressed in liver, several studies have reported TfR2 expression in other tissues. To determine the contribution of liver expressed...

journal_title：Gastroenterology

authors： Wallace DF,Summerville L,Subramaniam VN

更新日期：2007-01-01 00:00:00

abstract：BACKGROUND & AIMS:The mechanism by which sulindac causes regression of adenomas in patients with familial adenomatous polyposis (FAP) is unclear. Conflicting data on the drug's effects on colorectal epithelial proliferation have been reported. An alternative mechanism, and one not previously studied, is via induction o...

journal_title：Gastroenterology

authors： Pasricha PJ,Bedi A,O'Connor K,Rashid A,Akhtar AJ,Zahurak ML,Piantadosi S,Hamilton SR,Giardiello FM

更新日期：1995-09-01 00:00:00

abstract：BACKGROUND & AIMS:Platelet-activating factor (PAF) is increased during relapse of ulcerative colitis. In animal models of experimental colitis, specific inhibition of PAF has reduced inflammation. The aim of this study was to evaluate the efficacy and safety of the PAF antagonist SR27417A in moderately active UC. METH...

journal_title：Gastroenterology

authors： Stack WA,Jenkins D,Vivet P,Hawkey CJ

更新日期：1998-12-01 00:00:00

abstract：BACKGROUND & AIMS:To investigate the peripheral sensory effects of repeated stress in patients with postinfectious irritable bowel syndrome (IBS), we tested whether stress following self-limiting bacterial colitis increases colonic dorsal root ganglia (DRG) nociceptive signaling. METHODS:C57BL/6 mice were infected wit...

journal_title：Gastroenterology

authors： Ibeakanma C,Ochoa-Cortes F,Miranda-Morales M,McDonald T,Spreadbury I,Cenac N,Cattaruzza F,Hurlbut D,Vanner S,Bunnett N,Vergnolle N,Vanner S

更新日期：2011-12-01 00:00:00

abstract：BACKGROUND/AIMS:Recent in vivo studies using proton magnetic resonance (1H-MR) spectroscopy showed low levels of myo-inositol in the brain in hepatic encephalopathy; the pathogenetic relevance of this observation is unclear. METHODS:Myo-inositol and glutamine levels in the brain were studied in vivo by 1H-MR spectrosc...

journal_title：Gastroenterology

authors： Häussinger D,Laubenberger J,vom Dahl S,Ernst T,Bayer S,Langer M,Gerok W,Hennig J

更新日期：1994-11-01 00:00:00