Campylobacter fetus ss. jejuni: a cause of massive lower gastrointestinal hemorrhage.

abstract：BACKGROUND & AIMS:Spontaneous hepatitis B surface antigen (HBsAg) seroclearance is a rare event in patients with chronic hepatitis B virus infection. The aim of this study was to clarify the controversy on long-term prognosis following spontaneous HBsAg seroclearance using a large series of patients. METHODS:A total o...

journal_title：Gastroenterology

authors： Chen YC,Sheen IS,Chu CM,Liaw YF

更新日期：2002-10-01 00:00:00

abstract：BACKGROUND:It is generally believed that M cells do not modify the antigens they transport from the intestinal lumen to underlying immunocompetent cells because it has been reported that M cells contain few elements of the lysosomal system. METHODS:We used specific cytochemical and immunocytochemical probes to examine...

journal_title：Gastroenterology

authors： Allan CH,Mendrick DL,Trier JS

更新日期：1993-03-01 00:00:00

abstract：:Hyperplasia of the oxyntic enterochromaffinlike cells in response to long-lasting blockade of acid secretion is closely related to hypergastrinemia. In the present study, the effect of a specific gastrin receptor antagonist on proton pump inhibitor-induced changes on serum gastrin levels, mucosal height, as well as ga...

journal_title：Gastroenterology

authors： Eissele R,Patberg H,Koop H,Krack W,Lorenz W,McKnight AT,Arnold R

更新日期：1992-11-01 00:00:00

abstract：:We studied whether 16,16--dimethyl prostaglandin E2 (dmPGE2) may prevent acute liver damage induced by carbon tetrachloride (CCl4) in the rat. One hundred thirty male rats were divided into the following groups: (1) controls, (2) rats given CCl4 6670 mg/kg body wt subcutaneously, (3) rats pretreated with 5 micrograms/...

journal_title：Gastroenterology

authors： Stachura J,Tarnawski A,Ivey KJ,Mach T,Bogdal J,Szczudrawa J,klimczyk B

更新日期：1981-08-01 00:00:00

abstract：BACKGROUND & AIMS:Lamivudine inhibits hepatitis B virus replication. This study investigated 6 months of lamivudine treatment at three doses. METHODS:Fifty-one patients (43% white, 49% Asian) with chronic hepatitis B were randomly assigned to receive 25, 100, or 300 mg of lamivudine orally once daily for 24 weeks with...

journal_title：Gastroenterology

authors： Nevens F,Main J,Honkoop P,Tyrrell DL,Barber J,Sullivan MT,Fevery J,De Man RA,Thomas HC

更新日期：1997-10-01 00:00:00

abstract：:The community of microorganisms within the human gut (or microbiota) is critical to health and functions with a level of complexity comparable to that of an organ system. Alterations of this ecology (or dysbiosis) have been implicated in a number of disease states, and the prototypical example is Clostridium difficile...

journal_title：Gastroenterology

authors： Kelly CR,Kahn S,Kashyap P,Laine L,Rubin D,Atreja A,Moore T,Wu G

更新日期：2015-07-01 00:00:00

abstract：:To determine if changes in intestinal motility occur during pregnancy, we studied small intestinal myoelectric activity, using monopolar electrodes, in fasted pregnant rats from day 12 to day 18 of the 22-day gestation period. We also studied fasting myoelectric activity in postpartum, nonpregnant, and castrate female...

journal_title：Gastroenterology

authors： Scott LD,Lester R,Van Thiel DH,Wald A

更新日期：1983-02-01 00:00:00

abstract：:The factors responsible for prevention of duodenal mucosal injury are not known. This series of experiments was performed to determine whether the human duodenum secretes bicarbonate that could prevent mucosal damage. To isolate a 4-cm segment of proximal (i.e., the duodenal bulb) or distal duodenum free of contaminat...

journal_title：Gastroenterology

authors： Isenberg JI,Hogan DL,Koss MA,Selling JA

更新日期：1986-08-01 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：:There is increasing evidence that ingested diet-borne components are involved in the pathogenesis of disorders such as inflammatory bowel diseases, atherosclerosis, and type 2 diabetes. Nutrients can have short- and long-term effects in shaping the composition of the microbiota. Western diets (enriched in fat, phospha...

journal_title：Gastroenterology

authors： Tilg H,Moschen AR

更新日期：2015-05-01 00:00:00

abstract：:There are apparent similarities in the mechanisms of the intestinal phase of exocrine and pancreatic polypeptide (PP) secretion by the pancreas. To characterize this relationship, we measured incremental responses of protein, bicarbonate, and PP to graded doses of intravenous secretin, caerulein, CCK8, CCK33, bethanec...

journal_title：Gastroenterology

authors： Beglinger C,Taylor IL,Grossman MI,Solomon TE

更新日期：1984-09-01 00:00:00

abstract：BACKGROUND & AIMS:The absence of grade A supporting evidence for surveillance colonoscopy in patients with ulcerative colitis (UC) has led to controversy regarding its benefit, yet it is routinely recommended in practice guidelines. Limited data are available on rates of colonoscopy surveillance and factors associated ...

journal_title：Gastroenterology

authors： Velayos FS,Liu L,Lewis JD,Allison JE,Flowers N,Hutfless S,Abramson O,Perry GS,Herrinton LJ

更新日期：2010-11-01 00:00:00

abstract：:We studied gallbladder bile flow before, during, and after cholesterol gallstone formation in the prairie dog using infusion cholescintigraphy with 99mTc-diethyl iminodiacetic acid. In 18 fasting animals partitioning of bile between gallbladder and intestine was determined every 15 min for 140 min, and gallbladder res...

journal_title：Gastroenterology

authors： Pellegrini CA,Ryan T,Broderick W,Way LW

更新日期：1986-01-01 00:00:00

abstract：:The effects of a variety of substances influencing the initiation of cyclic motor events at the gastroduodenal junction were studied in conscious sheep. A significant and long-lasting decrease in the frequency of cyclic events from approximately 100 min to 30-40 min was elicited by the intraduodenal bulb administratio...

journal_title：Gastroenterology

authors： Ruckebusch Y

更新日期：1984-11-01 00:00:00

abstract：BACKGROUND:The role of cytotoxicity mediated by peripheral blood mononuclear cells for colonic epithelial cells in inflammatory bowel disease (IBD) is still controversial. To clarify it, we studied major histocompatibility antigen (MHC)-restricted T cell-mediated cytotoxicity (CTL). METHODS:Cytotoxicity was measured b...

journal_title：Gastroenterology

authors： Okazaki K,Morita M,Nishimori I,Sano S,Toyonaga M,Nakazawa Y,Yamamoto Y,Yamamoto Y

更新日期：1993-02-01 00:00:00

abstract：:In order to assess the efficacy of cimetidine in patients with endoscopically anastomotic ulcer after partial gastrectomy, 21 such patients entered a double-blind prospective clinical trial. At endoscopy after 4 wk of treatment, 8 of 12 patients treated with 1 g of cimetidine daily compared with 1 of 9 patients who re...

journal_title：Gastroenterology

authors： Festen HP,Lamers CB,Driessen WM,Van Tongeren JH

更新日期：1979-07-01 00:00:00

abstract：:The purpose of these experiments was to determine the contribution of gastrin to the acid secretory response to eating in healthy human subjects. To simulate the gastric and intestinal phases of eating, a meal was homogenized and then infused into the stomach through a nasogastric tube. At the same time, the cephalic ...

journal_title：Gastroenterology

authors： Blair AJ 3rd,Richardson CT,Walsh JH,Feldman M

更新日期：1987-04-01 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：BACKGROUND & AIMS:The tumor necrosis factor (TNF)-alpha/TNF receptor system is critical for liver development because hepatocytes undergo apoptosis if the antiapoptotic cascades resulting in RelA NF-kappaB activation are not effective. Therefore, we studied the role of TNF-alpha in fulminant hepatic failure (FHF) and d...

journal_title：Gastroenterology

authors： Streetz K,Leifeld L,Grundmann D,Ramakers J,Eckert K,Spengler U,Brenner D,Manns M,Trautwein C

更新日期：2000-08-01 00:00:00

abstract：BACKGROUND & AIMS:In the absence of a genetic test, diagnostic criteria for hereditary hemochromatosis have been imprecise. The identification of the HFE gene and the C282Y mutation allow definition of expression of this disease and reassessment of diagnostic criteria. The aim of this study was to analyze the concordan...

journal_title：Gastroenterology

authors： Crawford DH,Jazwinska EC,Cullen LM,Powell LW

更新日期：1998-05-01 00:00:00

abstract：BACKGROUND & AIMS:Linaclotide is a minimally absorbed agonist of guanylate cyclase-C (GUCY2C or GC-C) that reduces symptoms associated with irritable bowel syndrome with constipation (IBS-C). Little is known about the mechanism by which linaclotide reduces abdominal pain in patients with IBS-C. METHODS:We determined t...

journal_title：Gastroenterology

authors： Castro J,Harrington AM,Hughes PA,Martin CM,Ge P,Shea CM,Jin H,Jacobson S,Hannig G,Mann E,Cohen MB,MacDougall JE,Lavins BJ,Kurtz CB,Silos-Santiago I,Johnston JM,Currie MG,Blackshaw LA,Brierley SM

更新日期：2013-12-01 00:00:00

abstract：BACKGROUND & AIMS:Immune-nonimmune cell interactions modulate mucosal immunity. We investigated the expression of adhesion molecules by intestinal fibroblasts, the effect of immune cell-derived factor on fibroblast binding of T cells, and the consequences of interfering with adhesion molecule expression on fibroblast-T...

journal_title：Gastroenterology

authors： Musso A,Condon TP,West GA,De La Motte C,Strong SA,Levine AD,Bennett CF,Fiocchi C

更新日期：1999-09-01 00:00:00

abstract：:A 62-year-old man with rheumatoid arthritis developed jaundice while taking piroxicam. A full evaluation including ultrasound, computerized tomography, endoscopic cholangiography, and liver biopsy confirmed the diagnosis of intrahepatic cholestasis. The patient's jaundice and all other liver function abnormalities nor...

journal_title：Gastroenterology

authors： Hepps KS,Maliha GM,Estrada R,Goodgame RW

更新日期：1991-12-01 00:00:00

abstract：:The amount of bile acid excreted via an ileostomy at the end of the ileum should give an estimate of the amount of bile acid transported to the colon. In the present study, 8 patients with ileostomies at the end of the ileum but without disease or resection of the small intestine excreted 1690 +/- 205 mumol/day (mean ...

journal_title：Gastroenterology

authors： Stiehl A,Raedsch R,Rudolph G

更新日期：1988-05-01 00:00:00

abstract：:The anatomical extent of fiberoptic sigmoidoscopy was determined by placing a clip on the colonic mucosa and subsequently locating the clip on barium enema. A 60 cm exam viewed the entire sigmoid colon in 81% of patients. Exams of 50-55 cm, 40-45 cm, and 30-35 cm extent viewed the entire sigmoid colon in 68%, 27%, and...

journal_title：Gastroenterology

authors： Lehman GA,Buchner DM,Lappas JC

更新日期：1983-04-01 00:00:00

abstract：BACKGROUND & AIMS:We assessed the influence of genetic variants in the hepatitis B virus (HBV) core, which is a principal immunologic target, on the progression to hepatocellular carcinoma (HCC) in a cohort of 4841 male HBV carriers followed up for 16 years. METHODS:First, baseline sera from 116 HCC cases and 154 cont...

journal_title：Gastroenterology

authors： Sung FY,Jung CM,Wu CF,Lin CL,Liu CJ,Liaw YF,Tsai KS,Yu MW

更新日期：2009-11-01 00:00:00

abstract：:In the rat, gastric histamine is stored mainly in the enterochromaffinlike cells. Gastrin releases histamine from these cells, and long-term hypergastrinemia results in hyperplasia. The effect of sustained hypergastrinemia on histamine-depleted enterochromaffinlike cells was studied by measuring histidine decarboxylas...

journal_title：Gastroenterology

authors： Andersson K,Håkanson R,Mattsson H,Ryberg B,Sundler F

更新日期：1992-09-01 00:00:00

abstract：BACKGROUND & AIMS:Seroclearance of hepatitis B surface antigen (HBsAg) is one of the most important clinical outcomes for chronic hepatitis B treatment trials. Few studies have explored the incidence and determinants of spontaneous seroclearance using a long-term follow-up study. This study aimed to examine the natural...

journal_title：Gastroenterology

authors： Liu J,Yang HI,Lee MH,Lu SN,Jen CL,Wang LY,You SL,Iloeje UH,Chen CJ,REVEAL-HBV Study Group.

更新日期：2010-08-01 00:00:00

abstract：:The mechanism of action of Senokot, a widely used laxative, has not been established. Senokot was given orally to rats 8-14 h before intestinal water and electrolyte transport were studied. Senokot significantly decreased colonic and jejunal water absorption measured in vivo by the single-pass perfusion technique. The...

journal_title：Gastroenterology

authors： Donowitz M,Wicks J,Battisti L,Pike G,DeLellis R

更新日期：1984-09-01 00:00:00

abstract：BACKGROUND & AIMS:Beta-blockers are extensively used to prevent variceal bleeding in patients with large esophageal varices. It is not established if beta-blockers delay the growth of small varices. METHODS:A total of 161 patients with cirrhosis and small esophageal varices (F1 according to the classification of Beppu...

journal_title：Gastroenterology

authors： Merkel C,Marin R,Angeli P,Zanella P,Felder M,Bernardinello E,Cavallarin G,Bolognesi M,Donada C,Bellini B,Torboli P,Gatta A,Gruppo Triveneto per l'Ipertensione Portale.

更新日期：2004-08-01 00:00:00