Bile acid is a host factor that regulates the composition of the cecal microbiota in rats.

abstract：:Several areas regarding Helicobacter pylori that need improvement or clarification in the United States include treatment of dyspepsia, physician education on disease associations with H. pylori, and evidence from U.S. studies that 7-day H. pylori eradication regimens are more effective than current regimens. Dyspepsi...

journal_title：Gastroenterology

authors： Freston JW

更新日期：1997-12-01 00:00:00

abstract：BACKGROUND & AIMS:We have shown that intestinal manipulation leads to a significant inhibition of circular muscle contraction. We hypothesized that the inflammatory mediator inducible nitric oxide (NO) plays a role in surgically induced ileus. METHODS:Rats and inducible NO synthase (iNOS) knockout and wild-type mice u...

journal_title：Gastroenterology

authors： Kalff JC,Schraut WH,Billiar TR,Simmons RL,Bauer AJ

更新日期：2000-02-01 00:00:00

abstract：BACKGROUND & AIMS:In patients with achalasia esophagus, swallows induce simultaneous pressure waves known as esophageal pressurization. We studied the mechanism of esophageal pressurization and bolus flow patterns in patients with type 2 or type 3 achalasia. METHODS:We recorded high-resolution manometry with impedance...

journal_title：Gastroenterology

authors： Park S,Zifan A,Kumar D,Mittal RK

更新日期：2018-08-01 00:00:00

abstract：BACKGROUND & AIMS:Nonalcoholic chronic pancreatitis is usually idiopathic and often associated with cystic fibrosis gene (CFTR) mutations. It is unknown whether pancreatitis risk correlates with having 1 or 2 CFTR mutations, abnormal epithelial ion transport, or mutations of other genes. METHODS:We tested 39 patients ...

journal_title：Gastroenterology

authors： Noone PG,Zhou Z,Silverman LM,Jowell PS,Knowles MR,Cohn JA

更新日期：2001-12-01 00:00:00

abstract：BACKGROUND & AIMS:Approximately half of the families that fulfill Amsterdam criteria for Lynch syndrome or hereditary nonpolyposis colorectal cancer (HNPCC) do not have evidence of the germline mismatch repair gene mutations that define this syndrome and result in microsatellite instability (MSI). The carcinogenic path...

journal_title：Gastroenterology

authors： Goel A,Xicola RM,Nguyen TP,Doyle BJ,Sohn VR,Bandipalliam P,Rozek LS,Reyes J,Cordero C,Balaguer F,Castells A,Jover R,Andreu M,Syngal S,Boland CR,Llor X

更新日期：2010-05-01 00:00:00

abstract：:Cholinergic innervation in the aganglionic bowel of the piebald lethal mouse model of Hirschsprung's disease was investigated by analysis of muscarinic acetylcholine receptors before and after administration of hexamethonium. After hexamethonium administration in the normal rectum, the maximum specific binding (Bmax) ...

journal_title：Gastroenterology

authors： Ueki S,Okamoto E,Kuwata K,Toyosaka A,Nagai K

更新日期：1985-06-01 00:00:00

abstract：:Plasma amino acid abnormalities are common in alcoholics, but the respective role of alcoholism, nutrition, and liver injury in producing these abnormalities is unknown. To elucidate this question, amino acids were measured in 56 alcoholics and 32 nonalcoholics with liver disease, and in an experimental model of alcoh...

journal_title：Gastroenterology

authors： Shaw S,Lieber CS

更新日期：1978-04-01 00:00:00

abstract：BACKGROUND:Current information concerning endothelin in cirrhosis is conflicting. Plasma endothelin concentration has been found to be increased in some studies and normal or reduced in others. The present study was aimed to investigate the plasma levels of endothelin in cirrhosis and to assess whether it is involved i...

journal_title：Gastroenterology

authors： Asbert M,Ginès A,Ginès P,Jiménez W,Clària J,Saló J,Arroyo V,Rivera F,Rodés J

更新日期：1993-05-01 00:00:00

abstract：BACKGROUND & AIMS:The Forkhead box gene, group O (FoxO) family of Forkhead transcription factors is phopsphorylated and inactivated by the phosphatidylinositol 3-kinase (PI3K)/AKT pathway and regulates a variety of cellular functions. Hepatic stellate cells (HSCs) play a crucial role in liver fibrosis. A fibrotic stimu...

journal_title：Gastroenterology

authors： Adachi M,Osawa Y,Uchinami H,Kitamura T,Accili D,Brenner DA

更新日期：2007-04-01 00:00:00

abstract：BACKGROUND & AIMS:The duodenum is a cystic fibrosis transmembrane conductance regulator (CFTR)-expressing epithelium with high bicarbonate secretory capacity. We aimed to define the role of CFTR in human duodenal epithelial bicarbonate secretion in normal (NL) subjects and patients with cystic fibrosis (CF). METHODS:E...

journal_title：Gastroenterology

authors： Pratha VS,Hogan DL,Martensson BA,Bernard J,Zhou R,Isenberg JI

更新日期：2000-06-01 00:00:00

abstract：:Altered gallbladder motility could predispose to, or result from, gallstone formation and could also explain the alleged relief of biliary colic seen during bile acid therapy. Therefore, in 14 controls, 25 patients with radiolucent gallstones, and 14 patients with radiopaque gallstones, we used two techniques to measu...

journal_title：Gastroenterology

authors： Forgacs IC,Maisey MN,Murphy GM,Dowling RH

更新日期：1984-08-01 00:00:00

abstract：:Intestinal microbiota are involved in the pathogenesis of Crohn's disease, ulcerative colitis, and pouchitis. We review the mechanisms by which these gut bacteria, fungi, and viruses mediate mucosal homeostasis via their composite genes (metagenome) and metabolic products (metabolome). We explain how alterations to th...

journal_title：Gastroenterology

authors： Sartor RB,Wu GD

更新日期：2017-02-01 00:00:00

abstract：BACKGROUND & AIMS:The disruption of homeostasis between proliferation and apoptosis in the colonic epithelium contributes to the pathogenesis of human ulcerative colitis. Mice lacking the transcriptional corepressor myeloid translocation gene related-1 (Mtgr1) display impaired secretory cell lineage development in the ...

journal_title：Gastroenterology

authors： Martinez JA,Williams CS,Amann JM,Ellis TC,Moreno-Miralles I,Washington MK,Gregoli P,Hiebert SW

更新日期：2006-08-01 00:00:00

abstract：BACKGROUND & AIMS:Interactions between genetic and environmental factors are believed to be involved in onset and initiation of inflammatory bowel disease. We analyzed the interaction between gastrointestinal mucosal microbiota and host genes in twin pairs discordant for ulcerative colitis (UC) to study the functional ...

journal_title：Gastroenterology

authors： Lepage P,Häsler R,Spehlmann ME,Rehman A,Zvirbliene A,Begun A,Ott S,Kupcinskas L,Doré J,Raedler A,Schreiber S

更新日期：2011-07-01 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 purpose of the study was to determine (a) the frequency and cause of mortality in patients with chronic pancreatitis; (b) the cumulative survival rates corrected by comparison of patients with a matched French population; and (c) the factors associated with mortality by a unidimensional and multidimensional analys...

journal_title：Gastroenterology

authors： Levy P,Milan C,Pignon JP,Baetz A,Bernades P

更新日期：1989-04-01 00:00:00

abstract：:To determine whether intravenous nutritional repletion can influence oxidative drug metabolizing capacity, antipyrine metabolism was studied in 6 malnourished patients on the second day of a 2-day baseline period and on the last day of two sequential, 8-day intravenous nutritional repletion periods. During the baselin...

journal_title：Gastroenterology

authors： Pantuck EJ,Pantuck CB,Weissman C,Gil KM,Askanazi J

更新日期：1985-08-01 00:00:00

abstract：BACKGROUND & AIMS:Nitric oxide is a major inhibitory neurotransmitter in the enteric nervous system. Loss or dysfunction of nitrinergic neurons is associated with serious disruptions of motility, intractable symptoms, and long-term suffering. The aim of this study was to evaluate the effect of intrapyloric transplantat...

journal_title：Gastroenterology

authors： Micci MA,Kahrig KM,Simmons RS,Sarna SK,Espejo-Navarro MR,Pasricha PJ

更新日期：2005-12-01 00:00:00

abstract：:A patient is reported with eosinophilic enteritis of the jejunum with fatal evolution. Surgical resection was considered impossible and medical treatment with corticosteroids, elemental diet, parenteral nutrition, and antimicrobials to combat the intestinal bacterial overgrowth failed to control the disease. The destr...

journal_title：Gastroenterology

authors： Tytgat GN,Grijm R,Dekker W,Den Hartog NA

更新日期：1976-09-01 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 & AIMS:Infection with Tropheryma whipplei has a range of effects-some patients can be chronic carriers without developing any symptoms, whereas others can develop systemic Whipple disease, characterized by a lack a protective inflammatory immune response. Alterations in HLA-G function have been associated wi...

journal_title：Gastroenterology

authors： Ben Azzouz E,Boumaza A,Mezouar S,Bardou M,Carlini F,Picard C,Raoult D,Mège JL,Desnues B

更新日期：2018-11-01 00:00:00

abstract：:Because approximately 80% of reported patients with somatostatinomas have gallstones, this study was performed to determine the effects of exogenous somatostatin on gallbladder emptying responses to liquid and solid meals, direct cholinergic stimulation by bethanechol, indirect cholinergic stimulation by sham feeding,...

journal_title：Gastroenterology

authors： Fisher RS,Rock E,Levin G,Malmud L

更新日期：1987-04-01 00:00:00

abstract：:Colon motility and myoelectric slow wave activity were compared in 10 patients with progressive systemic sclerosis and 18 controls. Recordings were made in the rectosigmoid and rectum, 25-30 cm and 10-15 cm from the anal margin, respectively, during two 4-min baselines and in response to stepwise distention of the col...

journal_title：Gastroenterology

authors： Whitehead WE,Taitelbaum G,Wigley FM,Schuster MM

更新日期：1989-02-01 00:00:00

abstract：:The absorption of an intact oligopeptide was investigated in rat and dog small intestine using the metabolically stable somatostatin analogue SMS 201-995. The synthetic octapeptide was coupled to 4-nitrobenzo-2-oxa-1,3-diazol to have a fluorescent label for the direct visualization. The 4-nitrobenzo-2-oxa-1,3-diazol-l...

journal_title：Gastroenterology

authors： Fricker G,Bruns C,Munzer J,Briner U,Albert R,Kissel T,Vonderscher J

更新日期：1991-06-01 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：:Corticotropin-releasing factor (CRF) administered into the lateral cerebral ventricle significantly inhibited gastric emptying and small bowel transit, but most markedly increased large bowel transit in a dose-related fashion in freely moving rats. Inhibition of gastric emptying induced by central administration of CR...

journal_title：Gastroenterology

authors： Lenz HJ,Burlage M,Raedler A,Greten H

更新日期：1988-03-01 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：BACKGROUND & AIMS:Mechanisms of diarrhea in ulcerative colitis (UC) are still unknown. Functional and structural characterization of epithelial barrier and transport properties in ulcerative colitis (UC) was performed. METHODS:Inflamed sigmoid colon epithelium from UC patients was studied by alternating current impeda...

journal_title：Gastroenterology

authors： Schmitz H,Barmeyer C,Fromm M,Runkel N,Foss HD,Bentzel CJ,Riecken EO,Schulzke JD

更新日期：1999-02-01 00:00:00

abstract：BACKGROUND AND AIMS:The peptidyl prolyl isomerase Pin1 frequently is overexpressed in hepatocellular carcinoma (HCC). Hepatitis B virus (HBV) is the most common etiologic agent in HCC, and its encoded X-protein (HBx) is oncogenic and possesses a serine-proline motif that may bind Pin1. The role of Pin1 in hepatocarcino...

journal_title：Gastroenterology

authors： Pang R,Lee TK,Poon RT,Fan ST,Wong KB,Kwong YL,Tse E

更新日期：2007-03-01 00:00:00

abstract：BACKGROUND & AIMS:Carcinogenesis in Barrett's esophagus (BE) is associated with an increased expression of cyclooxygenase (COX) 2. However, there has been no direct evidence that inhibition of COX-2 prevents cancer in BE. We studied the effect of MF-Tricyclic, a selective COX-2 inhibitor, on the development of BE and a...

journal_title：Gastroenterology

authors： Buttar NS,Wang KK,Leontovich O,Westcott JY,Pacifico RJ,Anderson MA,Krishnadath KK,Lutzke LS,Burgart LJ

更新日期：2002-04-01 00:00:00