Gastrin-stimulated changes in Ca2+ concentration in parietal cells depends on adenosine 3',5'-cyclic monophosphate levels.

abstract：BACKGROUND & AIMS:Serine proteases are postulated to influence gastrointestinal function by stimulating protease-activated receptors (PARs). This study identified the effects on myenteric neurons of activating PARs and investigated underlying mechanisms of action. METHODS:Intracellular electrophysiologic methods were ...

journal_title：Gastroenterology

authors： Gao C,Liu S,Hu HZ,Gao N,Kim GY,Xia Y,Wood JD

更新日期：2002-11-01 00:00:00

abstract：BACKGROUND & AIMS:Elevated hepatic iron concentration may affect the response to antiviral therapy in chronic hepatitis C. This study explored the contribution of genetic hemochromatosis to iron accumulation in chronic hepatitis C. METHODS:HFE mutations (C282Y and H63D) were assessed in 184 patients with chronic hepat...

journal_title：Gastroenterology

authors： Kazemi-Shirazi L,Datz C,Maier-Dobersberger T,Kaserer K,Hackl F,Polli C,Steindl PE,Penner E,Ferenci P

更新日期：1999-01-01 00:00:00

abstract：BACKGROUND:Increased intestinal macromolecular permeability could allow absorption of substances from the bowel into the systemic circulation and contribute to multiple organ system failure. METHODS:Mild, intermediate, and severe grades of pancreatitis were induced in rats using intravenous caerulein and intraductal g...

journal_title：Gastroenterology

authors： Ryan CM,Schmidt J,Lewandrowski K,Compton CC,Rattner DW,Warshaw AL,Tompkins RG

更新日期：1993-03-01 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:The ratio of liver size to body weight (hepatostat) is tightly controlled, but little is known about how the physiologic functions of the liver help determine its size. Livers of mice repopulated with human hepatocytes (humanized livers) grow to larger than normal; the human hepatocytes do not recogni...

journal_title：Gastroenterology

authors： Naugler WE,Tarlow BD,Fedorov LM,Taylor M,Pelz C,Li B,Darnell J,Grompe M

更新日期：2015-09-01 00:00:00

abstract：:Focal nodular hyperplasia (FNH) and hepatocellular adenoma (HCA) are benign hepatocellular tumors that develop most frequently in women without cirrhosis. Genomic approaches have identified signaling pathways related to these benign hepatocyte proliferations. FNH, a polyclonal lesion, is characterized by local vascula...

journal_title：Gastroenterology

authors： Nault JC,Bioulac-Sage P,Zucman-Rossi J

更新日期：2013-05-01 00:00:00

abstract：BACKGROUND & AIMS:Type 2 diabetes mellitus (DM) is associated with an increased risk of colorectal cancer (CRC); it is not clear if this association varies by sex or other factors. Insulin use might also be associated with CRC risk. We investigated associations of type 2 DM and insulin use with CRC risk. METHODS:The C...

journal_title：Gastroenterology

authors： Campbell PT,Deka A,Jacobs EJ,Newton CC,Hildebrand JS,McCullough ML,Limburg PJ,Gapstur SM

更新日期：2010-10-01 00:00:00

abstract：:Monocytopoietic proliferation activity was determined in 8 patients during severe attacks of Crohn's disease and in 6 patients with ulcerative colitis. Similar results were obtained in both groups of patients. A moderate but significant hyperproliferation of monocytopoiesis was found to be present in about half of the...

journal_title：Gastroenterology

authors： Meuret G,Bitzi A,Hammer B

更新日期：1978-03-01 00:00:00

abstract：:Among the components of dietary fiber, the soluble polysaccharides, primarily guaran and pectin, have been found to impair intestinal absorption. Little is known, however, about the mechanism of this effect. The direct action of guaran on small intestinal absorption was evaluated by a single-pass perfusion technique. ...

journal_title：Gastroenterology

authors： Elsenhans B,Zenker D,Caspary WF

更新日期：1984-04-01 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：:The results of a clinical trial comparing slow-release 5-aminosalicylic acid tablets (Pentasa) and enteric-coated sulfasalazine tablets (Salazopyrin) with regard to the efficacy of maintaining ulcerative colitis patients in remission for 12 mo and with regard to safety of treatment are reported. Seventy-five patients ...

journal_title：Gastroenterology

authors： Mulder CJ,Tytgat GN,Weterman IT,Dekker W,Blok P,Schrijver M,van der Heide H

更新日期：1988-12-01 00:00:00

abstract：:To determine the pattern of inheritance of lactase deficiency, we studied 104 American Indian and 2 white subjects in 19 families. Subjects were considered deficient in lactase if breath-hydrogen excretion exceeded 0.20 ml per min above fasting at 2 hr after a lactose load of 2 g per kg of body weight (maximum 50 g). ...

journal_title：Gastroenterology

authors： Newcomer AD,Gordon H,Thomas PJ,McGill DB

更新日期：1977-11-01 00:00:00

abstract：BACKGROUND & AIMS:Congenital sucrase-isomaltase deficiency (CSID) is an autosomal recessive human disorder characterized by reduced activities of the brush border enzyme sucrase-isomaltase (SI). Here, we elucidate the pathogenesis of a new variant of CSID at the cellular and molecular level. METHODS:Assessment of the ...

journal_title：Gastroenterology

authors： Ritz V,Alfalah M,Zimmer KP,Schmitz J,Jacob R,Naim HY

更新日期：2003-12-01 00:00:00

abstract：:We have recently demonstrated that ritanserin, a serotonin 5-hydroxytryptamine receptor antagonist void of systemic effects, caused a significant reduction of portal pressure in conscious cirrhotic dogs. The mechanism by which ritanserin lowers portal pressure is poorly defined. We investigated the splanchnic and syst...

journal_title：Gastroenterology

authors： Mastai R,Giroux L,Semret M,Huet PM

更新日期：1990-01-01 00:00:00

abstract：BACKGROUND & AIMS:Fecal microbiota transplantation (FMT) is a highly effective therapy for recurrent Clostridium difficile infection (CDI). However, transferring undefined living bacteria entails uncontrollable risks for infectious and metabolic or malignant diseases, particularly in immunocompromised patients. We inve...

journal_title：Gastroenterology

authors： Ott SJ,Waetzig GH,Rehman A,Moltzau-Anderson J,Bharti R,Grasis JA,Cassidy L,Tholey A,Fickenscher H,Seegert D,Rosenstiel P,Schreiber S

更新日期：2017-03-01 00:00:00

abstract：BACKGROUND AND AIMS:Hepatic lymphocytes are composed mainly of natural killer (NK) cells and NKT cells, which play key roles in innate immune responses against pathogens and tumors in the liver. This report analyzes the effects of activation of innate immunity by viral infection or the toll-like receptor 3 (TLR3) ligan...

journal_title：Gastroenterology

authors： Sun R,Gao B

更新日期：2004-11-01 00:00:00

abstract：:Aspirin was given by continuous intravenous infusion to 35 intact cats for 7 days in doses ranging from 25 to 200 mg kg-1 day-1. Gastric mucosal lesions occurred in 50 to 70% of the animals in the various dosage groups, including deep ulcers in 20%. All of the ulcers were in antral mucosa near its border with oxyntic ...

journal_title：Gastroenterology

authors： Bugat R,Thompson MR,Aures D,Grossman MI

更新日期：1976-11-01 00:00:00

abstract：BACKGROUND & AIMS:The US Medicare indications for intestinal transplantation are based on failure of home parenteral nutrition. The American Society of Transplantation also includes patients at high risk of death from their primary disease or with high morbidity intestinal failure. A 3-year prospective study evaluated ...

journal_title：Gastroenterology

authors： Pironi L,Forbes A,Joly F,Colomb V,Lyszkowska M,Van Gossum A,Baxter J,Thul P,Hébuterne X,Gambarara M,Gottrand F,Moreno Villares JM,Messing B,Goulet O,Staun M,Home Artificial Nutrition Working Group of the European Society fo

更新日期：2008-07-01 00:00:00

abstract：BACKGROUND AND AIMS:Cholestasis is one of the principal manifestations of liver disease and often results from disorders involving bile duct epithelia rather than hepatocytes. A range of disorders affects biliary epithelia, and no unifying pathophysiologic event in these cells has been identified as the cause of choles...

journal_title：Gastroenterology

authors： Shibao K,Hirata K,Robert ME,Nathanson MH

更新日期：2003-10-01 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：:Pharmacologic and surgical procedures were used to define the neurohumoral pathways that mediate stress-induced changes in gastrointestinal transit in the rat. Physical restraint (a validated stressor) resulted in significant inhibition of gastric emptying and small bowel transit but in stimulation of large bowel tran...

journal_title：Gastroenterology

authors： Lenz HJ

更新日期：1989-07-01 00:00:00

abstract：BACKGROUND & AIMS:Several randomized population-based studies have shown that screening for colorectal cancer (CRC) by fecal occult blood tests (FOBTs) can reduce CRC mortality. The aim of this French population-based study was to assess whether a similar benefit could be obtained in countries characterized by high per...

journal_title：Gastroenterology

authors： Faivre J,Dancourt V,Lejeune C,Tazi MA,Lamour J,Gerard D,Dassonville F,Bonithon-Kopp C

更新日期：2004-06-01 00:00:00

abstract：:The experimental production of gastric ulcers in dogs by subnucosal injection of ulcerogeic agents is described. The most satisfactory agent tested was 95% ethanol, because it produced immediate changes in the mucosa which delineated the size of the ulcer. The depth of ulceration could be controlled and the ulcer heal...

journal_title：Gastroenterology

authors： Otani T,Tatsuka T,Kanamaru K,Okuda S

更新日期：1975-07-01 00:00:00

abstract：BACKGROUND & AIMS:Helicobacter pylori-negative idiopathic ulcers are increasingly recognized. The secular trend and long-term outcome of this condition are unknown. METHODS:We prospectively studied consecutive patients with bleeding gastroduodenal ulcers from January to December 2000. The incidence and etiology of ulc...

journal_title：Gastroenterology

authors： Hung LC,Ching JY,Sung JJ,To KF,Hui AJ,Wong VW,Leong RW,Chan HL,Wu JC,Leung WK,Lee YT,Chung SC,Chan FK

更新日期：2005-06-01 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：BACKGROUND & AIMS:Early growth response gene-1 (Egr-1) is an important inflammatory transcription factor. We hypothesize that leukocyte-derived Egr-1 plays a key inflammatory role in causing postoperative ileus. METHODS:Wild-type, Egr-1 knockout, and chimera mice (constructed by irradiation followed by injection with ...

journal_title：Gastroenterology

authors： Schmidt J,Stoffels B,Moore BA,Chanthaphavong RS,Mazie AR,Buchholz BM,Bauer AJ

更新日期：2008-09-01 00:00:00

abstract：:The results of balloon dilatation of upper digestive tract stricture in 111 patients were evaluated. Eighty-eight patients had esophageal strictures and 23 had gastric or pyloric strictures. Thirty-six patients had strictures associated with previous operations. Twenty-two percent of the patients with esophageal stric...

journal_title：Gastroenterology

authors： Lindor KD,Ott BJ,Hughes RW Jr

更新日期：1985-09-01 00:00:00

abstract：:Fluorescent periodic acid-Schiff reaction (FPR) was used in the study of the normal rabbit ileal epithelium and its changes after injection of living cultures or enterotoxins of enterotoxigenic Escherichia coli. This reaction, with the use of auramine OO-SO2 complex as a Schiff-type reagent, demonstrates gut epitheliu...

journal_title：Gastroenterology

authors： Khavkin TN,Kudryavtseva MV,Dragunskaya EM,Polotsky YE,Kudryavtsev BN

更新日期：1980-04-01 00:00:00

abstract：:Increased dietary ratios of ω6/ω3 polyunsaturated fatty acids have been implicated in the pathogenesis of Crohn's disease (CD), but epidemiologic data are limited. We investigated whether variants of genes that control polyunsaturated fatty acid metabolism (CYP4F3, FADS1, and FADS2), along with the dietary ratio of ω6...

journal_title：Gastroenterology

authors： Costea I,Mack DR,Lemaitre RN,Israel D,Marcil V,Ahmad A,Amre DK

更新日期：2014-04-01 00:00:00

abstract：:Phosphatase-mediated hydrolysis is the first step in the intestinal absorption of pyridoxal 5'-phosphate (PLP). Studies presented here evaluated the effects of PLP-protein binding and pH on intestinal hydrolysis in the rat. Models included in vitro PLP decay and in vivo PLP disappearance from perfused jejunal segments...

journal_title：Gastroenterology

authors： Middleton HM 3rd

更新日期：1986-08-01 00:00:00