Phospholipases: old enzymes with new meaning.

abstract：BACKGROUND & AIMS:Empirical therapy has been proposed for initial management of dyspepsia. The aim of this study was to evaluate initial endoscopy, empirical therapy, and testing for Helicobacter pylori in the management of patients with a new onset of dyspepsia. METHODS:Decision analysis was used to compare the direc...

journal_title：Gastroenterology

authors： Silverstein MD,Petterson T,Talley NJ

更新日期：1996-01-01 00:00:00

abstract：BACKGROUND & AIMS:Crohn's disease is a highly heterogeneous inflammatory bowel disease comprising multiple clinical phenotypes. Genome-wide association studies (GWASs) have associated a large number of loci with disease risk but have not associated any specific genetic variants with clinical phenotypes. We performed a ...

journal_title：Gastroenterology

authors： Alonso A,Domènech E,Julià A,Panés J,García-Sánchez V,Mateu PN,Gutiérrez A,Gomollón F,Mendoza JL,Garcia-Planella E,Barreiro-de Acosta M,Muñoz F,Vera M,Saro C,Esteve M,Andreu M,Chaparro M,Manyé J,Cabré E,López-Lasanta

更新日期：2015-04-01 00:00:00

abstract：:To determine the effect of intraduodenal calcium on pancreatic, gallbladder, and gastric functions in healthy man, a validated perfusion method was employed to quantify total pancreatic, biliary, and gastric outputs during duodenal perfusion of either 6 mM, 12 mM,or 25 mM of elemental calcium (as isotonic calcium chlo...

journal_title：Gastroenterology

authors： Holtermuller KH,Mallagelada JR,McCall JT,Go VL

更新日期：1976-05-01 00:00:00

abstract：BACKGROUND & AIMS:Hepatobiliary complications occur in inflammatory bowel disease and may be caused by the translocation of intestinal toxins from portal blood into bile through leaky hepatocyte tight junctions. The role of tight junctions in the pathogenesis of hepatobiliary complications in experimental inflammatory ...

journal_title：Gastroenterology

authors： Lora L,Mazzon E,Martines D,Fries W,Muraca M,Martin A,d'Odorico A,Naccarato R,Citi S

更新日期：1997-10-01 00:00:00

abstract：:We studied the procoagulant activity of peripheral blood monocytes in 41 patients with severe obstructive jaundice and in 27 nonjaundiced control patients using a one-stage clotting assay. Mononuclear cells from jaundiced patients, tested immediately after isolation, expressed low levels of procoagulant activity, whic...

journal_title：Gastroenterology

authors： Semeraro N,Montemurro P,Chetta G,Altomare DF,Giordano D,Colucci M

更新日期：1989-03-01 00:00:00

abstract：:Bacterial extracts were prepared from cultures originating in chronic self-filling intestinal blind loops in rats. Their ability to remove active maltase molecules from isolated brush border membranes was studied in vitro. Twelve strains in 51 tested, belonging to one of three species, Bacteroides fragilis, Clostridiu...

journal_title：Gastroenterology

authors： Jonas A,Krishnan C,Forstner G

更新日期：1978-11-01 00:00:00

abstract：BACKGROUND & AIMS:Practice guidelines recommend that endoscopists spend at least 7 minutes examining the colonic mucosa during colonoscopy withdrawal to optimize polyp yield. The aim of this study was to determine if the implementation of an institution-wide policy of colonoscopy withdrawal time > or = 7 minutes was as...

journal_title：Gastroenterology

authors： Sawhney MS,Cury MS,Neeman N,Ngo LH,Lewis JM,Chuttani R,Pleskow DK,Aronson MD

更新日期：2008-12-01 00:00:00

abstract：:In vitro studies have shown that some bile salts inhibit the growth of intestinal bacteria. We investigated the possibility that bile salts might have a similar action in vivo in the ileum by performing serial anaerobic cultures and bile salt analyses on postprandial ileal fluid obtained anaerobically via intestinal t...

journal_title：Gastroenterology

authors： Williams RC,Showalter R,Kern F Jr

更新日期：1975-08-01 00:00:00

abstract：BACKGROUND & AIMS:There is growing interest in the use of bone marrow cells to treat liver fibrosis, however, little is known about their antifibrotic efficacy or the identity of their effector cell(s). Sphingosine-1-phosphate (S1P) mediates egress of immune cells from the lymphoid organs into the lymphatic vessels; we...

journal_title：Gastroenterology

authors： King A,Houlihan DD,Kavanagh D,Haldar D,Luu N,Owen A,Suresh S,Than NN,Reynolds G,Penny J,Sumption H,Ramachandran P,Henderson NC,Kalia N,Frampton J,Adams DH,Newsome PN

更新日期：2017-07-01 00:00:00

abstract：BACKGROUND & AIMS:Barrier functions across epithelia and endothelia are essential for homeostatic tissue regulation. Astroglia interact with cerebral endothelia to maintain the blood-brain barrier. Whether similar interactions between astrocyte-like enteric glia and epithelia regulate intestinal barrier function is not...

journal_title：Gastroenterology

authors： Savidge TC,Newman P,Pothoulakis C,Ruhl A,Neunlist M,Bourreille A,Hurst R,Sofroniew MV

更新日期：2007-04-01 00:00:00

abstract：:Previously, we reported that two glycoproteins, carcinoembryonic antigen and secretory component, are preferentially expressed on the apical or laterobasal surfaces, respectively, of normal human colonic epithelial cells, whereas these antigens may be expressed over the entire cell surface of colonic cancer cells. The...

journal_title：Gastroenterology

authors： Sugiyama T,Brown WR,Ahnen DJ

更新日期：1988-02-01 00:00:00

abstract：:Three cases of Stevens-Johnson syndrome with intestinal involvement are described. Two patients had esophageal involvement, the severity of which paralleled skin lesions and, in 1 case, probably contributed to death. Dysphagia and bleeding were manifestations. The third patient was unique and had gastric, small and la...

journal_title：Gastroenterology

authors： Zweiban B,Cohen H,Chandrasoma P

更新日期：1986-08-01 00:00:00

abstract：BACKGROUND & AIMS:Many putative pronucleating proteins have been isolated from the biliary concanavalin A (con A)-binding fraction. The pronase resistance of the overall nucleating-promoting activity was almost never taken into consideration. The aim of this study was to identify the major pronase-resistant con A-bindi...

journal_title：Gastroenterology

authors： Zijlstra AI,Offner GD,Afdhal NH,van Overveld M,Tytgat GN,Groen AK

更新日期：1996-06-01 00:00:00

abstract：:The role of cholinergic mechanisms in the control of gallbladder emptying has not been defined. In this report a scintigraphic technique using 2,6-dimethylphenylcarbamoylmethyl iminodiacetic acid labeled with technetium 99m to visualize the gallbladder and its emptying and diethylenetriamine pentaacetic acid labeled w...

journal_title：Gastroenterology

authors： Fisher RS,Rock E,Malmud LS

更新日期：1985-10-01 00:00:00

abstract：:To understand the disorders of bowel motility, it is important to know the range of bowel patterns in the general population. We have devised a brief self-administered questionnaire which, when used among a group of 789 students and hospital employees, disclosed that 94.2% had stool frequencies between three per day a...

journal_title：Gastroenterology

authors： Drossman DA,Sandler RS,McKee DC,Lovitz AJ

更新日期：1982-09-01 00:00:00

abstract：:Lymphangiectasia of the large intestine associated with protein-losing enteropathy is reported. A 33-yr-old man suffered from diarrhea, sometimes mixed with blood. Colonoscopic study revealed reddish and edematous mucosa with multiple flat elevated lesions and giant folds in the localized segment of the rectosigmoid. ...

journal_title：Gastroenterology

authors： Asakura H,Tsuchiya M,Katoh S,Kobayashi K,Yonei Y,Yoshida T,Hamada Y,Miura S,Morita A,Kuramochi S

更新日期：1986-09-01 00:00:00

abstract：:Regional differences in the esophageal distribution and clearance of refluxed gastric acid was studied in seven asymptomatic volunteers and seven patients with reflux esophagitis. Intraluminal pH was recorded for 3 postprandial hours from the distal, middle, and proximal esophagus on two separate occasions (with subje...

journal_title：Gastroenterology

authors： Shaker R,Dodds WJ,Helm JF,Kern MK,Hogan WJ

更新日期：1991-08-01 00:00:00

abstract：BACKGROUND/AIMS:Hepatic vein thrombosis is thought to be manifested by ascites, abdominal pain, and hepatomegaly, with a uniformly poor prognosis. However, new imaging techniques allow for the diagnosis of hepatic vein thrombosis in asymptomatic cases. The aim of our study was to re-evaluate symptoms and prognosis in p...

journal_title：Gastroenterology

authors： Hadengue A,Poliquin M,Vilgrain V,Belghiti J,Degott C,Erlinger S,Benhamou JP

更新日期：1994-04-01 00:00:00

abstract：:We have previously shown that in pregnancy fasting gallbladder volume is increased and emptying after a small volume liquid meal is incomplete. In this study we measured gallbladder volume throughout day and night in healthy women ingesting regular meals. Pregnant women, postpartum women, contraceptive-steroid users, ...

journal_title：Gastroenterology

authors： Everson GT,McKinley C,Lawson M,Johnson M,Kern F Jr

更新日期：1982-04-01 00:00:00

abstract：BACKGROUND & AIMS:Weight loss in response to sibutramine is highly variable. We assessed the association of specific markers of polymorphisms of candidate alpha2A adrenoreceptor, 5-HT transporter, and GNbeta3 genes and weight loss with sibutramine. METHODS:We conducted a randomized, double-blind, pharmacogenetic study...

journal_title：Gastroenterology

authors： Grudell AB,Sweetser S,Camilleri M,Eckert DJ,Vazquez-Roque MI,Carlson PJ,Burton DD,Braddock AE,Clark MM,Graszer KM,Kalsy SA,Zinsmeister AR

更新日期：2008-10-01 00:00:00

abstract：:Uptake of inorganic sulfate into brush-border membrane vesicles isolated by a calcium precipitation method from rat small intestine was investigated using a rapid filtration technique and 35Sulfur acid as tracer. Sulfate uptake by membrane vesicles was osmotically sensitive, suggesting transport into an intravesicular...

journal_title：Gastroenterology

authors： Lücke H,Stange G,Murer H

更新日期：1981-01-01 00:00:00

abstract：BACKGROUND AND AIMS:The role of selectins in experimental colitis remains unknown. The aims of this study were to characterize the time-course expression of selectins in trinitrobenzene sulfonic acid (TNBS)-induced colitis, the functional role of selectins in colonic leukocyte-endothelial cell interactions, and the the...

journal_title：Gastroenterology

authors： Sans M,Salas A,Soriano A,Prats N,Gironella M,Pizcueta P,Elena M,Anderson DC,Piqué JM,Panés J

更新日期：2001-04-01 00:00:00

abstract：BACKGROUND:The contribution of the crural diaphragm to the gastroesophageal high pressure zone (HPZ) may be important in prevention of gastroesophageal reflux. The purpose of this study was to investigate the manometric characteristics of the thoracoabdominal junction in patients after surgical removal of the lower eso...

journal_title：Gastroenterology

authors： Klein WA,Parkman HP,Dempsey DT,Fisher RS

更新日期：1993-11-01 00:00:00

abstract：BACKGROUND & AIMS:The lipocalin superfamily, including the mouse and human homologues 24p3/lcn2 and neutrophil gelatinase-associated lipocalin, show great functional diversity including roles in olfaction, transportation, and prostaglandin synthesis in mammals. Their potential role in maintaining gastrointestinal mucos...

journal_title：Gastroenterology

authors： Playford RJ,Belo A,Poulsom R,Fitzgerald AJ,Harris K,Pawluczyk I,Ryon J,Darby T,Nilsen-Hamilton M,Ghosh S,Marchbank T

更新日期：2006-09-01 00:00:00

abstract：BACKGROUND & AIMS:Development of pancreatic ductal adenocarcinoma (PDA) involves acinar to ductal metaplasia and genesis of tuft cells. It has been a challenge to study these rare cells because of the lack of animal models. We investigated the role of tuft cells in pancreatic tumorigenesis. METHODS:We performed studie...

journal_title：Gastroenterology

authors： DelGiorno KE,Chung CY,Vavinskaya V,Maurer HC,Novak SW,Lytle NK,Ma Z,Giraddi RR,Wang D,Fang L,Naeem RF,Andrade LR,Ali WH,Tseng H,Tsui C,Gubbala VB,Ridinger-Saison M,Ohmoto M,Erikson GA,O'Connor C,Shokhirev MN,Hah

更新日期：2020-11-01 00:00:00

abstract：BACKGROUND:The epidemiology of anorectal melanoma has not been well studied despite its potential relevance to the cutaneous melanoma epidemic, and prognostic studies have generally been based on referred cases. METHODS:Data reported to nine population-based registries in the United States during 1973 through 1987 wer...

journal_title：Gastroenterology

authors： Weinstock MA

更新日期：1993-01-01 00:00:00

abstract：BACKGROUND & AIMS:Crohn's disease (CD) is an immunologically mediated inflammatory disease of the gastrointestinal tract. Due to a high morbidity and/or an increase in mortality in refractory cases, a new treatment approach is needed. In theory, maximum immune ablation by autologous hematopoietic stem cell transplantat...

journal_title：Gastroenterology

authors： Oyama Y,Craig RM,Traynor AE,Quigley K,Statkute L,Halverson A,Brush M,Verda L,Kowalska B,Krosnjar N,Kletzel M,Whitington PF,Burt RK

更新日期：2005-03-01 00:00:00

abstract：BACKGROUND & AIMS:Intrahepatic bile ducts express a range of lymphocyte adhesion molecules during episodes of inflammation. This may contribute to the susceptibility of biliary epithelium to immunologic damage during liver allograft rejection, graft-versus-host disease, and primary biliary cirrhosis. However, no previo...

journal_title：Gastroenterology

authors： Leon MP,Bassendine MF,Gibbs P,Thick M,Kirby JA

更新日期：1997-03-01 00:00:00

abstract：BACKGROUND & AIMS:Accurate biomarkers of disease activity and therapeutic response can be valuable for clinical trials. We performed a post hoc analysis of data from a phase 2 trial to assess the relationship between the concentration of fecal calprotectin (FCP) and clinical and endoscopic outcomes of patients with mod...

journal_title：Gastroenterology

authors： Sandborn WJ,Panés J,Zhang H,Yu D,Niezychowski W,Su C

更新日期：2016-01-01 00:00:00

abstract：:Two women, aged 19 and 28 yr, who had been on the contraceptive pill for at least 18 mo, developed abnormal levels of circulating liver enzymes, minimal hepatomegaly, and elevated erythrocyte sedimentation rate. Liver biopsy in both women showed a sinusoidal dilatation sparing the perihepatic venous regions. The liver...

journal_title：Gastroenterology

authors： Camilleri M,Schafler K,Chadwick VS,Hodgson HJ,Weinbren K

更新日期：1981-04-01 00:00:00