Natural killer activity of human lymphocytes against colon cancer cells.

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 cytokine macrophage migration inhibitory factor (MIF) is expressed throughout the human gastrointestinal tract. Recently, protumorigenic activity of MIF has been described in several cancer models. Therefore, we investigated the expression and function of MIF during the early stages of intestinal ...

journal_title：Gastroenterology

authors： Wilson JM,Coletta PL,Cuthbert RJ,Scott N,MacLennan K,Hawcroft G,Leng L,Lubetsky JB,Jin KK,Lolis E,Medina F,Brieva JA,Poulsom R,Markham AF,Bucala R,Hull MA

更新日期：2005-11-01 00:00:00

abstract：BACKGROUND & AIMS:Host cell lipid rafts form a scaffold required for replication of hepatitis C virus (HCV). Serine palmitoyltransferases (SPTs) produce sphingolipids, which are essential components of the lipid rafts that associate with HCV nonstructural proteins. Prevention of the de novo synthesis of sphingolipids b...

journal_title：Gastroenterology

authors： Katsume A,Tokunaga Y,Hirata Y,Munakata T,Saito M,Hayashi H,Okamoto K,Ohmori Y,Kusanagi I,Fujiwara S,Tsukuda T,Aoki Y,Klumpp K,Tsukiyama-Kohara K,El-Gohary A,Sudoh M,Kohara M

更新日期：2013-10-01 00:00:00

abstract：BACKGROUND/AIMS:Reflex relaxation is a mechanism whereby the colon can show short-term dilatation in the absence of mechanical obstruction. This study investigated the tonic response of the canine colon to ileal distention and its pharmacological control. METHODS:In four dogs, the tone of the proximal colon was record...

journal_title：Gastroenterology

authors： Basilisco G,Phillips SF

更新日期：1994-03-01 00:00:00

abstract：:The type of cirrhosis was blindly evaluated in follow-up liver biopsies performed on 106 alcoholic men with micronodular cirrhosis. The median time interval from entry to follow-up liver biopsy was 31 mo (range, 3-44 mo). Patients were stratified into four groups according to their maximal registered ethanol consumpti...

journal_title：Gastroenterology

authors： Gluud C,Christoffersen P,Eriksen J,Wantzin P,Knudsen BB

更新日期：1987-08-01 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:Colorectal cancer screening with diagnostic imaging can detect polyps. The management of patients whose largest polyp is less than 10 mm is uncertain. The primary aim of this study was to determine rates of advanced histology in patients undergoing colorectal cancer screening whose largest polyp is 9 ...

journal_title：Gastroenterology

authors： Lieberman D,Moravec M,Holub J,Michaels L,Eisen G

更新日期：2008-10-01 00:00:00

abstract：:Aspartame [Nutrasweet, Equal (Searle Consumer Products, Chicago, Ill.)] is the methyl ester of the dipeptide aspartylphenylalanine (Asp-Phe). After hydrolysis of the ester bond in the intestinal lumen, the dipeptide is apparently absorbed and digested in the same manner as dipeptides derived from protein digestion. We...

journal_title：Gastroenterology

authors： Tobey NA,Heizer WD

更新日期：1986-10-01 00:00:00

abstract：BACKGROUND & AIMS:Quantitative neurophysiological studies have identified the presence of at least 2 spinal neuronal populations (abrupt and sustained) that are excited by the noxious visceral stimulus colorectal distention. This study examined the effects of the kappa opioid receptor agonists fedotozine and U50488H on...

journal_title：Gastroenterology

authors： Ness TJ

更新日期：1999-08-01 00:00:00

abstract：BACKGROUND:To date, the potential effects of free radicals on the activities of intestinal brush-border membrane enzymes have received little attention. Therefore, we conducted a series of experiments to examine the effects of free radicals on various enzymatic activities of rat small intestinal brush-border membranes....

journal_title：Gastroenterology

authors： Dudeja PK,Brasitus TA

更新日期：1993-08-01 00:00:00

abstract：:The intracellular pH (pHi) of isolated hamster intestinal cells was determined with three techniques: the null-point method with digitonin, the distribution of the weak acid 5,5-dimethyloxazolidine-2,4-dione, and the trapped fluorescent indicator 2',7'-bis(carboxyethyl)-5(6)-carboxyfluorescein. In physiologic saline, ...

journal_title：Gastroenterology

authors： Goré J,Hoinard C

更新日期：1989-10-01 00:00:00

abstract：:We tested the hypothesis that the hepatic siderosis that characterizes sporadic porphyria cutanea tarda is due to the presence of HLA-linked hemochromatosis alleles. We studied 21 probands with sporadic porphyria cutanea tarda and 135 of their relatives by determining HLA haplotypes and measuring transferrin saturatio...

journal_title：Gastroenterology

authors： Edwards CQ,Griffen LM,Goldgar DE,Skolnick MH,Kushner JP

更新日期：1989-10-01 00:00:00

abstract：:The human gastrointestinal tract contains distinct microbial communities that differ in composition and function based on their location, as well as age, sex, race/ethnicity, and diet of their host. We describe the bacterial taxa present in different locations of the GI tract, and their specific metabolic features. Th...

journal_title：Gastroenterology

authors： Hollister EB,Gao C,Versalovic J

更新日期：2014-05-01 00:00:00

abstract：:Intracellular microelectrodes were used to evaluate electrical properties of the cell membranes in Necturus antral mucosa during exposure to luminal acid alone (pH 4) or to 5 mmol/L aspirin [acetylsalicylic acid (ASA)] in the presence of luminal acid. When nutrient solutions were buffered by HCO3- (pH 7.3), ASA modera...

journal_title：Gastroenterology

authors： Soybel DI,Davis MB,West AB

更新日期：1992-11-01 00:00:00

abstract：:To study directly the functions of the cells that line the bile ducts inside the liver, we developed a new technique for isolating intrahepatic bile duct epithelial cells (IBDECs) from normal rat liver. Parenchymal and nonparenchymal cells were separated from whole liver by enzymatic digestion and mechanical disruptio...

journal_title：Gastroenterology

authors： Ishii M,Vroman B,LaRusso NF

更新日期：1989-11-01 00:00:00

abstract：BACKGROUND & AIMS:Senescence prevents cellular transformation. We investigated whether vascular endothelial growth factor (VEGF) signaling via its receptor, VEGFR2, regulates senescence and proliferation of tumor cells in mice with colitis-associated cancer (CAC). METHODS:CAC was induced in VEGFR2(ΔIEC) mice, which do...

journal_title：Gastroenterology

authors： Foersch S,Sperka T,Lindner C,Taut A,Rudolph KL,Breier G,Boxberger F,Rau TT,Hartmann A,Stürzl M,Wittkopf N,Haep L,Wirtz S,Neurath MF,Waldner MJ

更新日期：2015-07-01 00:00:00

abstract：:Incidence of intrahepatic arteriovenous fistula after needle biopsy of the liver, percutaneous transhepatic cholangiography, and transhepatic catheterization of an intrahepatic bile duct or portal vein, was determined by studying the hepatic arteriograms obtained within 1 month of the transhepatic procedure. An arteri...

journal_title：Gastroenterology

authors： Okuda K,Musha H,Nakajima Y,Takayasu K,Suzuki Y,Morita M,Yamasaki T

更新日期：1978-06-01 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 & AIMS:Prostacyclin and nitric oxide have been involved in the hyperkinetic syndrome in portal hypertension. The aim of this study was to investigate the relative contribution and possible interaction between prostacyclin and NO in this circulatory abnormality. METHODS:Portal vein-ligated and sham-operated ...

journal_title：Gastroenterology

authors： Fernández M,García-Pagán JC,Casadevall M,Mourelle MI,Piqué JM,Bosch J,Rodés J

更新日期：1996-05-01 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：BACKGROUND & AIMS:In 1988, we reported the first twin study in inflammatory bowel disease. The aim of the current study was to follow up these twins regarding new cases of inflammatory bowel disease and Crohn's disease characteristics using the Vienna classification. METHODS:The official Swedish population register an...

journal_title：Gastroenterology

authors： Halfvarson J,Bodin L,Tysk C,Lindberg E,Järnerot G

更新日期：2003-06-01 00:00:00

abstract：BACKGROUND & AIMS:This study investigated whether obesity, diabetes, and other metabolic factors are independently associated with hepatocellular carcinoma (HCC), stratified by hepatitis B virus (HBV) and hepatitis C virus (HCV) serostatus, and explored the possible joint influence of obesity/diabetes and HBV/HCV infec...

journal_title：Gastroenterology

authors： Chen CL,Yang HI,Yang WS,Liu CJ,Chen PJ,You SL,Wang LY,Sun CA,Lu SN,Chen DS,Chen CJ

更新日期：2008-07-01 00:00:00

abstract：:The courses of 38 patients with severe, uncomplicated acute colitis (16 with Crohn's colitis and 22 with ulcerative colitis) were analyzed retrospectively. The patients were placed on total parenteral nutrition and treated concomitantly with corticosteroids, antibiotics (often metronidazole), sulfasalazine, and/or aza...

journal_title：Gastroenterology

authors： Sitzmann JV,Converse RL Jr,Bayless TM

更新日期：1990-12-01 00:00:00

abstract：:The present study was undertaken to evaluate the ability of human hepatocytes to respond in culture to various mitotic agents including epidermal growth factor (EGF), transforming growth factor alpha (TGF-alpha), or serum from patients with fulminant hepatitis. Human hepatocytes were maintained in culture on collagen-...

journal_title：Gastroenterology

authors： Blanc P,Etienne H,Daujat M,Fabre I,Zindy F,Domergue J,Astre C,Saint Aubert B,Michel H,Maurel P

更新日期：1992-04-01 00:00:00

abstract：BACKGROUND & AIMS:Circulating membrane-shed microparticles (MPs) participate in regulation of vascular tone. We investigated the cellular origins of MPs in plasma from patients with cirrhosis and assessed the contribution of MPs to arterial vasodilation, a mechanism that contributes to portal hypertension. METHODS:We ...

journal_title：Gastroenterology

authors： Rautou PE,Bresson J,Sainte-Marie Y,Vion AC,Paradis V,Renard JM,Devue C,Heymes C,Letteron P,Elkrief L,Lebrec D,Valla D,Tedgui A,Moreau R,Boulanger CM

更新日期：2012-07-01 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：:In the TMC435-C101 study, 6 patients infected with hepatitis C virus genotype 1 were treated with the protease inhibitor TMC435 (200 mg once daily) as monotherapy for 5 days. Approximately 1.5 years later, 5 of these patients were re-treated with TMC435 (200 mg once daily) plus pegylated interferon alfa-2a and ribavir...

journal_title：Gastroenterology

authors： Lenz O,de Bruijne J,Vijgen L,Verbinnen T,Weegink C,Van Marck H,Vandenbroucke I,Peeters M,Simmen K,Fanning G,Verloes R,Picchio G,Reesink H

更新日期：2012-11-01 00:00:00

abstract：BACKGROUND & AIMS:The molecular mechanisms that contribute to the cholestatic condition in hepatocytes are poorly defined. It has been postulated that a disruption of normal vesicle-based protein trafficking may lead to alterations in hepatocyte polarity. METHODS:To determine if vesicle motility is reduced by cholesta...

journal_title：Gastroenterology

authors： Török NJ,Larusso EM,McNiven MA

更新日期：2001-11-01 00:00:00

abstract：:The genes associated with each of the inherited syndromes of colon cancer have now been identified, and genetic testing is available for diagnosis. These syndromes include familial adenomatous polyposis, hereditary nonpolyposis colorectal cancer, Peutz-Jeghers syndrome, juvenile polyposis syndrome, and, possibly, Cowd...

journal_title：Gastroenterology

authors： Burt R,Neklason DW

更新日期：2005-05-01 00:00:00

abstract：BACKGROUND & AIMS:Foxp3-expressing regulatory T cells (Tregs) play a key role in the maintenance of the gut immune homeostasis, and an intact transforming growth factor (TGF)-beta signaling is required for their function. In inflammatory bowel disease (IBD), the TGF-beta signaling is impaired because of high expression...

journal_title：Gastroenterology

authors： Fantini MC,Rizzo A,Fina D,Caruso R,Sarra M,Stolfi C,Becker C,Macdonald TT,Pallone F,Neurath MF,Monteleone G

更新日期：2009-04-01 00:00:00