C-kit inhibition by imatinib mesylate attenuates progenitor cell expansion and inhibits liver tumor formation in mice.

abstract：BACKGROUND & AIMS:The ubiquitous cross-linking enzyme tissue transglutaminase (TG2) has been implicated in irreversible collagen stabilization in liver fibrosis, although functional evidence is lacking. We studied the contribution of TG2 to hepatic fibrotic matrix stability, as well as liver fibrosis progression and re...

journal_title：Gastroenterology

authors： Popov Y,Sverdlov DY,Sharma AK,Bhaskar KR,Li S,Freitag TL,Lee J,Dieterich W,Melino G,Schuppan D

更新日期：2011-05-01 00:00:00

abstract：BACKGROUND & AIMS:The effects of trypsin on pancreatic ductal epithelial cells (PDECs) vary among species and depend on the localization of proteinase-activated receptor 2 (PAR-2). We compared PAR-2 localization in human and guinea-pig PDECs, and used isolated guinea pig ducts to study the effects of trypsin and a PAR-...

journal_title：Gastroenterology

authors： Pallagi P,Venglovecz V,Rakonczay Z Jr,Borka K,Korompay A,Ozsvári B,Judák L,Sahin-Tóth M,Geisz A,Schnúr A,Maléth J,Takács T,Gray MA,Argent BE,Mayerle J,Lerch MM,Wittmann T,Hegyi P

更新日期：2011-12-01 00:00:00

abstract：BACKGROUND & AIMS:Several studies have shown that signaling via the interleukin 23 (IL23) receptor is required for development of colitis. We studied the roles of IL23, dietary factors, alterations to the microbiota, and T cells in the development and progression of colitis in mice. METHODS:All mice were maintained on...

journal_title：Gastroenterology

authors： Chen L,He Z,Iuga AC,Martins Filho SN,Faith JJ,Clemente JC,Deshpande M,Jayaprakash A,Colombel JF,Lafaille JJ,Sachidanandam R,Furtado GC,Lira SA

更新日期：2018-10-01 00:00:00

abstract：BACKGROUND & AIMS:Omeprazole is metabolized by cytochrome P450 (CYP2C19). The activity of this enzyme is polymorphic, with incidences of poor metabolizers (PMs), heterozygous extensive metabolizers (EMs), and homozygous EMs in white populations of 3%, 30%, and 67%, respectively. The importance of the CYP2C19 polymorphi...

journal_title：Gastroenterology

authors： Sagar M,Tybring G,Dahl ML,Bertilsson L,Seensalu R

更新日期：2000-09-01 00:00:00

abstract：BACKGROUND & AIMS:Alterations of hepatic cholesterol metabolism in patients with cholesterol gallstones are still controversial. This study investigated whether hepatic cholesterol metabolism is altered in Japanese patients with cholesterol gallstones. METHODS:In this systematic study of 24 middle-aged nonobese and no...

journal_title：Gastroenterology

authors： Ito T,Kawata S,Imai Y,Kakimoto H,Trzaskos JM,Matsuzawa Y

更新日期：1996-05-01 00:00:00

abstract：BACKGROUND & AIMS:Liver disease has been associated with cardiovascular disorders, but little is known about the relationship between serum levels of alanine aminotransferase (ALT) and markers of atherogenesis. We investigated the relationship between low-normal and high-normal levels of ALT and an extended panel of ca...

journal_title：Gastroenterology

authors： Siddiqui MS,Sterling RK,Luketic VA,Puri P,Stravitz RT,Bouneva I,Boyett S,Fuchs M,Sargeant C,Warnick GR,Grami S,Sanyal AJ

更新日期：2013-12-01 00:00:00

abstract：BACKGROUND & AIMS:Some acute enteric infections are associated with the development of functional gastrointestinal disorders, most commonly irritable bowel syndrome but also other functional and organic gastrointestinal sequelae. Clostridium difficile infection has increased in incidence and severity, however, few stud...

journal_title：Gastroenterology

authors： Gutiérrez RL,Riddle MS,Porter CK

更新日期：2015-11-01 00:00:00

abstract：BACKGROUND & AIMS:There have been few studies of the role of de novo lipogenesis in the development of nonalcoholic fatty liver disease (NAFLD). We used isotope analyses to compare de novo lipogenesis and fatty acid flux between subjects with NAFLD and those without, matched for metabolic factors (controls). METHODS:W...

journal_title：Gastroenterology

authors： Lambert JE,Ramos-Roman MA,Browning JD,Parks EJ

更新日期：2014-03-01 00:00:00

abstract：:In addition to the previously described molecular forms of gastrin, a new component has been found in high concentrations in the serum of 6 patients with Zollinger-Ellison syndrome. Serum was fractionated by gel filtration, and ion exchange chromatography, and the new component was identified in eluates by radioimmuno...

journal_title：Gastroenterology

authors： Dockray GJ,Walsh JH

更新日期：1975-02-01 00:00:00

abstract：:A bile fistula patient was administered intravenously a constant infusion of [3H]mevalonic acid for 4 hrs, and then after 2 weeks he was given a pulse of [3H]mevalonic acid. Bile and blood were collected at frequent intervals. The specific activity-time course curves did not show a precursor-product relationship betwe...

journal_title：Gastroenterology

authors： Schwartz CC,Vlahcevic ZR,Halloran LG,Gregory DH,Meek JB,Swell L

更新日期：1975-12-01 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：:We describe 2 siblings with multiple gastrointestinal stromal tumors (GISTs) and cutaneous hyperpigmentation. Both had a point mutation of the c-kit gene. The patients were sisters who had exhibited cutaneous hyperpigmentation since their late teens, but the diagnosis of multiple gastrointestinal submucosal tumors was...

journal_title：Gastroenterology

authors： Maeyama H,Hidaka E,Ota H,Minami S,Kajiyama M,Kuraishi A,Mori H,Matsuda Y,Wada S,Sodeyama H,Nakata S,Kawamura N,Hata S,Watanabe M,Iijima Y,Katsuyama T

更新日期：2001-01-01 00:00:00

abstract：BACKGROUND & AIMS:The basic mechanisms of food allergies are still unknown. The aims of this study were to investigate whether endothelins (ETs) in the intestinal mucosa are involved in the pathogenesis of intestinal anaphylaxis. METHODS:Sprague-Dawley rats were sensitized to chicken egg albumin (EA) by intraperitonea...

journal_title：Gastroenterology

authors： Shigematsu T,Miura S,Hirokawa M,Hokari R,Higuchi H,Tsuzuki Y,Kimura H,Nakatsumi RC,Serizawa H,Saito H,Ishii H

更新日期：1998-08-01 00:00:00

abstract：:In a series of in vitro studies, both the soluble (plasmatic) coagulation system and the cellular (platelet-mediated) aspect of coagulation were shown to be extremely sensitive to relatively minor increases in hydrogen ion concentration. All studies became abnormal at pH 6.8. At pH 6.4, assays of the intrinsic and ext...

journal_title：Gastroenterology

authors： Green FW Jr,Kaplan MM,Curtis LE,Levine PH

更新日期：1978-01-01 00:00:00

abstract：BACKGROUND & AIMS:Confocal laser endomicroscopy (CLE) is a technique that permits real-time detection and quantification of changes in intestinal tissues and cells, including increases in intraepithelial lymphocytes and fluid extravasation through epithelial leaks. Using CLE analysis of patients with irritable bowel sy...

journal_title：Gastroenterology

authors： Fritscher-Ravens A,Pflaum T,Mösinger M,Ruchay Z,Röcken C,Milla PJ,Das M,Böttner M,Wedel T,Schuppan D

更新日期：2019-07-01 00:00:00

abstract：:In dogs with Heidenhain pouches and gastric fistulas, we studied acid secretion in response to systemic or portal infusion of methionine-enkephalin (met-enkephalin), enkephalin-analog, or morphine. All these opiate compounds caused a dose-dependent increase in acid secretion under basal conditions and resulted in a si...

journal_title：Gastroenterology

authors： Konturek SJ,Tasler J,Cieszkowski M,Mikoś E,Coy DH,Schally AV

更新日期：1980-02-01 00:00:00

abstract：:The effects of IV injection of 5-hydroxytryptamine 3 receptor antagonists (BRL 43694 and GR38032F) on gastrointestinal contractile activity were studied in dogs with vagally denervated fundic pouch in the conscious state by means of chronically implanted force transducers in the gastrointestinal tract and the pouch. I...

journal_title：Gastroenterology

authors： Itoh Z,Mizumoto A,Iwanaga Y,Yoshida N,Torii K,Wakabayashi K

更新日期：1991-04-01 00:00:00

abstract：:The human gut microbiome is a collection of bacteria, protozoa, fungi, and viruses that coexist in our bodies and are essential in protective, metabolic, and physiologic functions of human health. Gut dysbiosis has traditionally been linked to increased risk of infection, but imbalances within the intestinal microbial...

journal_title：Gastroenterology

authors： Haran JP,McCormick BA

更新日期：2021-01-01 00:00:00

abstract：BACKGROUND & AIMS:We aimed to identify long noncoding RNAs (lncRNAs) that are up-regulated in gastric cancer tissues from patients and study their function in gastric tumor metastasis. METHODS:We collected gastric tumor and nontumor tissues from patients in China and analyzed levels of lncRNAs by microarray analysis, ...

journal_title：Gastroenterology

authors： Zhuo W,Liu Y,Li S,Guo D,Sun Q,Jin J,Rao X,Li M,Sun M,Jiang M,Xu Y,Teng L,Jin Y,Si J,Liu W,Kang Y,Zhou T

更新日期：2019-02-01 00:00:00

abstract：BACKGROUND:Over 60 studies have addressed the hypothesis that the risk of colorectal cancer is increased following cholecystectomy; these studies have yielded inconsistent findings. The aim of the present study was to quantitatively summarize the results from the collective studies. METHODS:A meta-analysis of the publ...

journal_title：Gastroenterology

authors： Giovannucci E,Colditz GA,Stampfer MJ

更新日期：1993-07-01 00:00:00

abstract：:Adenomatous polyps are the most common neoplastic findings discovered in people who undergo colorectal screening or who have a diagnostic work-up for symptoms. It was common practice in the 1970s for these patients to have annual follow-up surveillance examinations to detect additional new adenomas and missed synchron...

journal_title：Gastroenterology

authors： Winawer SJ,Zauber AG,Fletcher RH,Stillman JS,O'Brien MJ,Levin B,Smith RA,Lieberman DA,Burt RW,Levin TR,Bond JH,Brooks D,Byers T,Hyman N,Kirk L,Thorson A,Simmang C,Johnson D,Rex DK,US Multi-Society Task Force on Colo

更新日期：2006-05-01 00:00:00

abstract：BACKGROUND AND AIMS:Tumor necrosis factor (TNF) is a cytokine that promotes inflammation and contributes to pathogenesis of inflammatory bowel diseases. Unlike other cells and tissues, intestinal epithelial cells undergo rapid cell death upon exposure to TNF, by unclear mechanisms. We investigated the roles of inhibito...

journal_title：Gastroenterology

authors： Grabinger T,Bode KJ,Demgenski J,Seitz C,Delgado ME,Kostadinova F,Reinhold C,Etemadi N,Wilhelm S,Schweinlin M,Hänggi K,Knop J,Hauck C,Walles H,Silke J,Wajant H,Nachbur U,W Wei-Lynn W,Brunner T

更新日期：2017-03-01 00:00:00

abstract：BACKGROUND & AIMS:Corticotropin-releasing factor (CRF) signaling pathways play a key role in the stress response through the activation of CRF(1) and CRF(2) receptors. We investigated the CRF receptor subtypes involved in gastric postoperative ileus. METHODS:Adult male mice (C57BL/6, CRF(1)-deficient, and wild-type), ...

journal_title：Gastroenterology

authors： Luckey A,Wang L,Jamieson PM,Basa NR,Million M,Czimmer J,Vale W,Taché Y

更新日期：2003-09-01 00:00:00

abstract：:This literature review and the recommendations therein were prepared for the American Gastroenterological Association Clinical Practice and Practice Economics committee. The paper was approved by the committee on May 16, 1999, and by the AGA governing board on July 18, 1999. ...

journal_title：Gastroenterology

authors： Zuckerman GR,Prakash C,Askin MP,Lewis BS

更新日期：2000-01-01 00:00:00

abstract：BACKGROUND & AIMS:Intestinal fibrosis and stricture formation are serious complications of Crohn's disease, often requiring surgical intervention. Unfortunately, the mechanisms underlying intestinal fibrosis development are poorly understood, in part because of the lack of relevant animal models. Here, we present a nov...

journal_title：Gastroenterology

authors： Grassl GA,Valdez Y,Bergstrom KS,Vallance BA,Finlay BB

更新日期：2008-03-01 00:00:00

abstract：BACKGROUND & AIMS:Hereditary hemochromatosis is a common disorder of iron homeostasis characterized by increased dietary iron absorption and progressive iron accumulation, mainly in the liver. Most patients are homozygous for the C282Y mutation in the HFE gene. However, not all individuals carrying the hemochromatosis-...

journal_title：Gastroenterology

authors： Bensaid M,Fruchon S,Mazères C,Bahram S,Roth MP,Coppin H

更新日期：2004-05-01 00:00:00

abstract：:The bioavailability of parenteral cimetidine was tested in 12 volunteers in a balanced three-way crossover study. Blood levels and urinary excretion were compared after intramuscular and intravenous injection and oral administration of 300 mg of cinetidine. The results indicated that the intramuscular and intravenous ...

journal_title：Gastroenterology

authors： Walkenstein SS,Dubb JW,Randolph WC,Westlake WJ,Stote RM,Intoccia AP

更新日期：1978-02-01 00:00:00

abstract：BACKGROUND & AIMS:The physiologic significance of the M(3) muscarinic receptor is unclear due to an absence of specific ligand. In the present study, M(3) receptor knockout (KO) mice were used to elucidate the role of M(3) receptors in gastric acid secretion and gastric mucosal integrity. METHODS:M(3) KO versus wild-t...

journal_title：Gastroenterology

authors： Aihara T,Fujishita T,Kanatani K,Furutani K,Nakamura E,Taketo MM,Matsui M,Chen D,Okabe S

更新日期：2003-12-01 00:00:00

abstract：:Using flowing isotonic NaCl or flowing molar KCl electrodes, the magnitude of liquid junction potentials between the electrode tip and gastric juice was measured directly, and calculated from electrolyte concentrations in gastric juice according to standard formulas. Gastric transepithelial potential difference was ob...

journal_title：Gastroenterology

authors： Read NW,Fordtran JS

更新日期：1979-05-01 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