Effect of nicotine on the lower esophageal sphincter. Studies on the mechanism of action.

abstract：BACKGROUND & AIMS:Acetaminophen toxicity is the most common cause of acute liver failure (ALF) in the United States and Great Britain, but may be underrecognized in certain settings. Acetaminophen-protein adducts are specific biomarkers of drug-related toxicity in animal models and can be measured in tissue or blood sa...

journal_title：Gastroenterology

authors： Davern TJ 2nd,James LP,Hinson JA,Polson J,Larson AM,Fontana RJ,Lalani E,Munoz S,Shakil AO,Lee WM,Acute Liver Failure Study Group.

更新日期：2006-03-01 00:00:00

abstract：:Data collected by nine population-based tumor registries participating in the Surveillance, Epidemiology, and End Results Program of the National Cancer Institute were analyzed to characterize the epidemiology of noncarcinoid adenocarcinomas of the colon and rectum in young adults. Tumors diagnosed in persons under 40...

journal_title：Gastroenterology

authors： Griffin PM,Liff JM,Greenberg RS,Clark WS

更新日期：1991-04-01 00:00:00

abstract：:Liver disease with inclusions of copper was recognized among 30 rural workers with "vineyard sprayer's lung." The pathological findings were varied: focal or diffuse swelling and proliferation of Kupffer cells; histiocytic and sarcoid-like granulomata; fibrosis of variable degree in the perisinusoidal, portal, and sub...

journal_title：Gastroenterology

authors： Pimentel JC,Menezes AP

更新日期：1977-02-01 00:00:00

abstract：BACKGROUND & AIMS:Studies of hepatitis C virus (HCV) infection, immunopathogenesis, and resulting liver diseases have been hampered by the lack of a small animal model. We developed humanized mice with human immune system and liver tissues to improve the studies of hepatitis C virus pathogenesis and treatment. METHODS...

journal_title：Gastroenterology

authors： Washburn ML,Bility MT,Zhang L,Kovalev GI,Buntzman A,Frelinger JA,Barry W,Ploss A,Rice CM,Su L

更新日期：2011-04-01 00:00:00

abstract：BACKGROUND & AIMS:Patients with cirrhosis are characterized by a reduced splanchnic vascular resistance and a hyporeactivity to adrenergic vasoconstrictors. So far, their adrenergic splanchnic vascular responsiveness has not been evaluated in vitro. We compared responses to alpha1- and beta2-adrenoceptor stimulation of...

journal_title：Gastroenterology

authors： Heller J,Schepke M,Gehnen N,Molderings GJ,Müller A,Erhard J,Spengler U,Sauerbruch T

更新日期：1999-02-01 00:00:00

abstract：:To understand mechanisms of viral diarrhea further, we studied ileal ion transport in vitro in relation to mucosal changes and epithelial differentiation in transmissible gastroenteritis in piglets, an invasive viral enteritis thought to involve mainly proximal intestine. In infected pigs, at the height of diarrhea, s...

journal_title：Gastroenterology

authors： Shepherd RW,Gall DG,Butler DG,Hamilton JR

更新日期：1979-01-01 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 & AIMS:Hepatitis C virus (HCV) uses several host factors to infect and replicate in human hepatocytes. Cyclophilin A (CypA) is required for viral replication, and CypA inhibitors are in development. We investigated the effects of nonsynonymous single nucleotide polymorphisms (SNPs) in the region of peptidyl-...

journal_title：Gastroenterology

authors： von Hahn T,Schiene-Fischer C,Van ND,Pfaender S,Karavul B,Steinmann E,Potthoff A,Strassburg C,Hamdi N,Abdelaziz AI,Sarrazin C,Müller T,Berg T,Trépo E,Wedemeyer H,Manns MP,Pietschmann T,Ciesek S

更新日期：2012-08-01 00:00:00

abstract：BACKGROUND & AIMS:Crohn's disease (CD) usually recurs after intestinal resection; postoperative endoscopic monitoring and tailored treatment can reduce the chance of recurrence. We investigated whether monitoring levels of fecal calprotectin (FC) can substitute for endoscopic analysis of the mucosa. METHODS:We analyze...

journal_title：Gastroenterology

authors： Wright EK,Kamm MA,De Cruz P,Hamilton AL,Ritchie KJ,Krejany EO,Leach S,Gorelik A,Liew D,Prideaux L,Lawrance IC,Andrews JM,Bampton PA,Jakobovits SL,Florin TH,Gibson PR,Debinski H,Macrae FA,Samuel D,Kronborg I,Radfor

更新日期：2015-05-01 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

abstract：BACKGROUND & AIMS:The effect of endogenous hypergastrinemia on growth of human colon carcinoma is not known. Our aim was to study the growth of human colon carcinoma in an animal model with endogenous hypergastrinemia. METHODS:Human colon carcinoma was transplanted to the colon of 40 athymic rats. Of these, 25 underwe...

journal_title：Gastroenterology

authors： Chu M,Nielsen FC,Franzén L,Rehfeld JF,Holst JJ,Borch K

更新日期：1995-11-01 00:00:00

abstract：BACKGROUND & AIMS:Chronic hepatitis C virus carriers may have repeatedly normal aminotransferase activity despite detectable viremia and histological hepatitis. The aim of this study was to determine the effect of interferon in this population. METHODS:Three million units of interferon alfa was administered 3 times we...

journal_title：Gastroenterology

authors： Serfaty L,Chazouillères O,Pawlotsky JM,Andreani T,Pellet C,Poupon R

更新日期：1996-01-01 00:00:00

abstract：:A patient with recurrent gastrointestinal bleeding caused by hereditary hemorrhagic telangiectasia localized to the small intestine is described. The diagnosis was made by combining two recognized investigational tools-fiberoptic endoscopy and laparotomy. ...

journal_title：Gastroenterology

authors： Greenberg GR,Phillips MJ,Tovee EB,Jeejeebhoy KN

更新日期：1976-07-01 00:00:00

abstract：BACKGROUND & AIMS:Recent studies indicate that kringle 1-5 has a potent and specific antiangiogenic activity. Here, we investigated the antitumor effect of kringle 1-5 gene transfer on hepatocellular carcinoma in mice. METHODS:The inhibitory effect of kringle 1-5 protein on proliferation of bovine capillary endothelia...

journal_title：Gastroenterology

authors： Torimura T,Ueno T,Kin M,Taniguchi E,Nakamura T,Inoue K,Sakata R,Hashimoto O,Sakamoto M,Ohira H,Kumashiro R,Sata M,Yano H,Kojiro M,Veitonmaki N,Cao Y

更新日期：2006-04-01 00:00:00

abstract：BACKGROUND & AIMS:Genetic variations in proinflammatory and anti-inflammatory cytokine genes influence individual response to carcinogenic exposures. Polymorphisms in interleukin (IL)-1 beta and its endogenous receptor antagonist are associated with risk of Helicobacter pylori-related gastric cancer. The aim of this st...

journal_title：Gastroenterology

authors： El-Omar EM,Rabkin CS,Gammon MD,Vaughan TL,Risch HA,Schoenberg JB,Stanford JL,Mayne ST,Goedert J,Blot WJ,Fraumeni JF Jr,Chow WH

更新日期：2003-05-01 00:00:00

abstract：BACKGROUND & AIMS:This longitudinal study investigated the interactions and roles of hepatitis B virus (HBV) genotypes, pre-S deletions, and core promoter and precore mutations on the progression of liver disease in hepatitis B e antigen (HBeAg)-negative patients. METHODS:A total of 141 HBeAg-negative patients without...

journal_title：Gastroenterology

authors： Chen CH,Hung CH,Lee CM,Hu TH,Wang JH,Wang JC,Lu SN,Changchien CS

更新日期：2007-11-01 00:00:00

abstract：BACKGROUND & AIMS:Cellular and molecular mechanisms of esophageal ulcer healing remain unexplored. We studied the sequential cellular events and the expression of keratinocyte growth factor (KGF) and its receptor (KGF-R) during the healing of experimental esophageal ulcers. METHODS:Esophageal ulcers were produced in r...

journal_title：Gastroenterology

authors： Baatar D,Kawanaka H,Szabo IL,Pai R,Jones MK,Kitano S,Tarnawski AS

更新日期：2002-02-01 00:00:00

abstract：BACKGROUND & AIMS:Glycolipid "rafts" have been shown to play a role in apical membrane trafficking in the enterocyte. The present study characterized the membrane compartments of the enterocyte involved in transepithelial transport of small intestinal immunoglobulin A (IgA). METHODS:Immunogold electron microscopy and ...

journal_title：Gastroenterology

authors： Hansen GH,Niels-Christiansen LL,Immerdal L,Hunziker W,Kenny AJ,Danielsen EM

更新日期：1999-03-01 00:00:00

abstract：:Characteristics of a macroamylase that was considered not to be formed by the binding of normal amylase to immunoglobulins were studied. The macroamylase was reversibly dissociated into apparently normal amylase by treating the macroamylasemic serum with guanidine hydrochloride. Concanavalin A precipitated a large por...

journal_title：Gastroenterology

authors： Kitamura T,Yoshioka K,Ehara M,Akedo H

更新日期：1977-07-01 00:00:00

abstract：BACKGROUND & AIMS:Gastroesophageal reflux disease (GERD) interferes with the quality of life and carries an increased risk for esophageal adenocarcinoma. We investigated genetic influence in the development of reflux. METHODS:We compared concordance for reflux in monozygotic (MZ) and dizygotic (DZ) twins. All twins ag...

journal_title：Gastroenterology

authors： Cameron AJ,Lagergren J,Henriksson C,Nyren O,Locke GR 3rd,Pedersen NL

更新日期：2002-01-01 00:00:00

abstract：BACKGROUND & AIMS:beta3 Adrenoceptor (beta3-AR) is expressed on adipocytes and enteric neurons. GW427353 is a human selective beta3-AR agonist with visceral analgesic effects. Some of its effects may involve release of somatostatin (SST) and actions on enteric neurons. The aim of this study was to investigate the mode ...

journal_title：Gastroenterology

authors： Schemann M,Hafsi N,Michel K,Kober OI,Wollmann J,Li Q,Zeller F,Langer R,Lee K,Cellek S

更新日期：2010-01-01 00:00:00

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:In patients with Wilson's disease presenting with liver involvement, the correct diagnosis is often missed or delayed. The aim of this study was to find an algorithm for diagnosis of this difficult patient group. METHODS:Clinical and laboratory findings of 55 patients with Wilson's disease were evalu...

journal_title：Gastroenterology

authors： Steindl P,Ferenci P,Dienes HP,Grimm G,Pabinger I,Madl C,Maier-Dobersberger T,Herneth A,Dragosics B,Meryn S,Knoflach P,Granditsch G,Gangl A

更新日期：1997-07-01 00:00:00

abstract：:Pancreatitis is a common disorder with significant morbidity and mortality, yet little is known about its pathogenesis, and there is no specific or effective treatment. Its development involves dysregulated autophagy and unresolved inflammation, demonstrated by studies in genetic and experimental mouse models. Disease...

journal_title：Gastroenterology

authors： Gukovskaya AS,Gukovsky I,Algül H,Habtezion A

更新日期：2017-11-01 00:00:00

abstract：BACKGROUND & AIMS:Numerous studies have linked the proliferation of liver progenitor cells (LPCs) during chronic liver disease to the risk for development of hepatocellular carcinoma. Thus, selective inhibition of LPC growth during preneoplastic injury may prevent or delay the onset of liver cancer. Rats carrying a ger...

journal_title：Gastroenterology

authors： Knight B,Tirnitz-Parker JE,Olynyk JK

更新日期：2008-09-01 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: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：BACKGROUND & AIMS:Men have a higher incidence of hepatocellular carcinoma (HCC) than women, which is believed to partly be because of protective effects of estrogen. We sought to determine whether there were differences in levels of microRNA (miRNA) molecules between male and female HCC samples. METHODS:The expression...

journal_title：Gastroenterology

authors： Liu WH,Yeh SH,Lu CC,Yu SL,Chen HY,Lin CY,Chen DS,Chen PJ

更新日期：2009-02-01 00:00:00

abstract：:A strict gluten-free diet (GFD) for life is the only treatment for celiac disease (CD). This article reviews (1) the impact of the GFD on the quality of life of individuals with CD and their families; (2) the causes of poorly controlled CD; (3) the access to and source and quality of information provided by health pro...

journal_title：Gastroenterology

authors： Case S

更新日期：2005-04-01 00:00:00

abstract：BACKGROUND & AIMS:Pancreatic mucinous cystic neoplasm (MCN), a cystic tumor of the pancreas that develops most frequently in women, is a potential precursor to pancreatic ductal adenocarcinoma. MCNs develop primarily in the body and tail of the pancreas and are characterized by the presence of a mucinous epithelium and...

journal_title：Gastroenterology

authors： Sano M,Driscoll DR,De Jesus-Monge WE,Klimstra DS,Lewis BC

更新日期：2014-01-01 00:00:00