Hepatitis C virus genotypes and risk of hepatocellular carcinoma in cirrhosis: a case-control study.

abstract：:The case of a woman with protoporphyria who developed liver failure and underwent liver transplantation is described. During the pretransplant episode of liver failure she developed quadriparesis that rapidly progressed after transplantation to a severe polyneuropathy. Following transplantation she also developed a se...

journal_title：Gastroenterology

authors： Herbert A,Corbin D,Williams A,Thompson D,Buckels J,Elias E

更新日期：1991-06-01 00:00:00

abstract：BACKGROUND AND AIMS:It is not clear what induction dose of mesalamine is optimal for treating patients with mildly and moderately active ulcerative colitis (UC). This study was conducted to determine the efficacy and safety of mesalamine 4.8 g/day compared with 2.4 g/day for the treatment of moderately active UC. METH...

journal_title：Gastroenterology

authors： Sandborn WJ,Regula J,Feagan BG,Belousova E,Jojic N,Lukas M,Yacyshyn B,Krzeski P,Yeh CH,Messer CA,Hanauer SB

更新日期：2009-12-01 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:Cyclooxygenase 2 (COX-2)-specific inhibitors (coxibs) decrease gastrointestinal (GI) events in controlled trials, but results in clinical practice are unknown. We assessed GI-related resource use and costs in patients switching from chronic nonsteroidal anti-inflammatory drug (NSAID) therapy to chroni...

journal_title：Gastroenterology

authors： Laine L,Wogen J,Yu H

更新日期：2003-08-01 00:00:00

abstract：BACKGROUND & AIMS:Immune responses to innocuous intestinal antigens appear tightly controlled by regulatory T lymphocytes. While CD4+ T lymphocytes have recently attracted the most attention, CD8+ regulatory T-cell populations are also believed to play an important role in control of mucosal immunity. However, CD8+ reg...

journal_title：Gastroenterology

authors： Ménager-Marcq I,Pomié C,Romagnoli P,van Meerwijk JP

更新日期：2006-12-01 00:00:00

abstract：BACKGROUND AND AIMS:The MDR1 gene encodes P-glycoprotein 170, an efflux transporter that is highly expressed in intestinal epithelial cells. The MDR1 exonic single nucleotide polymorphisms (SNPs) C3435T and G2677T have been shown to correlate with activity/expression of P-glycoprotein 170. METHODS:This was a case-cont...

journal_title：Gastroenterology

authors： Ho GT,Nimmo ER,Tenesa A,Fennell J,Drummond H,Mowat C,Arnott ID,Satsangi J

更新日期：2005-02-01 00:00:00

abstract：:Low residue, chemically defined diets containing all essential nutrients in a readily assimilated form, require minimal digestion and are almost entirely absorbed in the upper gastrointestinal tract. Within the past decade, these diets have been reported to provide nutritional support in a variety of clinical situatio...

journal_title：Gastroenterology

authors： Young EA,Heuler N,Russell P,Weser E

更新日期：1975-12-01 00:00:00

abstract：BACKGROUND & AIMS:Prostaglandin-endoperoxide synthase (Ptgs)2 is an enzyme involved in prostaglandin production during the response to mucosal damage. Its expression is regulated, in part, by messenger RNA (mRNA)-binding proteins that control the stability of Ptgs2 mRNA. We used a precise system of colonic injury and r...

journal_title：Gastroenterology

authors： Manieri NA,Drylewicz MR,Miyoshi H,Stappenbeck TS

更新日期：2012-07-01 00:00:00

abstract：:The effects of bile salts on energy metabolism and acid secretion were investigated in the amphibian gastric mucosa in vitro. Serosal exposure to deoxycholate (0.2-2 mM), cholate (2-8 mM), or taurocholate (4-80 mM), at pH 7.4, decreased acid secretion depending on the concentration and time of exposure. Mucosal applic...

journal_title：Gastroenterology

authors： Núñez D,Chacín J

更新日期：1989-01-01 00:00:00

abstract：:Fc receptor-mediated clearance of immunoglobulin G-coated autologous erythrocytes was studied in patients with primary biliary cirrhosis (n = 14), alcoholic liver cirrhosis (n = 5) and healthy reference individuals (n = 14). The mean half-life of the sensitized erythrocytes was significantly prolonged in patients with...

journal_title：Gastroenterology

authors： Ekdahl KN,Lööf L,Nyberg A,Nilsson UR,Nilsson B

更新日期：1991-10-01 00:00:00

abstract：BACKGROUND & AIMS:Capillarization of the sinusoids in cirrhosis is proposed to reduce oxygen availability to the hepatocyte, resulting in the patterns of altered drug metabolism observed in cirrhosis. If this were true, drug metabolism in cirrhotic livers would be expected to be more sensitive to reduced oxygen deliver...

journal_title：Gastroenterology

authors： Hickey PL,McLean AJ,Angus PW,Choo EF,Morgan DJ

更新日期：1996-10-01 00:00:00

abstract：:Ketoconazole has only recently been recognized as a cause of hepatic injury, with most reports coming from outside the United States. In order to characterize more fully the U.S. experience, we undertook an analysis of 54 reports of alleged ketoconazole-induced liver injury submitted to the Food and Drug Administratio...

journal_title：Gastroenterology

authors： Lewis JH,Zimmerman HJ,Benson GD,Ishak KG

更新日期：1984-03-01 00:00:00

abstract：BACKGROUND & AIMS:Point mutations of the Ki-ras gene at codon 12 have been frequently identified in pure pancreatic juice of patients with pancreatic cancer in studies examining pancreatic cancer tissues. The aim of this study was to examine mutations of the Ki-ras codon 12 in the duodenal juice collected from patients...

journal_title：Gastroenterology

authors： Iguchi H,Sugano K,Fukayama N,Ohkura H,Sadamoto K,Ohkoshi K,Seo Y,Tomoda H,Funakoshi A,Wakasugi H

更新日期：1996-01-01 00:00:00

abstract：:In this study, quantitation of the epithelial proliferation status of gastric glands and duodenal crypts was performed using endoscopic biopsy specimens from patients with rheumatological conditions requiring long-term anti-inflammatory and analgesic therapy, testing the hypothesis that long-term administration of non...

journal_title：Gastroenterology

authors： Levi S,Goodlad RA,Lee CY,Walport MJ,Wright NA,Hodgson HJ

更新日期：1992-05-01 00:00:00

abstract：BACKGROUND & AIMS:Parenteral methotrexate is an effective treatment for patients with Crohn's disease, but has never been adequately evaluated in patients with ulcerative colitis (UC). We conducted a randomized controlled trial to determine its safety and efficacy in patients with steroid-dependent UC. METHODS:We perf...

journal_title：Gastroenterology

authors： Carbonnel F,Colombel JF,Filippi J,Katsanos KH,Peyrin-Biroulet L,Allez M,Nachury M,Novacek G,Danese S,Abitbol V,Bossa F,Moreau J,Bommelaer G,Bourreille A,Fumery M,Roblin X,Reinisch W,Bouhnik Y,Brixi H,Seksik P,Mala

更新日期：2016-02-01 00:00:00

abstract：:Basal and pentagastrin-stimulated gastric acid secretion, fasting serum gastrin concentrations, and the gastric output of prostaglandin E and its major metabolite 13,14-dihydro 15-keto prostaglandin E2 were measured in 9 normal subjects before and after 14-20 days of dietary supplementation with linoleic acid. Mean ma...

journal_title：Gastroenterology

authors： Grant HW,Palmer KR,Kelly RW,Wilson NH,Misiewicz JJ

更新日期：1988-04-01 00:00:00

abstract：:Assessment of the influence of nutritional substrates on the disposition of ingested ethanol from the blood requires, first, an understanding of the influence that these may exert upon ethanol absorption from the gastrointestinal tract. In this report, the effects of various carbohydrates on the intestinal absorption ...

journal_title：Gastroenterology

authors： Broitman SA,Gottlieb LS,Vitale JJ

更新日期：1976-06-01 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:Patients with chronic hepatitis C and persistently normal alanine aminotransferase (ALT) levels have been routinely excluded from large randomized treatment trials; consequently, the efficacy and safety of antiviral therapy in this population are unknown. METHODS:Patients with at least 3 normal ALT v...

journal_title：Gastroenterology

authors： Zeuzem S,Diago M,Gane E,Reddy KR,Pockros P,Prati D,Shiffman M,Farci P,Gitlin N,O'Brien CB,Lamour F,Lardelli P,PEGASYS Study NR16071 Investigator Group.

更新日期：2004-12-01 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:Gain-of-function mutations in the KIT receptor tyrosine kinase gene and rare mutations in the platelet-derived growth factor receptor alpha (PDGFRA) gene are important events in gastrointestinal stromal tumor (GIST) development. Different mutations are reportedly associated with distinctive phenotypes...

journal_title：Gastroenterology

authors： Andersson J,Bümming P,Meis-Kindblom JM,Sihto H,Nupponen N,Joensuu H,Odén A,Gustavsson B,Kindblom LG,Nilsson B

更新日期：2006-05-01 00:00:00

abstract：BACKGROUND:The molecular basis of colorectal dysplasia and carcinoma arising in ulcerative colitis is poorly understood. Loss of heterozygosity involving the tumor suppressor gene p53 occurs frequently in neoplastic ulcerative colitis lesions. Point mutation affecting p53 is associated with loss of heterozygosity in ot...

journal_title：Gastroenterology

authors： Yin J,Harpaz N,Tong Y,Huang Y,Laurin J,Greenwald BD,Hontanosas M,Newkirk C,Meltzer SJ

更新日期：1993-06-01 00:00:00

abstract：:Two Crohn's disease tissue-specific proteins are identified and purified several thousand-fold from crude tissue extracts by different chromatographic procedures. The two proteins migrate in sodium dodecyl sulfate-polyacrylamide gel electrophoresis as 200-210-kilodalton and 150-160-kilodalton species. They are glycopr...

journal_title：Gastroenterology

authors： Bagchi S,Baral B,Das KM

更新日期：1986-08-01 00:00:00

abstract：BACKGROUND/AIMS:Gastrointestinal peptides and biogenic monoamines participate in the regulation of gastrointestinal functions. The aim of this study was to examine the influence of the microflora on the distribution of endocrine cells and on the release of gastrointestinal peptides. METHODS:A quantitative morphologica...

journal_title：Gastroenterology

authors： Uribe A,Alam M,Johansson O,Midtvedt T,Theodorsson E

更新日期：1994-11-01 00:00:00

abstract：BACKGROUND & AIMS:The revised Bethesda guidelines for Lynch syndrome recommend microsatellite instability (MSI) testing all colorectal cancers in patients diagnosed before age 50 years and colorectal cancers diagnosed in patients between ages 50 and 59 years with particular pathology features. Our aim was to identify p...

journal_title：Gastroenterology

authors： Jenkins MA,Hayashi S,O'Shea AM,Burgart LJ,Smyrk TC,Shimizu D,Waring PM,Ruszkiewicz AR,Pollett AF,Redston M,Barker MA,Baron JA,Casey GR,Dowty JG,Giles GG,Limburg P,Newcomb P,Young JP,Walsh MD,Thibodeau SN,Lindor NM

更新日期：2007-07-01 00:00:00

abstract：BACKGROUND/AIMS:Growth factors and their receptors play a role in healing ulcers of the rat. Somatostatin is a putative growth factor in the gastric mucosa with multiple functions mediated by specific receptors. Therefore, the distribution of somatostatin receptors was evaluated in the gastric mucosa of healing ulcers....

journal_title：Gastroenterology

authors： Reubi JC,Waser B,Schmassmann A,Halter F

更新日期：1994-08-01 00:00:00

abstract：:To determine whether pancreatic polypeptide (PP) is a physiologic inhibitor of pancreatic secretion, we have studied the effects of normal rabbit serum and anti-PP serum on pancreatic secretion during infusion of a physiologic dose of PP or intragastric food instillation in dogs. Infusion of 180 pmol/kg X h of PP, pre...

journal_title：Gastroenterology

authors： de Jong AJ,Singer MV,Lamers CB

更新日期：1986-06-01 00:00:00

abstract：:Acute, acute recurrent, and chronic forms of pancreatitis have been increasingly diagnosed in children in the past 2 decades. Risk factors in the pediatric group are broad and appear to be strikingly different compared with the adult cohort. However, the disease burden and impact on quality of life are surprisingly si...

journal_title：Gastroenterology

authors： Uc A,Husain SZ

更新日期：2019-05-01 00:00:00

abstract：:We compared the inhibition of food-stimulated gastric acid secretion and changes in serum concentrations of immunoreactive gastric inhibitory polypeptide and gastrin caused by: (a) duodenal perfusion of oleic acid, and (b) intravenous infusion of pure, natural, porcine gastric inhibitory, polypeptide in dogs with gast...

journal_title：Gastroenterology

authors： Yamagishi T,Debas HT

更新日期：1980-05-01 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