Peristomal varices after proctocolectomy in patients with primary sclerosing cholangitis.

abstract：BACKGROUND & AIMS:Studies implicating primary sclerosing cholangitis as a risk factor for colorectal neoplasia in patients with ulcerative colitis have been limited by small sample size and referral bias. The aim of this study was to determine the relative risk and cumulative incidence of colorectal neoplasia in a larg...

journal_title：Gastroenterology

authors： Loftus EV Jr,Sandborn WJ,Tremaine WJ,Mahoney DW,Zinsmeister AR,Offord KP,Melton LJ 3rd

更新日期：1996-02-01 00:00:00

abstract：BACKGROUND & AIMS:Knowledge of the placebo outcomes and understanding specific study features that influence these outcomes is important for designing future clinical trials evaluating therapy of ulcerative colitis (UC). The aims of this study were to estimate the placebo rates of remission and response in placebo-cont...

journal_title：Gastroenterology

authors： Su C,Lewis JD,Goldberg B,Brensinger C,Lichtenstein GR

更新日期：2007-02-01 00:00:00

abstract：:Receptor-dependent and -independent regulation of gastrin secretion from cultured human antral G cells was investigated. Human antral mucosal cell preparations that were enriched for G cells were obtained by sequential incubations with collagenase and ethylenediaminetetraacetic acid, centrifugal elutriation, and short...

journal_title：Gastroenterology

authors： Campos RV,Buchan AM,Meloche RM,Pederson RA,Kwok YN,Coy DH

更新日期：1990-07-01 00:00:00

abstract：:The goal of this study was to identify the structural and compositional features of human gallstones that influence in vitro gallstone dissolution in the cholesterol solvent monooctanoin. Gallstones were obtained from 86 consecutive patients who had at least three morphologically similar stones. One stone from each pa...

journal_title：Gastroenterology

authors： Smith BF

更新日期：1987-07-01 00:00:00

abstract：BACKGROUND/AIMS:We have identified several clones specifically expressed during malignant cell proliferation by screening a complementary DNA library constructed from a human primary liver cancer with subtractive probes. One clone was identified as the glutamine synthetase (GS) transcript. Its expression is tightly reg...

journal_title：Gastroenterology

authors： Christa L,Simon MT,Flinois JP,Gebhardt R,Brechot C,Lasserre C

更新日期：1994-05-01 00:00:00

abstract：BACKGROUND & AIMS:Outcomes of liver transplantation for hepatocellular carcinoma (HCC) are determined by cancer-related and non-related events. Treatments for hepatitis C virus infection have reduced non-cancer events among patients receiving liver transplants, so reducing HCC-related death might be an actionable end p...

journal_title：Gastroenterology

authors： Mazzaferro V,Sposito C,Zhou J,Pinna AD,De Carlis L,Fan J,Cescon M,Di Sandro S,Yi-Feng H,Lauterio A,Bongini M,Cucchetti A

更新日期：2018-01-01 00:00:00

abstract：:In sickle cell anemia the shortened survival of red blood cells presents the liver with an augmented load of bilirubin for hepatic clearance. To determine the effects of this excessive bilirubin load on the microsomal conjugating enzyme, hepatic bilirubin UDP-glucuronyltransferase, levels of this enzyme were measured ...

journal_title：Gastroenterology

authors： Maddrey WC,Cukier JO,Maglalang AC,Boitnott JK,Odell GB

更新日期：1978-02-01 00:00:00

abstract：BACKGROUND & AIMS:Hepatitis E virus (HEV) infection can cause chronic hepatitis in recipients of solid organ transplants. However, the factors that contribute to chronic infection and the outcomes of these patients are incompletely understood. We performed a retrospective analysis of data from 17 centers from Europe an...

journal_title：Gastroenterology

authors： Kamar N,Garrouste C,Haagsma EB,Garrigue V,Pischke S,Chauvet C,Dumortier J,Cannesson A,Cassuto-Viguier E,Thervet E,Conti F,Lebray P,Dalton HR,Santella R,Kanaan N,Essig M,Mousson C,Radenne S,Roque-Afonso AM,Izopet J,

更新日期：2011-05-01 00:00:00

abstract：:Ursodeoxycholic acid, the 7 beta-hydroxy epimer of chenodeoxycholic acid, is more hydrophilic and less hepatotoxic than chenodeoxycholic acid. Because "lagodeoxycholic acid," the 12 beta-hydroxy epimer of deoxycholic acid, is also more hydrophilic than deoxycholic acid, it was hypothesized that it should also be less ...

journal_title：Gastroenterology

authors： Schmassmann A,Angellotti MA,Clerici C,Hofmann AF,Ton-Nu HT,Schteingart CD,Marcus SN,Hagey LR,Rossi SS,Aigner A

更新日期：1990-10-01 00:00:00

abstract：:In rats fasted 4 days, immunoreactive gastrin concentrations decreased to one-third of the fed levels in antral tissue and to one-eight of the fed levels in serum. The number of antral cells that reacted with fluorescent antigastrin antiserum was also correspondingly decreased. After refeeding, serum gastrin returned ...

journal_title：Gastroenterology

authors： Lichtenberger LM,Lechago J,Johnson LR

更新日期：1975-06-01 00:00:00

abstract：BACKGROUND & AIMS:Few studies, even those with cohort designs, test the mediating effects of infant gut microbes and metabolites on the onset of disease. We undertook such a study. METHODS:Using structural equation modeling path analysis, we tested directional relationships between first pregnancy, birth mode, prolong...

journal_title：Gastroenterology

authors： Vu K,Lou W,Tun HM,Konya TB,Morales-Lizcano N,Chari RS,Field CJ,Guttman DS,Mandal R,Wishart DS,Azad MB,Becker AB,Mandhane PJ,Moraes TJ,Lefebvre DL,Sears MR,Turvey SE,Subbarao P,Scott JA,Kozyrskyj AL

更新日期：2021-01-01 00:00:00

abstract：BACKGROUND & AIMS:Interferon-free direct-acting antiviral (DAA) therapies are effective in patients with hepatitis C virus-induced cryoglobulinemia vasculitis (HCV-CV). We analyzed blood samples from patients with HCV-CV before and after DAA therapy to determine mechanisms of these drugs and their effects on cellular i...

journal_title：Gastroenterology

authors： Comarmond C,Garrido M,Pol S,Desbois AC,Costopoulos M,Le Garff-Tavernier M,Si Ahmed SN,Alric L,Fontaine H,Bellier B,Maciejewski A,Rosenzwajg M,Klatzmann D,Musset L,Poynard T,Cacoub P,Saadoun D

更新日期：2017-06-01 00:00:00

abstract：BACKGROUND/AIMS:Conventional flow-cytometric analysis of colorectal tumor DNA content includes both tumor and stromal cell DNA. To improve the method, we evaluated the DNA content of purified epithelial cells using the crypt-isolation technique. METHODS:Normal and neoplastic crypts were isolated from fresh resected co...

journal_title：Gastroenterology

authors： Nakamura S,Goto J,Kitayama M,Kino I

更新日期：1994-01-01 00:00:00

abstract：BACKGROUND & AIMS:Aspirin and nonsteroidal anti-inflammatory drugs (NSAIDs) lower the risk of colorectal cancer (CRC). We investigated whether plasma inflammatory markers were associated with risk of CRC and if use of anti-inflammatory drugs was differentially associated with risk of CRC according to levels of inflamma...

journal_title：Gastroenterology

authors： Chan AT,Ogino S,Giovannucci EL,Fuchs CS

更新日期：2011-03-01 00:00:00

abstract：BACKGROUND & AIMS:We investigated the expression of estrogen receptor (ER) alpha and beta subtypes in cholangiocytes of normal and bile duct-ligated (BDL) rats and evaluated the role and mechanisms of estrogens in the modulation of cholangiocyte proliferation. METHODS:ER-alpha and ER-beta were analyzed by immunohistoc...

journal_title：Gastroenterology

authors： Alvaro D,Alpini G,Onori P,Perego L,Svegliata Baroni G,Franchitto A,Baiocchi L,Glaser SS,Le Sage G,Folli F,Gaudio E

更新日期：2000-12-01 00:00:00

abstract：BACKGROUND/AIMS:Hepatic osmoreceptors are sensitive to changes in portal blood osmolality and cause variations in plasma antidiuretic hormone and water diuresis, which prevent major systemic osmotic changes. Insensitivity of hepatic osmoreceptors might contribute to maintaining increased plasma levels of antidiuretic h...

journal_title：Gastroenterology

authors： Castellano G,Solis-Herruzo JA,Gonzalez A,Morillas JD,Moreno D,Muñoz T,Larrodera L

更新日期：1994-03-01 00:00:00

abstract：:The existence of high- and low-affinity cholecystokinin (CCK)-A receptors on rodent pancreatic acini is well established. Until recently, CCK was believed to act directly on pancreatic acini to stimulate pancreatic secretion in both rodents and humans. However, conclusive evidence that human pancreatic acini lack func...

journal_title：Gastroenterology

authors： Owyang C,Logsdon CD

更新日期：2004-09-01 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：:Circulating precursors of mucosal immunoglobulin A plasma cells and T-cell immunoblasts migrate selectively into mucosal sites from the blood, but the mechanisms controlling this selective trafficking have not been determined. One possibility is that the site-specific extravasation of circulating effector cell populat...

journal_title：Gastroenterology

authors： Schmitz M,Nunez D,Butcher EC

更新日期：1988-03-01 00:00:00

abstract：:Acute liver injury was induced experimentally in rats by a single injection of a large amount of D-galactosamine. Hepatocellular damage was apparent from decrease of total serum proteins, marked release of transaminases into the circulation, precipitous decrease of total microsomal proteins, and intracellular enzymes ...

journal_title：Gastroenterology

authors： Sawamura T,Kawasato S,Shiozaki Y,Sameshima Y,Nakada H,Tashiro Y

更新日期：1981-09-01 00:00:00

abstract：BACKGROUND & AIMS:The mechanism regulating cholecystokinin (CCK) secretion during prolonged diversion of bile pancreatic juice (BPJ) is unknown. We examined the hypothesis that the decrease of plasma CCK levels after prolonged diversion of BPJ is mediated by an increase in plasma somatostatin levels evoked by hyperchol...

journal_title：Gastroenterology

authors： Li Y,Hao Y,Owyang C

更新日期：1995-07-01 00:00:00

abstract：:2-Camphanone is under clinical evaluation for alleviation of hemorrhoidal bleeding and inflammation. Reduced portal venous blood flow may distend, whereas improved portal venous blood flow may alleviate, hemorrhoidal vein distention. The effects of 2-camphanone on canine portal venous blood flow were investigated usin...

journal_title：Gastroenterology

authors： Xie JM,Greenberg SS,Longenecker G

更新日期：1992-02-01 00:00:00

abstract：:Canine jejunal epithelial cells were isolated and maintained in short-term culture to study cholecystokinin (CCK) release. Sequential digestion of jejunal mucosa with collagenase and ethylenediaminetetraacetic acid was followed by counterflow elutriation to enrich CCK-containing cells. After 40 hours in culture on col...

journal_title：Gastroenterology

authors： Koop I,Buchan AM

更新日期：1992-01-01 00:00:00

abstract：BACKGROUND & AIMS:Patients with chronic hepatitis B virus (HBV) infection have a high risk for developing hepatocellular carcinoma (HCC). Patients with lower levels of hepatitis B surface antigen (HBsAg) have higher chances of losing HBsAg than those with high levels. However, little is known about whether higher level...

journal_title：Gastroenterology

authors： Tseng TC,Liu CJ,Yang HC,Su TH,Wang CC,Chen CL,Kuo SF,Liu CH,Chen PJ,Chen DS,Kao JH

更新日期：2012-05-01 00:00:00

abstract：:In fed rats, acid production was estimated to be 7 X 10(8) molecules of HCl per cell per sec or 5 X 10(5) molecules per sec per mu2 of secretory surface. In stimulated frog mucosa the corresponding values were 3 X 10(8) molecules of HCl per cell per sec 2 X 10(5) molecules per sec per mu2 or secretory surface. The gen...

journal_title：Gastroenterology

authors： Helander HF

更新日期：1977-10-01 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: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 natural history and management of pancreatic cysts, especially for branch duct intraductal papillary mucinous neoplasms (BD-IPMNs), remain uncertain. We developed evidence-based nomograms to assist with clinical decision making. METHODS:We used decision analysis with Markov modeling to compare co...

journal_title：Gastroenterology

authors： Weinberg BM,Spiegel BM,Tomlinson JS,Farrell JJ

更新日期：2010-02-01 00:00:00

abstract：BACKGROUND & AIMS:A high-fat diet (HFD) can cause serious health problems, including alteration of gastrointestinal transit, the exact mechanism of which is not clear. Several microRNAs (miRNAs) are involved in energy homeostasis, lipid metabolism, and HFD-induced weight gain. We investigated the role of miRNAs in HFD-...

journal_title：Gastroenterology

authors： Nezami BG,Mwangi SM,Lee JE,Jeppsson S,Anitha M,Yarandi SS,Farris AB 3rd,Srinivasan S

更新日期：2014-02-01 00:00:00

abstract：:A 36-year-old man with brittle diabetes mellitus developed hepatic infarction immediately after an episode of ketoacidosis. The infarction was documented by angiogram 99mTc sulfur colloid scan, and biopsy. Except for the association with ketoacidosis, no other possible cause of hepatic infarction was found. ...

journal_title：Gastroenterology

authors： Ng RC,Sigmund CJ Jr,Lagos JA,Chernin M

更新日期：1977-10-01 00:00:00