p16(INK4a) expression begins early in human colon neoplasia and correlates inversely with markers of cell proliferation.

abstract：BACKGROUND & AIMS:Triage of patients with acute upper gastrointestinal hemorrhage (UGIH) has traditionally required urgent upper endoscopy. The aim of this study is to evaluate the use of artificial neural network for nonendoscopic triage. METHODS:A cohort of 387 patients was used to train (n = 194) and internally val...

journal_title：Gastroenterology

authors： Das A,Ben-Menachem T,Farooq FT,Cooper GS,Chak A,Sivak MV Jr,Wong RC

更新日期：2008-01-01 00:00:00

abstract：BACKGROUND & AIMS:Cyclosporin A specifically suppresses hepatitis C virus (HCV) replication in vitro at clinically achievable concentrations. In this study, we investigated the mechanisms of action of cyclosporin A against HCV replication. METHODS:The in vitro effects of cyclosporin A on HCV replication were analyzed ...

journal_title：Gastroenterology

authors： Nakagawa M,Sakamoto N,Tanabe Y,Koyama T,Itsui Y,Takeda Y,Chen CH,Kakinuma S,Oooka S,Maekawa S,Enomoto N,Watanabe M

更新日期：2005-09-01 00:00:00

abstract：:Weight gain and obesity are major risk factors for conditions and diseases ranging from insulin resistance and type 2 diabetes mellitus to atherosclerosis and the sequelae of nonalcoholic fatty liver disease. A chronic, subacute state of inflammation often accompanies the accumulation of excess lipid in adipose tissue...

journal_title：Gastroenterology

authors： Shoelson SE,Herrero L,Naaz A

更新日期：2007-05-01 00:00:00

abstract：BACKGROUND & AIMS:Studies on the early steps in the life cycle of hepatitis B virus have been hampered by the lack of readily available target cells. In this study, we mapped a defined virus attachment site to primary hepatocytes that is essential for infection. METHODS:We used purified virus particles from human carr...

journal_title：Gastroenterology

authors： Glebe D,Urban S,Knoop EV,Cag N,Krass P,Grün S,Bulavaite A,Sasnauskas K,Gerlich WH

更新日期：2005-07-01 00:00:00

abstract：BACKGROUND/AIMS:Despite putative roles of calcium in biliary physiology and gallstone formation, quantitative aspects of calcium binding to bile salt (BS) monomers, simple micelles, mixed micelles, and vesicles, which constitute the lipid aggregates in bile, remain unexplored. METHODS:Calcium activity was measured usi...

journal_title：Gastroenterology

authors： Donovan JM,Leonard MR,Batta AK,Carey MC

更新日期：1994-09-01 00:00:00

abstract：:The purpose of this study is to determine whether lower esophageal sphincter (LES) incompetency is a common occurrence in patients with liver cirrhosis and contributes to the development of variceal bleeding. Resting LES pressure (17.8 +/- 1.1 mm Hg) in 35 patients with cirrhosis was similar to that of our control pop...

journal_title：Gastroenterology

authors： Eckardt VF,Grace ND,Kantrowitz PA

更新日期：1976-08-01 00:00:00

abstract：BACKGROUND & AIMS:Transferrin receptor 2 (TfR2) plays a key role in the regulation of iron metabolism. Mutations of TfR2 in humans cause type 3 hereditary hemochromatosis. Although highly expressed in liver, several studies have reported TfR2 expression in other tissues. To determine the contribution of liver expressed...

journal_title：Gastroenterology

authors： Wallace DF,Summerville L,Subramaniam VN

更新日期：2007-01-01 00:00:00

abstract：:Serum gastrin and gastric endocrine cell numerical densities were examined in 22 patients with long-standing Zollinger-Ellison syndrome who were receiving either ranitidine, omeprazole, or other antisecretory drugs (SMS 201-995 or pirenzepine with or without ranitidine) for long periods of time. Fifteen patients had i...

journal_title：Gastroenterology

authors： Lehy T,Mignon M,Cadiot G,Elouaer-Blanc L,Ruszniewski P,Lewin MJ,Bonfils S

更新日期：1989-04-01 00:00:00

abstract：:Sepsis following the placement of a transjugular intrahepatic portosystemic shunt (TIPS) has been reported in up to 10% of cases. This report describes an unusual case of polymicrobial gram-negative sepsis after placement of TIPS associated with a cholangiographically documented fistulous connection between the biliar...

journal_title：Gastroenterology

authors： Mallery S,Freeman ML,Peine CJ,Miller RP,Stanchfield WR

更新日期：1996-11-01 00:00:00

abstract：BACKGROUND & AIMS:Immune-nonimmune cell interactions modulate mucosal immunity. We investigated the expression of adhesion molecules by intestinal fibroblasts, the effect of immune cell-derived factor on fibroblast binding of T cells, and the consequences of interfering with adhesion molecule expression on fibroblast-T...

journal_title：Gastroenterology

authors： Musso A,Condon TP,West GA,De La Motte C,Strong SA,Levine AD,Bennett CF,Fiocchi C

更新日期：1999-09-01 00:00:00

abstract：BACKGROUND & AIMS:Ethanol causes both tolerance and sensitization of Kupffer cells. This study was designed to evaluate temporal effects of ethanol in an attempt to understand this paradox. METHODS:Rats were given ethanol (4 g/kg body wt) intragastrically, and Kupffer cells were isolated 0-48 hours later. After additi...

journal_title：Gastroenterology

authors： Enomoto N,Ikejima K,Bradford B,Rivera C,Kono H,Brenner DA,Thurman RG

更新日期：1998-08-01 00:00:00

abstract：:Congenital esophageal stenosis (CES) is a rare disorder with narrowed esophageal lumen that presents as dysphagia from childhood and that is often associated with tracheobronchial remnants or webs. The pathogenesis of CES is unknown. The aim of this study was to examine the histological and immunohistochemical feature...

journal_title：Gastroenterology

authors： Singaram C,Sweet MA,Gaumnitz EA,Cameron AJ,Camilleri M

更新日期：1995-07-01 00:00:00

abstract：:Ornithine decarboxylase activity is known to be increased in certain premalignant conditions. We determined the activity of this enzyme in mucosal biopsy specimens from 15 patients with Barrett's esophagus. Ornithine decarboxylase was greater in Barrett's mucosa than in squamous esophageal or gastric mucosa. In Barret...

journal_title：Gastroenterology

authors： Garewal HS,Sampliner R,Gerner E,Steinbronn K,Alberts D,Kendall D

更新日期：1988-03-01 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：: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:Ethanol impairs the mitochondrial transport of reduced glutathione (GSH), resulting in lower mitochondrial GSH (mGSH) levels. Our purpose was to evaluate the role of acetaldehyde on the regulation of mGSH in HepG2 cells. METHODS:mGSH levels and transport, mitochondrial membrane microviscosity, and li...

journal_title：Gastroenterology

authors： Lluis JM,Colell A,García-Ruiz C,Kaplowitz N,Fernández-Checa JC

更新日期：2003-03-01 00:00:00

abstract：BACKGROUND & AIMS:Practice guidelines recommend that endoscopists spend at least 7 minutes examining the colonic mucosa during colonoscopy withdrawal to optimize polyp yield. The aim of this study was to determine if the implementation of an institution-wide policy of colonoscopy withdrawal time > or = 7 minutes was as...

journal_title：Gastroenterology

authors： Sawhney MS,Cury MS,Neeman N,Ngo LH,Lewis JM,Chuttani R,Pleskow DK,Aronson MD

更新日期：2008-12-01 00:00:00

abstract：BACKGROUND & AIMS:Notch downstream targets are fundamental to intestinal cell lineage commitment and are suggested as therapeutic targets for colon cancer cells. However, the role of endogenous Notch signaling through receptor-ligand interaction, and effects of its longer term down-regulation on intestinal homeostasis,...

journal_title：Gastroenterology

authors： Guilmeau S,Flandez M,Bancroft L,Sellers RS,Tear B,Stanley P,Augenlicht LH

更新日期：2008-09-01 00:00:00

abstract：:Reduction in caloric intake was associated with a greater absolute rise in the serum bilirubin concentration in patients with Gilbert's syndrome and partial hepatic bilirubin uridine diphosphate glucuronyltransferase (UDPG-T) dysfunction compared to patients with hemolytic unconjugated hyperbilirubinemia and normal su...

journal_title：Gastroenterology

authors： Felsher BF,Carpio NM

更新日期：1975-07-01 00:00:00

abstract：BACKGROUND/AIMS:In vivo hepatic 31P magnetic resonance spectroscopy (MRS) can provide information on hepatic energy metabolism, phospholipid substrates, and hepatocyte lipid bilayers. The aim of this study was to ascertain the effects of alcohol ingestion on hepatic 31P spectral variables. METHODS:Twenty-six chronic a...

journal_title：Gastroenterology

authors： Menon DK,Harris M,Sargentoni J,Taylor-Robinson SD,Cox IJ,Morgan MY

更新日期：1995-03-01 00:00:00

abstract：BACKGROUND & AIMS:There have been conflicting results on a cell of origin in pancreatic regeneration. These discrepancies predominantly stem from lack of specific markers for the pancreatic precursors/stem cells, as well as differences in the targeted cells and severity of tissue injury in the experimental models so fa...

journal_title：Gastroenterology

authors： Criscimanna A,Speicher JA,Houshmand G,Shiota C,Prasadan K,Ji B,Logsdon CD,Gittes GK,Esni F

更新日期：2011-10-01 00:00:00

abstract：BACKGROUND & AIMS:Probiotics can reduce symptoms of irritable bowel syndrome (IBS), but little is known about their effects on psychiatric comorbidities. We performed a prospective study to evaluate the effects of Bifidobacterium longum NCC3001 (BL) on anxiety and depression in patients with IBS. METHODS:We performed ...

journal_title：Gastroenterology

authors： Pinto-Sanchez MI,Hall GB,Ghajar K,Nardelli A,Bolino C,Lau JT,Martin FP,Cominetti O,Welsh C,Rieder A,Traynor J,Gregory C,De Palma G,Pigrau M,Ford AC,Macri J,Berger B,Bergonzelli G,Surette MG,Collins SM,Moayyedi P,

更新日期：2017-08-01 00:00:00

abstract：BACKGROUND & AIMS:Patients affected by familial adenomatous polyposis (FAP) are at increased risk of developing duodenal adenomas. In this study, cell proliferation of duodenal mucosa was analyzed to detect kinetic abnormalities related to cancer risk. METHODS:Duodenal biopsy specimens were collected in three groups o...

journal_title：Gastroenterology

authors： Santucci R,Volpe L,Zannoni U,Paganelli GM,Poggi B,Calabrese C,Biasco G

更新日期：1997-10-01 00:00:00

abstract：:First, and most importantly, the standard of care for treating adenomatous polyps is polypectomy and not therapy with NSAIDs. The initial clinical observation by Waddell and Loughry in 1983 that sulindac treatment influenced rectal polyps in patients with FAP has led to a considerable amount of research, commentary, a...

journal_title：Gastroenterology

authors： DuBois RN

更新日期：1995-04-01 00:00:00

abstract：:This study is an examination of the association between Crohn's disease and psychiatric illness using careful gastrointestinal evaluation, a structured psychiatric interview of known reliability and validity, and explicit diagnostic criteria for psychiatric illness. A proband sample of 50 subjects with Crohn's disease...

journal_title：Gastroenterology

authors： Helzer JE,Chammas S,Norland CC,Stillings WA,Alpers DH

更新日期：1984-02-01 00:00:00

abstract：:There are apparent similarities in the mechanisms of the intestinal phase of exocrine and pancreatic polypeptide (PP) secretion by the pancreas. To characterize this relationship, we measured incremental responses of protein, bicarbonate, and PP to graded doses of intravenous secretin, caerulein, CCK8, CCK33, bethanec...

journal_title：Gastroenterology

authors： Beglinger C,Taylor IL,Grossman MI,Solomon TE

更新日期：1984-09-01 00:00:00

abstract：:Somatostatin-14 and somatostatin-28 are biologically active peptides derived from the posttranslational cleavage of prosomatostatin. Because both peptides are found in variable concentrations in the gastrointestinal (GI) tract and pancreas, it has been contended that somatostatin-28 is either an intermediate in the pr...

journal_title：Gastroenterology

authors： Francis BH,Baskin DG,Saunders DR,Ensinck JW

更新日期：1990-11-01 00:00:00

abstract：:From 1979 to 1984, we followed the cases of 3 men (aged 13, 31, and 75 yr) and 2 women (aged 38 and 45 yr who had never used oral contraceptives) suffering from liver adenomatosis, an uncommon lesion consisting of numerous benign adenomas in an otherwise normal hepatic parenchyma. During the same period, we observed 2...

journal_title：Gastroenterology

authors： Flejou JF,Barge J,Menu Y,Degott C,Bismuth H,Potet F,Benhamou JP

更新日期：1985-11-01 00:00:00

abstract：BACKGROUND & AIMS:The anti-cancer effects of vegetables and fruit have been investigated extensively, but the association between vegetable and fruit consumption and risk of hepatocellular carcinoma (HCC) has not been quantified. We performed a meta-analysis of observational studies to clarify the association. METHODS...

journal_title：Gastroenterology

authors： Yang Y,Zhang D,Feng N,Chen G,Liu J,Chen G,Zhu Y

更新日期：2014-11-01 00:00:00

abstract：BACKGROUND & AIMS:Toll-like receptors (TLRs) represent a class of transmembrane pattern recognition receptors essential for microbial recognition and control of innate immune responses. Commensal bacteria play an important role in maintaining tolerance and active stability of the intestinal epithelial barrier by suppre...

journal_title：Gastroenterology

authors： Cario E,Gerken G,Podolsky DK

更新日期：2007-04-01 00:00:00