Cholecystokinin cleavage to cholecystokinin-octapeptide in vivo and in vitro: accelerated cleavage in acute pancreatitis.

abstract：BACKGROUND & AIMS:Biliary epithelial cells are the target of numerous immune-mediated liver diseases, yet their role in pathogenesis remains unclear because of difficulties in obtaining pure preparations. The aim of this study was to establish pure clones of immortalized murine intrahepatic biliary epithelial cells. M...

journal_title：Gastroenterology

authors： Paradis K,Le ON,Russo P,St-Cyr M,Fournier H,Bu D

更新日期：1995-10-01 00:00:00

abstract：:The mechanism of action of Senokot, a widely used laxative, has not been established. Senokot was given orally to rats 8-14 h before intestinal water and electrolyte transport were studied. Senokot significantly decreased colonic and jejunal water absorption measured in vivo by the single-pass perfusion technique. The...

journal_title：Gastroenterology

authors： Donowitz M,Wicks J,Battisti L,Pike G,DeLellis R

更新日期：1984-09-01 00:00:00

abstract：BACKGROUND & AIMS:Cirrhosis and portal hypertension due to chronic common bile duct ligation reproduce the features of human hepatopulmonary syndrome, whereas portal hypertension alone due to partial portal vein ligation does not. Nitric oxide contributes to experimental hepatopulmonary syndrome, but the nitric oxide s...

journal_title：Gastroenterology

authors： Zhang J,Ling Y,Luo B,Tang L,Ryter SW,Stockard CR,Grizzle WE,Fallon MB

更新日期：2003-11-01 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：BACKGROUND/AIMS:Cirrhotic patients are predisposed to develop spontaneous bacteremias and/or peritonitis, mainly caused by enteric bacteria. The aim of this study was to investigate if bacterial translocation, which is the passage of bacteria from the intestinal lumen to regional lymph nodes and/or the systemic circula...

journal_title：Gastroenterology

authors： Garcia-Tsao G,Lee FY,Barden GE,Cartun R,West AB

更新日期：1995-06-01 00:00:00

abstract：:We studied chronic intake of diets deficient in or supplemented with linoleic acid to determine whether it affects gastric acid secretion, release of prostaglandin E2, and stress-induced lesions. For 8-10 wk rats were fed three dietary regimens supplying 3.5% (control group), 0.3%, and 10% of total calories as linolei...

journal_title：Gastroenterology

authors： Schepp W,Steffen B,Ruoff HJ,Schusdziarra V,Classen M

更新日期：1988-07-01 00:00:00

abstract：:In spite of the widespread use of the Garren-Edwards gastric bubble as an adjuvant device in weight reduction, its efficacy has not been established. Therefore, our purpose was to conduct a randomized, double-blind, crossover study of this device in the management of exogenous obesity. The study group consisted of 23 ...

journal_title：Gastroenterology

authors： Meshkinpour H,Hsu D,Farivar S

更新日期：1988-09-01 00:00:00

abstract：BACKGROUND & AIMS:It has been proposed that activation of the sympathetic nervous system causes a rightward shift in the renal autoregulatory curve such that renal blood flow is critically dependent on renal perfusion pressure and that this contributes to the development of the hepatorenal syndrome. The aims of the stu...

journal_title：Gastroenterology

authors： Stadlbauer V,Wright GA,Banaji M,Mukhopadhya A,Mookerjee RP,Moore K,Jalan R

更新日期：2008-01-01 00:00:00

abstract：BACKGROUND & AIMS:Because alterations of integrin expression in cancers contribute to cancer cell biology, we analyzed the association between the potential for peritoneal dissemination and integrin expression. METHODS:The dissemination potential of 10 human gastric cancer cell lines in mice with severe combined immun...

journal_title：Gastroenterology

authors： Ishii Y,Ochiai A,Yamada T,Akimoto S,Yanagihara K,Kitajima M,Hirohashi S

更新日期：2000-03-01 00:00:00

abstract：:Gastric emptying of a solid meal and serum gastrin concentration were studied in 26 patients with duodenal ulcer disease before and after parietal cell vagotomy (PCV), selective gastric vagotomy with drainage (SGV + D), or parietal cell vagotomy with drainage. PCV had no significant effect on gastric emptying rate, wh...

journal_title：Gastroenterology

authors： Brandsborg O,Brandsborg M,Lovgreen NA,Mikkelsen K,Moller B,Rokkjaer M,Amdrup E

更新日期：1977-02-01 00:00:00

abstract：:Motor abnormalities of the small bowel that occur only during the waking state have been reported in the irritable bowel syndrome (IBS), suggesting that central nervous system arousal is a necessary condition for expression of the disorder and that it may reflect inappropriate brain-gut interaction. This possible rela...

journal_title：Gastroenterology

authors： Kumar D,Thompson PD,Wingate DL,Vesselinova-Jenkins CK,Libby G

更新日期：1992-07-01 00:00:00

abstract：BACKGROUND/AIMS:K-ras-2 mutations and DNA content heterogeneity represent early events of human colorectal tumor progression. The aim of the study was to investigate if specific K-ras-2 mutations in 58 human sporadic adenomas were correlated with DNA aneuploidization and cell proliferation. METHODS:Multiparameter flow...

journal_title：Gastroenterology

authors： Giaretti W,Pujic N,Rapallo A,Nigro S,Di Vinci A,Geido E,Risio M

更新日期：1995-04-01 00:00:00

abstract：:The subcellular localization of intraduodenally administered 59Fe has been studied in control, pregnant, and nonpregnant rats absorbing iron at different rates. Binding of iron to the particulate fractions of mucosal homogenates produced by centrifugation at 500, 10,000, and 100,000 X g did not vary among groups despi...

journal_title：Gastroenterology

authors： Batey RG,Gallagher ND

更新日期：1977-08-01 00:00:00

abstract：BACKGROUND & AIMS:Alterations in the gastrointestinal microbiota have been associated with metabolic diseases. However, little is known about host factors that induce changes in gastrointestinal bacterial populations. We investigated the role of bile acids in this process because of their strong antimicrobial activitie...

journal_title：Gastroenterology

authors： Islam KB,Fukiya S,Hagio M,Fujii N,Ishizuka S,Ooka T,Ogura Y,Hayashi T,Yokota A

更新日期：2011-11-01 00:00:00

abstract：:The G-cell population in the pyloric antrum and proximal duodenum was studied quantitatively by immunofluorescence in specimens from 10 gastric and 12 duodenal ulcer patients. In both groups, G-cell density was highest in the pyloric antrum and much lower in the intermediate zone and proximal duodenum, and G-cell coun...

journal_title：Gastroenterology

authors： Takahashi T,Shimazu H,Yamagishi T,Tani M

更新日期：1980-03-01 00:00:00

abstract：BACKGROUND & AIMS:De novo hepatitis B virus (HBV)-related hepatitis after chemotherapy results in high morbidity and mortality. We evaluate the clinical course of de novo HBV-related hepatitis after chemotherapy. METHODS:Two hundred forty-four consecutive hepatitis B surface antigen (HBsAg)-negative lymphoma patients ...

journal_title：Gastroenterology

authors： Hui CK,Cheung WW,Zhang HY,Au WY,Yueng YH,Leung AY,Leung N,Luk JM,Lie AK,Kwong YL,Liang R,Lau GK

更新日期：2006-07-01 00:00:00

abstract：BACKGROUND & AIMS:The down-regulated in adenoma (DRA) protein, encoded by SLC26A3, a key intestinal chloride anion exchanger, has recently been identified as a novel susceptibility gene for inflammatory bowel disease (IBD). However, the mechanisms underlying the increased susceptibility to inflammation induced by the l...

journal_title：Gastroenterology

authors： Kumar A,Priyamvada S,Ge Y,Jayawardena D,Singhal M,Anbazhagan AN,Chatterjee I,Dayal A,Patel M,Zadeh K,Saksena S,Alrefai WA,Gill RK,Zadeh M,Zhao N,Mohamadzadeh M,Dudeja PK

更新日期：2020-11-13 00:00:00

abstract：BACKGROUND & AIMS:Current therapy for primary sclerosing cholangitis is of limited efficacy. Multidrug resistance gene 2 knockout mice (Mdr2(-/-)) represent a well-characterized model for sclerosing cholangitis. Experiments were performed to test in such mice the therapeutic effects of 24-norUrsodeoxycholic acid, a C(2...

journal_title：Gastroenterology

authors： Fickert P,Wagner M,Marschall HU,Fuchsbichler A,Zollner G,Tsybrovskyy O,Zatloukal K,Liu J,Waalkes MP,Cover C,Denk H,Hofmann AF,Jaeschke H,Trauner M

更新日期：2006-02-01 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：:Endoscopic screening in 123 patients with pernicious anemia (PA) yielded 4 patients with solitary and 1 patient with multiple gastric carcinoid tumors. Quantitative histologic studies of multiple standardized biopsy specimens showed a significantly increased number of fundic mucosal argyrophil endocrine cells in 40 pa...

journal_title：Gastroenterology

authors： Borch K,Renvall H,Liedberg G

更新日期：1985-03-01 00:00:00

abstract：BACKGROUND & AIMS:Hepatic iron toxicity may be mediated by free radical species and lipid peroxidation of biological membranes. The antioxidant property of silybin, a main constituent of natural flavonoids, was investigated in vivo during experimental iron overload. METHODS:Rats were fed a 2.5% carbonyl-iron diet and ...

journal_title：Gastroenterology

authors： Pietrangelo A,Borella F,Casalgrandi G,Montosi G,Ceccarelli D,Gallesi D,Giovannini F,Gasparetto A,Masini A

更新日期：1995-12-01 00:00:00

abstract：BACKGROUND & AIMS:Hepatic steatosis is frequent in chronic hepatitis C. Several mechanisms might be implicated, including metabolic cofactors and direct viral effects on intracellular lipid pathways. In a transgenic mouse model, hepatitis C virus (HCV) was shown to inhibit microsomal triglyceride transfer protein (MTP)...

journal_title：Gastroenterology

authors： Mirandola S,Realdon S,Iqbal J,Gerotto M,Dal Pero F,Bortoletto G,Marcolongo M,Vario A,Datz C,Hussain MM,Alberti A

更新日期：2006-05-01 00:00:00

abstract：BACKGROUND/AIMS:Hepatic glucuronidation is quantitatively the most important conjugation reaction by which an array of endogenous compounds and xenobiotics undergo biotransformation and detoxification. The active site of the uridine diphosphate (UDP) glucuronosyltransferases, which catalyze glucuronidation reactions, h...

journal_title：Gastroenterology

authors： Berg CL,Radominska A,Lester R,Gollan JL

更新日期：1995-01-01 00:00:00

abstract：:Spinal cord stimulation is an increasingly popular form of pain treatment. An electrode positioned on the dorsal aspect of the spinal cord at the level of the nerve roots from the painful area stimulates the spinal cord. Current from the electrode is supplied by a pulse generator in the lower anterior abdominal wall. ...

journal_title：Gastroenterology

authors： Kemler MA,Barendse GA,Van Kleef M

更新日期：1999-07-01 00:00:00

abstract：:Vascular casts of human oxyntic mucosa, examined by scanning electron microscopy, revealed that (a) arterial breakup occurs only at the submucosal aspect of the mucosa, there being no arterial vessels further into the mucosa and (b) mucosal capillaries drain into the infrequent mucosal venules only in the most luminal...

journal_title：Gastroenterology

authors： Gannon B,Browning J,O'Brien P,Rogers P

更新日期：1984-05-01 00:00:00

abstract：BACKGROUND & AIMS:Hepatobiliary complications occur in inflammatory bowel disease and may be caused by the translocation of intestinal toxins from portal blood into bile through leaky hepatocyte tight junctions. The role of tight junctions in the pathogenesis of hepatobiliary complications in experimental inflammatory ...

journal_title：Gastroenterology

authors： Lora L,Mazzon E,Martines D,Fries W,Muraca M,Martin A,d'Odorico A,Naccarato R,Citi S

更新日期：1997-10-01 00:00:00

abstract：BACKGROUND & AIMS:In the intestines, Toll-like receptor 2 (TLR2) mediates immune responses to pathogens and regulates epithelial barrier function; polymorphisms in TLR2 have been associated with inflammatory bowel disease phenotype. We assessed the effects of TLR2 signaling on the enteric nervous system (ENS) in mice. ...

journal_title：Gastroenterology

authors： Brun P,Giron MC,Qesari M,Porzionato A,Caputi V,Zoppellaro C,Banzato S,Grillo AR,Spagnol L,De Caro R,Pizzuti D,Barbieri V,Rosato A,Sturniolo GC,Martines D,Zaninotto G,Palù G,Castagliuolo I

更新日期：2013-12-01 00:00:00

abstract：:Hypercalcemia produced in normal volunteers by intravenous infusions of CaCl2 increased outputs of pancreatic enzyme and gastric acid. Further, hypercalcemia enhanced cholecystokinin (CCK)-stimulated pancreatic enzyme secretion and gallbladder contraction. Our results suggest that hypercalcemia affects pancreatic, gal...

journal_title：Gastroenterology

authors： Malagelada JR,Holtermuller KH,Sizemore GW,Go VL

更新日期：1976-09-01 00:00:00

abstract：:This study of ischemic and postischemic reperfusion intestinal injury in rats evaluates the potential therapeutic value of fructose 1-6 diphosphate on the basis of its ability to enhance anaerobic carbohydrate metabolism during ischemia and to prevent additional tissue injury after reestablishing blood flow by inhibit...

journal_title：Gastroenterology

authors： Sun JX,Farias LA,Markov AK

更新日期：1990-01-01 00:00:00

abstract：:The nuclear lamina is a multi-protein lattice composed of A- and B-type lamins and their associated proteins. This protein lattice associates with heterochromatin and integral inner nuclear membrane proteins, providing links among the genome, nucleoskeleton, and cytoskeleton. In the 1990s, mutations in EMD and LMNA we...

journal_title：Gastroenterology

authors： Brady GF,Kwan R,Bragazzi Cunha J,Elenbaas JS,Omary MB

更新日期：2018-05-01 00:00:00