Inhibition of rat methylbenzylnitrosamine metabolism by dietary zinc and zinc in vitro.

abstract：BACKGROUND & AIMS:Cell-mediated immunity is a feature of Crohn's disease (CD). The heterodimer interleukin (IL)-12, produced by phagocytes, induces T-cell cytokines, primarily interferon (IFN)-gamma. This study examined whether CD lamina propria mononuclear cells (LPMCs) express and release bioactive IL-12. METHODS:LP...

journal_title：Gastroenterology

authors： Monteleone G,Biancone L,Marasco R,Morrone G,Marasco O,Luzza F,Pallone F

更新日期：1997-04-01 00:00:00

abstract：:Cholangiocarcinoma occurs in approximately 10% of patients with primary sclerosing cholangitis. Usually, liver failure, rapidly progressing jaundice, and an increase in alkaline phosphatase levels are suggestive diagnostic features. We report two cases of patients with primary sclerosing cholangitis who developed chol...

journal_title：Gastroenterology

authors： Martins EB,Fleming KA,Garrido MC,Hine KR,Chapman RW

更新日期：1994-08-01 00:00:00

abstract：:Characteristics of electrical activities, and the relationship between electrical and motor activities, were studied in circular and longitudinal (taenia) muscle of the human colon that was obtained from 21 individuals. Recordings were obtained with suction electrodes, the sucrose-gap method, and microelectrodes. The ...

journal_title：Gastroenterology

authors： Huizinga JD,Stern HS,Chow E,Diamant NE,El-Sharkawy TY

更新日期：1985-02-01 00:00:00

abstract：BACKGROUND & AIMS:Drug repositioning offers a shorter approval process than new drug development. We therefore searched large public datasets of drug-induced gene expression signatures to identify agents that might be effective against hepatocellular carcinoma (HCC). METHODS:We searched public databases of messenger R...

journal_title：Gastroenterology

authors： Chen B,Wei W,Ma L,Yang B,Gill RM,Chua MS,Butte AJ,So S

更新日期：2017-06-01 00:00:00

abstract：BACKGROUND & AIMS:Toll-like receptor (TLR)-dependent signaling was proposed as immunotherapeutic targets against invading pathogens and tumorigenesis. Here, we investigated whether TLR5-dependent signaling modulates colonic tumor development in mouse xenograft model of human colon cancer. METHODS:The expression of mye...

journal_title：Gastroenterology

authors： Rhee SH,Im E,Pothoulakis C

更新日期：2008-08-01 00:00:00

abstract：BACKGROUND/AIMS:Diarrhea is a significant problem in patients with acquired immunodeficiency syndrome (AIDS). The aim of this study was to determine octreotide effectiveness in refractory AIDS-associated diarrhea. METHODS:In a 3-week protocol, 129 patients with a stool weight of > 500 g/day despite standard antidiarrh...

journal_title：Gastroenterology

authors： Simon DM,Cello JP,Valenzuela J,Levy R,Dickerson G,Goodgame R,Brown M,Lyche K,Fessel WJ,Grendell J

更新日期：1995-06-01 00:00:00

abstract：:A primary malignant melanoma of the gallbladder, metastatic to the common bile duct, is reported. Both tumor sites were first visualized by abdominal sonography. The presence of the common bile duct metastasis was confirmed by endoscopic retrograde cholangiopancreatography. Histologic evidence is presented that the pr...

journal_title：Gastroenterology

authors： Verbanck JJ,Rutgeerts LJ,van Aelst FJ,Tytgat JH,Decoster JM,Noyez DN,Theunynck PJ,Geboes KJ

更新日期：1986-07-01 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：BACKGROUND & AIMS:Dihydroxy bile acids induce a bicarbonate-rich hypercholeresis when secreted into canalicular bile in unconjugated form; the mechanism is cholehepatic shunting. The aim of this study was to identify a xenobiotic that induces hypercholeresis by a similar mechanism. METHODS:Five organic acids (sulindac...

journal_title：Gastroenterology

authors： Bolder U,Trang NV,Hagey LR,Schteingart CD,Ton-Nu HT,Cerrè C,Elferink RP,Hofmann AF

更新日期：1999-10-01 00:00:00

abstract：:The short-term effects of rat pancreatic duct obstruction were evaluated and compared with those recently reported to follow obstruction of the rabbit pancreatic duct. In both species pancreatic edema and hyperamylasemia are noted, and the lysosomal hydrolase cathepsin B is redistributed from the lysosome-enriched to ...

journal_title：Gastroenterology

authors： Ohshio G,Saluja A,Steer ML

更新日期：1991-01-01 00:00:00

abstract：:To characterize gastric mucosal perfusion in cirrhotic patients with portal hypertensive gastropathy, 34 cirrhotics with this lesion and 24 noncirrhotics were studied by reflectance spectrophotometry and laser-Doppler flowmetry during endoscopy. A significant correlation was observed between the hemoglobin content of ...

journal_title：Gastroenterology

authors： Panés J,Bordas JM,Piqué JM,Bosch J,García-Pagán JC,Feu F,Casadevall M,Terés J,Rodés J

更新日期：1992-12-01 00:00:00

abstract：BACKGROUND/AIMS:Little is known about the evolution of morphological changes in pelvic ileal-pouch mucosa. This study evaluates prospectively the sequence of early morphological, histochemical, and phenotypic features in pouch mucosal biopsy specimens. METHODS:Twenty-two patients with pelvic ileal pouches constructed ...

journal_title：Gastroenterology

authors： Apel R,Cohen Z,Andrews CW Jr,McLeod R,Steinhart H,Odze RD

更新日期：1994-08-01 00:00:00

abstract：:Uptake of inorganic sulfate into brush-border membrane vesicles isolated by a calcium precipitation method from rat small intestine was investigated using a rapid filtration technique and 35Sulfur acid as tracer. Sulfate uptake by membrane vesicles was osmotically sensitive, suggesting transport into an intravesicular...

journal_title：Gastroenterology

authors： Lücke H,Stange G,Murer H

更新日期：1981-01-01 00:00:00

abstract：:Chronic liver diseases (CLDs), due to chronic hepatitis C; hepatitis B; nonalcoholic fatty liver diseases (NAFLD); and alcoholic liver disease, are a leading cause of morbidity and mortality globally. Early identification of patients with cirrhosis at high risk of progression to liver-related complications may facilit...

journal_title：Gastroenterology

authors： Singh S,Muir AJ,Dieterich DT,Falck-Ytter YT

更新日期：2017-05-01 00:00:00

abstract：:The purpose of this study was to determine the utility of jejunal manometry in evaluating patients having partial small intestinal obstruction or the pseudoobstruction syndrome. We studied 10 healthy volunteers, 9 patients with documented mechanical obstruction, and 3 patients with chronic intestinal pseudoobstruction...

journal_title：Gastroenterology

authors： Summers RW,Anuras S,Green J

更新日期：1983-12-01 00:00:00

abstract：BACKGROUND & AIMS:The course of hereditary hemochromatosis may depend on the degree of iron overload and the time of therapeutic intervention. This analysis evaluates the impact of early diagnosis and iron removal on survival and complications in hereditary hemochromatosis. METHODS:A Cohort of 251 patients with hemoch...

journal_title：Gastroenterology

authors： Niederau C,Fischer R,Pürschel A,Stremmel W,Häussinger D,Strohmeyer G

更新日期：1996-04-01 00:00:00

abstract：BACKGROUND & AIMS:Barrett's esophagus-associated high-grade dysplasia is commonly treated by endoscopy. However, most guidelines offer no recommendations for endoscopic treatment of mucosal adenocarcinoma of the esophagus (mAC). We investigated the efficacy and safety of endoscopic resection in a large series of patien...

journal_title：Gastroenterology

authors： Pech O,May A,Manner H,Behrens A,Pohl J,Weferling M,Hartmann U,Manner N,Huijsmans J,Gossner L,Rabenstein T,Vieth M,Stolte M,Ell C

更新日期：2014-03-01 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：:Interleukin 1 (IL-1) has been shown to reduce the severity of experimental gastroduodenal ulceration, but the mechanism of action is unclear. The present study examined the possibility that the mechanism underlying the protective effects of IL-1 in experimental nonsteroidal anti-inflammatory drug (NSAID)-induced gastr...

journal_title：Gastroenterology

authors： Wallace JL,Keenan CM,Cucala M,Mugridge KG,Parente L

更新日期：1992-04-01 00:00:00

abstract：BACKGROUND & AIMS:De novo lipogenesis is believed to be involved in oncogenesis. We investigated the role of aberrant lipid biosynthesis in the pathogenesis of human hepatocellular carcinoma (HCC). METHODS:We evaluated expression of enzymes that regulate lipogenesis in human normal liver tissues and HCC and surroundin...

journal_title：Gastroenterology

authors： Calvisi DF,Wang C,Ho C,Ladu S,Lee SA,Mattu S,Destefanis G,Delogu S,Zimmermann A,Ericsson J,Brozzetti S,Staniscia T,Chen X,Dombrowski F,Evert M

更新日期：2011-03-01 00:00:00

abstract：BACKGROUND & AIMS:Reduced generation of all-trans retinoic acid (RA) by CD103(+) intestinal dendritic cells (DCs) is linked to intestinal inflammation in mice. However, the role of RA in intestinal inflammation in humans is unclear. We investigated which antigen-presenting cells (APCs) produce RA in the human intestine...

journal_title：Gastroenterology

authors： Sanders TJ,McCarthy NE,Giles EM,Davidson KL,Haltalli ML,Hazell S,Lindsay JO,Stagg AJ

更新日期：2014-05-01 00:00:00

abstract：BACKGROUND & AIMS:There is growing interest in the use of bone marrow cells to treat liver fibrosis, however, little is known about their antifibrotic efficacy or the identity of their effector cell(s). Sphingosine-1-phosphate (S1P) mediates egress of immune cells from the lymphoid organs into the lymphatic vessels; we...

journal_title：Gastroenterology

authors： King A,Houlihan DD,Kavanagh D,Haldar D,Luu N,Owen A,Suresh S,Than NN,Reynolds G,Penny J,Sumption H,Ramachandran P,Henderson NC,Kalia N,Frampton J,Adams DH,Newsome PN

更新日期：2017-07-01 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:Intrapancreatic activation of digestive enzymes is a key event in the parenchymal cell injury of pancreatitis. We hypothesized that neutrophils recruited to the pancreas during pancreatitis may contribute to such activation. METHODS:To cause experimental pancreatitis, rats and mice were treated with ...

journal_title：Gastroenterology

authors： Gukovskaya AS,Vaquero E,Zaninovic V,Gorelick FS,Lusis AJ,Brennan ML,Holland S,Pandol SJ

更新日期：2002-04-01 00:00:00

abstract：:We investigated the possibility that monocyte suppressor cells play a role in the peripheral lymphocyte hyporesponsiveness of chronic liver disease by utilizing assays of monocyte-mediated suppressor activity in 46 patients with chronic liver disease and 46 controls. The percent change achieved by the addition of indo...

journal_title：Gastroenterology

authors： Holdstock G,Chastenay BF,Krawitt EL

更新日期：1982-02-01 00:00:00

abstract：:In addition to the previously described molecular forms of gastrin, a new component has been found in high concentrations in the serum of 6 patients with Zollinger-Ellison syndrome. Serum was fractionated by gel filtration, and ion exchange chromatography, and the new component was identified in eluates by radioimmuno...

journal_title：Gastroenterology

authors： Dockray GJ,Walsh JH

更新日期：1975-02-01 00:00:00

abstract：BACKGROUND & AIMS:It is a challenge to deliver nucleic acids to gastrointestinal (GI) tissues due to their size and need for intracellular delivery. They are also extremely susceptible to degradation by nucleases, which are ubiquitous in the GI tract. We investigated whether ultrasound, which can permeabilize tissue th...

journal_title：Gastroenterology

authors： Schoellhammer CM,Lauwers GY,Goettel JA,Oberli MA,Cleveland C,Park JY,Minahan D,Chen Y,Anderson DG,Jaklenec A,Snapper SB,Langer R,Traverso G

更新日期：2017-04-01 00:00:00

abstract：:Previous studies suggested that the food-containing canine stomach retains large, nondigestible spheres until all food has emptied; but it is not known whether there is a threshold size or a gradation of sizes that will empty along with food. Further, nothing is known of the effects of such parameters as density, shap...

journal_title：Gastroenterology

authors： Meyer JH,Dressman J,Fink A,Amidon G

更新日期：1985-10-01 00:00:00

abstract：BACKGROUND & AIMS:Several studies have reported that low doses of interferon can delay the development of hepatocellular carcinoma (HCC) and progression of chronic hepatitis C. We investigated the incidence of clinical events among participants of the Evaluation of PegIntron in Control of Hepatitis C Cirrhosis (EPIC)3 ...

journal_title：Gastroenterology

authors： Bruix J,Poynard T,Colombo M,Schiff E,Burak K,Heathcote EJ,Berg T,Poo JL,Mello CB,Guenther R,Niederau C,Terg R,Bedossa P,Boparai N,Griffel LH,Burroughs M,Brass CA,Albrecht JK,EPIC3 Study Group.

更新日期：2011-06-01 00:00:00

abstract：BACKGROUND & AIMS:The aim of this study was to determine whether expression of hepatitis C virus proteins alters hepatic morphology or function in the absence of inflammation. METHODS:Transgenic C57BL/6 mice with liver-specific expression of RNA encoding the complete viral polyprotein (FL-N transgene) or viral structu...

journal_title：Gastroenterology

authors： Lerat H,Honda M,Beard MR,Loesch K,Sun J,Yang Y,Okuda M,Gosert R,Xiao SY,Weinman SA,Lemon SM

更新日期：2002-02-01 00:00:00