Immunological aspects of secretin, substance P, and VIP.

abstract：BACKGROUND/AIMS:The mechanisms of chemically induced injury are poorly understood. The purpose of this study was to develop a rapid method for isolation of gastric mucosal cells (GMCs) and sensitive tests for investigating cell damage and protection. METHODS:GMCs were prepared from rat glandular stomach with pronase a...

journal_title：Gastroenterology

authors： Nagy L,Szabo S,Morales RE,Plebani M,Jenkins JM

更新日期：1994-10-01 00:00:00

abstract：BACKGROUND & AIMS:The mechanism by which antimicrobial therapy against Helicobacter pylori is enhanced by acid suppression is unknown. The aim of this study was to investigate the effect of omeprazole on gastric juice, plasma, and saliva concentrations of metronidazole, amoxicillin, and clarithromycin. METHODS:Single ...

journal_title：Gastroenterology

authors： Goddard AF,Jessa MJ,Barrett DA,Shaw PN,Idström JP,Cederberg C,Spiller RC

更新日期：1996-08-01 00:00:00

abstract：BACKGROUND & AIMS:The hypothesis that progastrin-derived peptides act as autocrine growth factors for colorectal carcinomas has generated considerable interest. However, the influence of autocrine gastrins on nontumorigenic colonic cells has not been investigated. This study tested the above hypothesis in the nontumori...

journal_title：Gastroenterology

authors： Hollande F,Imdahl A,Mantamadiotis T,Ciccotosto GD,Shulkes A,Baldwin GS

更新日期：1997-11-01 00:00:00

abstract：:This study was undertaken because of reports of a marked increase in fecal bile acid excretion by children with cystic fibrosis. We attempted to confirm this finding by performing [1-14C]cholylglycine breath tests and by measuring fecal bile acid and fat excretion in patients with cystic fibrosis and acquired pancreat...

journal_title：Gastroenterology

authors： Roller RJ,Kern F

更新日期：1977-04-01 00:00:00

abstract：:Gastrointestinal loss of plasma is usually measured with radiolabeled macromolecules. These methods are expensive and cumbersome. The use of alpha 1-antitrypsin as an endogenous marker and the determination of alpha 1-antitrypsin fecal clearance enable the diagnosis of protein-losing enteropathy. alpha 1-Antitrypsin i...

journal_title：Gastroenterology

authors： Florent C,L'Hirondel C,Desmazures C,Aymes C,Bernier JJ

更新日期：1981-10-01 00:00:00

abstract：BACKGROUND & AIMS:Regulation of blood flow and oxygen supply are important pathogenetic factors in alcoholic liver disease. Because nitric oxide may have an important role, its effects on alcoholic liver injury were investigated. METHODS:Rats were fed ethanol intragastrically with either saturated fat or corn oil. Spo...

journal_title：Gastroenterology

authors： Nanji AA,Greenberg SS,Tahan SR,Fogt F,Loscalzo J,Sadrzadeh SM,Xie J,Stamler JS

更新日期：1995-09-01 00:00:00

abstract：:Confluent monolayers of epithelial cell lines of intestinal derivation may serve as useful models for studies of intestinal epithelial structure and function. Cells of the T84 line appear to be a useful model for studies of Cl- secretion. We now define the fine structure of this cell line, the structural events that o...

journal_title：Gastroenterology

authors： Madara JL,Stafford J,Dharmsathaphorn K,Carlson S

更新日期：1987-05-01 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：:Individuals who deny alcohol consumption may develop liver injury that histologically resembles the liver injury found in alcoholic patients. To determine whether any clinical or histologic features distinguish alcoholic and nonalcoholic subjects with "alcohollike" liver injury, the clinical records and liver biopsy s...

journal_title：Gastroenterology

authors： Diehl AM,Goodman Z,Ishak KG

更新日期：1988-10-01 00:00:00

abstract：BACKGROUND AND AIMS:Nonalcoholic steatohepatitis (NASH) is one of the most common causes of liver enzyme elevation in the West. Its prevalence is likely to increase further, paralleling the epidemic increase of the metabolic syndrome. Serotonin degradation by monoamine oxidase A (MAO-A) was recently implicated as an im...

journal_title：Gastroenterology

authors： Nocito A,Dahm F,Jochum W,Jang JH,Georgiev P,Bader M,Renner EL,Clavien PA

更新日期：2007-08-01 00:00:00

abstract：:Plasma levels of gastrinlike, somatostatinlike, and cholecystokininlike immunoreactivity were determined by radioimmunoassay in peripheral blood from 11 beagles during pregnancy and in response to suckling during lactation. Cholecystokinin was determined in pooled and in individual plasma samples after separation of c...

journal_title：Gastroenterology

authors： Linden A,Eriksson M,Carlquist M,Uvnäs-Moberg K

更新日期：1987-03-01 00:00:00

abstract：:In ilea of spontaneously infested guinea pigs, we examined the interface between the plasma membranes of cryptosporidia and absorptive cells using thin section and freeze fracture techniques. Initially, cryptosporidia invaginate microvilli, and the resulting redundant folds of membrane envelop the protozoan, thereby i...

journal_title：Gastroenterology

authors： Marcial MA,Madara JL

更新日期：1986-03-01 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：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：BACKGROUND & AIMS:We have shown that addition of gum arabic (GA) to a 90 mmol/L sodium-111 mmol/L glucose oral rehydration solution (ORS) enhances its effectiveness for water and electrolyte absorption in normal rats. The present study extends these observations on GA in ORS to two rat models of diarrheal disease. MET...

journal_title：Gastroenterology

authors： Wapnir RA,Wingertzahn MA,Moyse J,Teichberg S

更新日期：1997-06-01 00:00:00

abstract：BACKGROUND & AIMS:The optimal strategy for the detection of hereditary nonpolyposis colorectal cancer (HNPCC) gene carriers remains uncertain. We evaluated whether microsatellite instability (MSI) analysis or MSH2 and MLH1 protein immunostaining of tumors will screen individuals efficiently for germline MSH2 and MLH1 t...

journal_title：Gastroenterology

authors： Terdiman JP,Gum JR Jr,Conrad PG,Miller GA,Weinberg V,Crawley SC,Levin TR,Reeves C,Schmitt A,Hepburn M,Sleisenger MH,Kim YS

更新日期：2001-01-01 00:00:00

abstract：BACKGROUND & AIMS:The effects of short-term antigenic activation of mast cells on the gastrointestinal tract have been well characterized, but little is known about the effects of long-term exposure to antigen on mucosal mast cell reactivity. The aim of this study was to determine the effects of long-term antigen expos...

journal_title：Gastroenterology

authors： Rioux KP,Wallace JL

更新日期：1996-12-01 00:00:00

abstract：BACKGROUND AND AIMS:We set out to test the hypothesis that irritable bowel syndrome (IBS) is characterized by an augmented cellular immune response with enhanced production of proinflammatory cytokines. We further aimed to explore whether symptoms and psychiatric comorbidity in IBS are linked to the release of proinfla...

journal_title：Gastroenterology

authors： Liebregts T,Adam B,Bredack C,Röth A,Heinzel S,Lester S,Downie-Doyle S,Smith E,Drew P,Talley NJ,Holtmann G

更新日期：2007-03-01 00:00:00

abstract：:Liver disease with inclusions of copper was recognized among 30 rural workers with "vineyard sprayer's lung." The pathological findings were varied: focal or diffuse swelling and proliferation of Kupffer cells; histiocytic and sarcoid-like granulomata; fibrosis of variable degree in the perisinusoidal, portal, and sub...

journal_title：Gastroenterology

authors： Pimentel JC,Menezes AP

更新日期：1977-02-01 00:00:00

abstract：:Spontaneous remission of gastric acid hypersecretion in the Zollinger-Ellison syndrome occurs rarely. This study shows the development of gastric secretory mucosal atrophy resulting in achlorhydria and loss of pepsin secretion in a 63-year-old woman with the Zollinger-Ellison syndrome. Reduced secretion began soon aft...

journal_title：Gastroenterology

authors： Griffith JL,Cummings OW,Hirschowitz BI

更新日期：1991-07-01 00:00:00

abstract：BACKGROUND & AIMS:Prior thermal stress induces heat shock protein 70 (HSP70) expression in the pancreas and protects against secretagogue-induced pancreatitis, but it is not clear that this thermal stress-induced protection is actually mediated by HSP70 since thermal stress may have other, non-HSP related, effects. ME...

journal_title：Gastroenterology

authors： Bhagat L,Singh VP,Song AM,van Acker GJ,Agrawal S,Steer ML,Saluja AK

更新日期：2002-01-01 00:00:00

abstract：BACKGROUND & AIMS:We recently identified a polymorphism upstream of interleukin (IL)-28B to be associated with a 2-fold difference in sustained virologic response (SVR) rates to pegylated interferon-alfa and ribavirin therapy in a large cohort of treatment-naive, adherent patients with chronic hepatitis C virus genotyp...

journal_title：Gastroenterology

authors： Thompson AJ,Muir AJ,Sulkowski MS,Ge D,Fellay J,Shianna KV,Urban T,Afdhal NH,Jacobson IM,Esteban R,Poordad F,Lawitz EJ,McCone J,Shiffman ML,Galler GW,Lee WM,Reindollar R,King JW,Kwo PY,Ghalib RH,Freilich B,Nyberg

更新日期：2010-07-01 00:00:00

abstract：:This study was undertaken to try to solve the controversy about the influence of gastrointestinal contents on the genesis of bowel sounds, and to probe the respective importance of the various abdominal viscera. Eleven healthy volunteers were intubated by mouth with a multiple-lumen tube. Bowel sounds were recorded fo...

journal_title：Gastroenterology

authors： Politzer JP,Devroede G,Vasseur C,Gerard J,Thibault R

更新日期：1976-08-01 00:00:00

abstract：:A numerically important group of patients with functional gastrointestinal disorders have chronic symptoms that can be attributed to the gastroduodenal region. Based on the consensus opinion of an international panel of clinical investigators who reviewed the available evidence, a classification of the functional gast...

journal_title：Gastroenterology

authors： Tack J,Talley NJ,Camilleri M,Holtmann G,Hu P,Malagelada JR,Stanghellini V

更新日期：2006-04-01 00:00:00

abstract：BACKGROUND & AIMS:The enteric nervous system (ENS) coordinates essential intestinal functions through the concerted action of diverse enteric neurons (ENs). However, integrated molecular knowledge of EN subtypes is lacking. To compare human and mouse ENs, we transcriptionally profiled healthy ENS from adult humans and ...

journal_title：Gastroenterology

authors： May-Zhang AA,Tycksen E,Southard-Smith AN,Deal KK,Benthal JT,Buehler DP,Adam M,Simmons AJ,Monaghan JR,Matlock BK,Flaherty DK,Potter SS,Lau KS,Southard-Smith EM

更新日期：2020-09-30 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：BACKGROUND & AIMS:This longitudinal study investigated the interactions and roles of hepatitis B virus (HBV) genotypes, pre-S deletions, and core promoter and precore mutations on the progression of liver disease in hepatitis B e antigen (HBeAg)-negative patients. METHODS:A total of 141 HBeAg-negative patients without...

journal_title：Gastroenterology

authors： Chen CH,Hung CH,Lee CM,Hu TH,Wang JH,Wang JC,Lu SN,Changchien CS

更新日期：2007-11-01 00:00:00

abstract：:Twenty-two patients with Zollinger-Ellison syndrome were managed by a combined medical and surgical approach. Patients were treated initially with cimetidine or ranitidine. A laparotomy was performed to remove easily resectable tumors and to carry out a proximal gastric vagotomy. Tumors were found in 9 patients (41%) ...

journal_title：Gastroenterology

authors： Richardson CT,Peters MN,Feldman M,McClelland RN,Walsh JH,Cooper KA,Willeford G,Dickerman RM,Fordtran JS

更新日期：1985-08-01 00:00:00

abstract：BACKGROUND & AIMS:The mechanism by which sulindac causes regression of adenomas in patients with familial adenomatous polyposis (FAP) is unclear. Conflicting data on the drug's effects on colorectal epithelial proliferation have been reported. An alternative mechanism, and one not previously studied, is via induction o...

journal_title：Gastroenterology

authors： Pasricha PJ,Bedi A,O'Connor K,Rashid A,Akhtar AJ,Zahurak ML,Piantadosi S,Hamilton SR,Giardiello FM

更新日期：1995-09-01 00:00:00

abstract：BACKGROUND & AIMS:The Forkhead box gene, group O (FoxO) family of Forkhead transcription factors is phopsphorylated and inactivated by the phosphatidylinositol 3-kinase (PI3K)/AKT pathway and regulates a variety of cellular functions. Hepatic stellate cells (HSCs) play a crucial role in liver fibrosis. A fibrotic stimu...

journal_title：Gastroenterology

authors： Adachi M,Osawa Y,Uchinami H,Kitamura T,Accili D,Brenner DA

更新日期：2007-04-01 00:00:00