Absence of somatostatin receptors in human exocrine pancreatic adenocarcinomas.

abstract：BACKGROUND & AIMS:Mucosal cell-mediated immune response is considered the central event in the pathogenesis of celiac disease. In cultured intestinal explants from celiacs in remission, we have characterized the early stages of gliadin-induced immune activation. METHODS:Intestinal biopsy specimens (15 treated celiacs ...

journal_title：Gastroenterology

authors： Maiuri L,Picarelli A,Boirivant M,Coletta S,Mazzilli MC,De Vincenzi M,Londei M,Auricchio S

更新日期：1996-05-01 00:00:00

abstract：:The asialoglycoprotein receptor is present on the plasma membrane of rat hepatocytes and mediates the endocytosis of exogenous asialoglycoproteins. The intracellular locations of the receptor are incompletely defined, and whether the receptor is present on the canalicular membrane is controversial. To investigate thes...

journal_title：Gastroenterology

authors： Mizuno M,Brown WR,Vierling JM

更新日期：1984-10-01 00:00:00

abstract：BACKGROUND & AIMS:Although protein kinase C (PKC) alterations may play a role in the abnormal reactivity of cirrhotic rat aortas, its isoforms and cellular distribution are unknown. We therefore studied the protein expression and cellular distribution of PKC isoforms and their activation in cirrhotic rat aortas. METHO...

journal_title：Gastroenterology

authors： Tazi KA,Moreau R,Heller J,Poirel O,Lebrec D

更新日期：2000-07-01 00:00:00

abstract：BACKGROUND & AIMS:Elevated hepatic iron concentration may affect the response to antiviral therapy in chronic hepatitis C. This study explored the contribution of genetic hemochromatosis to iron accumulation in chronic hepatitis C. METHODS:HFE mutations (C282Y and H63D) were assessed in 184 patients with chronic hepat...

journal_title：Gastroenterology

authors： Kazemi-Shirazi L,Datz C,Maier-Dobersberger T,Kaserer K,Hackl F,Polli C,Steindl PE,Penner E,Ferenci P

更新日期：1999-01-01 00:00:00

abstract：BACKGROUND & AIMS:Persons infected with Helicobacter pylori show an enhanced meal-stimulated gastrin release compared with uninfected controls. The aim of this study was to determine in animal models whether this gastrin release could be related to chronic gastric inflammation, elevated luminal ammonia level, or a comb...

journal_title：Gastroenterology

authors： Dial EJ,Hall LR,Romero JJ,Lichtenberger LM

更新日期：1996-03-01 00:00:00

abstract：:The effects of hydroxypropylmethylcellulose on upper gastrointestinal transit, viscosity, and water flux were studied in six dogs fistulated at the proximal duodenum and/or mid-jejunum. Combinations of different grades of hydroxypropylmethylcellulose were prepared as 2% or 3.3% solutions to yield input viscosities of ...

journal_title：Gastroenterology

authors： Reppas C,Meyer JH,Sirois PJ,Dressman JB

更新日期：1991-05-01 00:00:00

abstract：:The major modes of presentation of patients with celiac disease are the classic diarrhea-predominant form and silent celiac disease. Those with silent celiac disease lack diarrhea, although they may present with manifestations of celiac disease that include an irritable bowel syndrome, anemia, osteoporosis, neurologic...

journal_title：Gastroenterology

authors： Green PH

更新日期：2005-04-01 00:00:00

abstract：BACKGROUND & AIMS:HuR is a RNA-binding factor whose expression is commonly upregulated in some human tumor types. We explored the molecular mechanism underlying HuR elevation and its role in gastric cancer tumorigenesis. METHODS:HuR expression and subcellular localization were determined by polymerase chain reaction, ...

journal_title：Gastroenterology

authors： Kang MJ,Ryu BK,Lee MG,Han J,Lee JH,Ha TK,Byun DS,Chae KS,Lee BH,Chun HS,Lee KY,Kim HJ,Chi SG

更新日期：2008-12-01 00:00:00

abstract：BACKGROUND & AIMS:Animal studies have shown that more than half of the dietary protein intake is used by the gut and that a large proportion of this utilization is devoted to (glyco-)protein synthesis. Recycling of these secretions may play a critical role in the regulation of overall dietary amino acid bioavailability...

journal_title：Gastroenterology

authors： Van Der Schoor SR,Reeds PJ,Stoll B,Henry JF,Rosenberger JR,Burrin DG,Van Goudoever JB

更新日期：2002-12-01 00:00:00

abstract：BACKGROUND & AIMS:Unlike adult antral cells, feline newborn antral cells are unable to contract in response to agonists in the absence of extracellular calcium or in response to exogenous inositol 1,4,5-triphosphate (IP3) after permeabilization. Changes in intracellular pathways that are associated with these differenc...

journal_title：Gastroenterology

authors： Hillemeier AC,Deutsch DE,Bitar KN

更新日期：1997-08-01 00:00:00

abstract：BACKGROUND & AIMS:Germline mutations of DNA mismatch repair genes are responsible for cancer susceptibility in hereditary nonpolyposis colorectal cancer (HNPCC) kindreds. Transforming growth factor beta type II receptor (TGF-beta RII) has been found to be somatically altered in HNPCC. The aim of this study was to clari...

journal_title：Gastroenterology

authors： Akiyama Y,Iwanaga R,Saitoh K,Shiba K,Ushio K,Ikeda E,Iwama T,Nomizu T,Yuasa Y

更新日期：1997-01-01 00:00:00

abstract：:Specimens of the sigmoid colon were obtained from male and female patients (n = 11) with carcinoma of the colon or rectum and studied immunohistochemically for vasoactive intestinal polypeptide-, somatostatin-, substance P-, neuropeptide Y-, calcitonin gene-related peptide-, met- and leu-enkephalin-, 5-hydroxytryptami...

journal_title：Gastroenterology

authors： Crowe R,Kamm MA,Burnstock G,Lennard-Jones JE

更新日期：1992-02-01 00:00:00

abstract：:Interleukin 2, a soluble product of activated T lymphocytes, is of central importance in the development of an appropriate T-cell immune response. Defects in the production of or response to this lymphokine have been described in a variety of immune deficiency and autoimmune states, thus suggesting a role in the patho...

journal_title：Gastroenterology

authors： Fiocchi C,Hilfiker ML,Youngman KR,Doerder NC,Finke JH

更新日期：1984-04-01 00:00:00

abstract：BACKGROUND & AIMS:This study attempts to elucidate a part of the genetic predisposition to the sporadic invasive ductal adenocarcinoma of the pancreas focusing on the genes implicated in the gene-environment interactions in carcinogenesis. METHODS:First, 227 single nucleotide polymorphisms (SNPs) of 46 genes were geno...

journal_title：Gastroenterology

authors： Ohnami S,Sato Y,Yoshimura K,Ohnami S,Sakamoto H,Aoki K,Ueno H,Ikeda M,Morizane C,Shimada K,Sakamoto Y,Esaki M,Saito I,Hirose H,Saito D,Sugimura H,Kosuge T,Okusaka T,Yoshida T

更新日期：2008-08-01 00:00:00

abstract：:The effects of bile salts on energy metabolism and acid secretion were investigated in the amphibian gastric mucosa in vitro. Serosal exposure to deoxycholate (0.2-2 mM), cholate (2-8 mM), or taurocholate (4-80 mM), at pH 7.4, decreased acid secretion depending on the concentration and time of exposure. Mucosal applic...

journal_title：Gastroenterology

authors： Núñez D,Chacín J

更新日期：1989-01-01 00:00:00

abstract：BACKGROUND & AIMS:Modulation of the host innate immune response is an attractive means of inhibiting hepatitis C virus (HCV) replication. Having previously determined that expression of the interferon-sensitive gene (ISG)15 protease USP18 is increased in the liver biopsy specimens of patients who do not respond to inte...

journal_title：Gastroenterology

authors： Randall G,Chen L,Panis M,Fischer AK,Lindenbach BD,Sun J,Heathcote J,Rice CM,Edwards AM,McGilvray ID

更新日期：2006-11-01 00:00:00

abstract：:To gain further insight on the mosaic expression of specific functional intestinal markers (such as sucrase-isomaltase) in postconfluent Caco-2 cells, a human colon cancer cell line unique in its property to differentiate in vitro into a mature enterocyte-like cell type, a comparative study was undertaken to examine t...

journal_title：Gastroenterology

authors： Vachon PH,Beaulieu JF

更新日期：1992-08-01 00:00:00

abstract：:We studied the appearance of specific secretory immunoglobulin A (IgA) antibody in bile after inoculation of live Giardia lamblia trophozoites into rat intestine. Serial bile specimens collected before and after inoculation of trophozoites were assayed for IgA antibodies by indirect immunofluorescence. Secretory IgA a...

journal_title：Gastroenterology

authors： Loftness TJ,Erlandsen SL,Wilson ID,Meyer EA

更新日期：1984-11-01 00:00:00

abstract：:We investigated whether intrapancreatic coagulation, with deposition of the fibrinogen-γ dimer (Fib-γD) and hypoxia, affect the severity of acute pancreatitis (AP) in mice. Pancreata of mice with AP induced by administration of cerulein or by L-arginine, or from patients with pancreatitis, had increased deposition of ...

journal_title：Gastroenterology

authors： Park MJ,Iyer S,Xue X,Bragazzi Cunha J,Gu S,Moons D,Pipe SW,Williams JA,Simeone DM,Shah YM,Omary MB

更新日期：2018-05-01 00:00:00

abstract：:The effect of substance P (SP) on the release of gastric somatostatinlike immunoreactivity (SLI) was studied. Substance P inhibited both basal SLI release and SLI release stimulated by gastric inhibitory polypeptide or 1-isoproterenol. This inhibitory action of SP was not blocked by atropine or hexamethonium, suggesti...

journal_title：Gastroenterology

authors： Kwok YN,McIntosh CH,Pederson RA,Brown JC

更新日期：1985-01-01 00:00:00

abstract：:Seven patients with persistent hyponatremia but normal or elevated serum arginine vasopressin levels and refractory ascites undergoing peritoneovenous shunting were studied in a Metabolic Unit on a 20 mEq sodium 1200 ml fluid-restricted diet to elucidate the mechanism of this response. The intravascular volume expansi...

journal_title：Gastroenterology

authors： Reznick RK,Langer B,Taylor BR,Seif S,Blendis LM

更新日期：1983-04-01 00:00:00

abstract：:Twenty-nine patients with esophageal symptoms and contraction abnormalities of the esophageal body completed a 6-wk, double-blind, placebo-controlled trial of trazodone (100-150 mg/day). Measures of esophageal and psychologic symptoms were completed at entry and at each follow-up visit. Esophageal manometry was repeat...

journal_title：Gastroenterology

authors： Clouse RE,Lustman PJ,Eckert TC,Ferney DM,Griffith LS

更新日期：1987-04-01 00:00:00

abstract：:Gastroenterologists frequently encounter pelvic floor disorders, which affect 10% to 15% of the population. The anorectum is a complex organ that collaborates with the pelvic floor muscles to preserve fecal continence and enable defecation. A careful clinical assessment is critical for the diagnosis and management of ...

journal_title：Gastroenterology

authors： Bharucha AE,Rao SS

更新日期：2014-01-01 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:Manganese (Mn) deposition could be responsible for the T(1)-weighted magnetic resonance signal hyperintensities observed in cirrhotic patients. These experiments were designed to assess the regional specificity of the Mn increases as well as their relationship to portal-systemic shunting or hepatobili...

journal_title：Gastroenterology

authors： Rose C,Butterworth RF,Zayed J,Normandin L,Todd K,Michalak A,Spahr L,Huet PM,Pomier-Layrargues G

更新日期：1999-09-01 00:00:00

abstract：BACKGROUND & AIMS:Intestinal epithelial cells release antigen-presenting vesicles (exosomes) bearing major histocompatibility complex class II/peptide complexes stimulating specific immune responses in vivo. To characterize further the role of human epithelial exosomes in antigen presentation, their capacity to load an...

journal_title：Gastroenterology

authors： Mallegol J,Van Niel G,Lebreton C,Lepelletier Y,Candalh C,Dugave C,Heath JK,Raposo G,Cerf-Bensussan N,Heyman M

更新日期：2007-05-01 00:00:00

abstract：:The target appearance of grey scale ultrasound is thought to be a characteristic sign of gastrointestinal wall thickening. It consists of a strong echogenic center surrounded by a sonolucent rim. In a prospective controlled study, the sensitivity and specificity of the ultrasonic B-scan for Crohn's disease were invest...

journal_title：Gastroenterology

authors： Sonnenberg A,Erckenbrecht J,Peter P,Niederau C

更新日期：1982-08-01 00:00:00

abstract：BACKGROUND & AIMS:Substance P, a member of the tachykinin family, is a prosecretory neuropeptide distributed widely throughout the enteric nervous system. Implicated in inflammatory states, its role in enterotoxigenic water and electrolyte secretion is unclear. We assessed the effect of substance P antagonists and neur...

journal_title：Gastroenterology

authors： Turvill JL,Connor P,Farthing MJ

更新日期：2000-10-01 00:00:00

abstract：BACKGROUND AND AIMS:The MDR1 gene encodes P-glycoprotein 170, an efflux transporter that is highly expressed in intestinal epithelial cells. The MDR1 exonic single nucleotide polymorphisms (SNPs) C3435T and G2677T have been shown to correlate with activity/expression of P-glycoprotein 170. METHODS:This was a case-cont...

journal_title：Gastroenterology

authors： Ho GT,Nimmo ER,Tenesa A,Fennell J,Drummond H,Mowat C,Arnott ID,Satsangi J

更新日期：2005-02-01 00:00:00

abstract：BACKGROUND & AIMS:Functional effects mediated via the 5-hydroxytryptamine3 receptor (5-HT3R) can be elicited from both extrinsic and intrinsic neurons innervating the gastrointestinal (GI) tract. Clinically, 5-HT3 antagonists are important in the treatment of emesis and have been used for the treatment of symptoms in f...

journal_title：Gastroenterology

authors： Glatzle J,Sternini C,Robin C,Zittel TT,Wong H,Reeve JR Jr,Raybould HE

更新日期：2002-07-01 00:00:00