Epigenetic and genetic alterations in duodenal carcinomas are distinct from biliary and ampullary carcinomas.

abstract：:Hepatic plasma flow was assessed with sorbitol (hepatic extraction = 0.96) at steady state. After infusion of 50 mg/min for 3 h, total and renal sorbitol clearances were calculated, and the extrarenal clearance was obtained by taking the difference between the two. In normal volunteers, the mean (+/- SD) extrarenal so...

journal_title：Gastroenterology

authors： Zeeh J,Lange H,Bosch J,Pohl S,Loesgen H,Eggers R,Navasa M,Chesta J,Bircher J

更新日期：1988-09-01 00:00:00

abstract：BACKGROUND & AIMS:Altered gut microbiota is implicated in development of colorectal cancer (CRC). Some intestinal bacteria have been reported to potentiate intestinal carcinogenesis by producing genotoxins, altering the immune response and intestinal microenvironment, and activating oncogenic signaling pathways. We inv...

journal_title：Gastroenterology

authors： Wong SH,Zhao L,Zhang X,Nakatsu G,Han J,Xu W,Xiao X,Kwong TNY,Tsoi H,Wu WKK,Zeng B,Chan FKL,Sung JJY,Wei H,Yu J

更新日期：2017-12-01 00:00:00

abstract：:Colon motility and myoelectric slow wave activity were compared in 10 patients with progressive systemic sclerosis and 18 controls. Recordings were made in the rectosigmoid and rectum, 25-30 cm and 10-15 cm from the anal margin, respectively, during two 4-min baselines and in response to stepwise distention of the col...

journal_title：Gastroenterology

authors： Whitehead WE,Taitelbaum G,Wigley FM,Schuster MM

更新日期：1989-02-01 00:00:00

abstract：:We have studied the effect of short-term high-dose prednisone therapy on aminotransferase levels and hepatitis B virus markers in 6 patients with chronic type B hepatitis. All showed a decrease in amino transferase levels during treatment. This was followed by a transient increase in aminotransferase levels after pred...

journal_title：Gastroenterology

authors： Rakela J,Redeker AG,Weliky B

更新日期：1983-05-01 00:00:00

abstract：BACKGROUND & AIMS:The emergence of oxyntic atrophy and metaplastic cell lineages in response to chronic Helicobacter pylori infection predisposes to gastric neoplasia. We have described a trefoil factor family 2 (TFF2; spasmolytic polypeptide) expressing metaplasia (SPEM) associated with gastric neoplasia in both roden...

journal_title：Gastroenterology

authors： Nomura S,Baxter T,Yamaguchi H,Leys C,Vartapetian AB,Fox JG,Lee JR,Wang TC,Goldenring JR

更新日期：2004-08-01 00:00:00

abstract：BACKGROUND & AIMS:Viral genotypes have been associated with different severity and outcome of hepatitis C virus (HCV)-related liver disease. The aim of this study was to determine whether HCV genotypes may influence the cirrhosis-related risk of the development of hepatocellular carcinoma (HCC). METHODS:Three groups o...

journal_title：Gastroenterology

authors： Silini E,Bottelli R,Asti M,Bruno S,Candusso ME,Brambilla S,Bono F,Iamoni G,Tinelli C,Mondelli MU,Ideo G

更新日期：1996-07-01 00:00:00

abstract：BACKGROUND AND AIMS:Interleukin (IL)-15 delivers signals that drive chronic inflammation in several diseases, including celiac disease. Smad3-transforming growth factor-beta (TGF-beta) signaling is instrumental to counteract proinflammatory signals and maintain immune homeostasis. Our goal has been to investigate why t...

journal_title：Gastroenterology

authors： Benahmed M,Meresse B,Arnulf B,Barbe U,Mention JJ,Verkarre V,Allez M,Cellier C,Hermine O,Cerf-Bensussan N

更新日期：2007-03-01 00:00:00

abstract：:Women are underrepresented in gastroenterology. A questionnaire examined the training and career experiences of female members of the Canadian Association for Gastroenterology (CAG) and their male counterparts. A pretested questionnaire was mailed to the 50 female CAG and 100 age-matched male members. Descriptive anal...

journal_title：Gastroenterology

authors： Heathcote J,Cauch-Dudek K,Rhyne D

更新日期：1997-08-01 00:00:00

abstract：:Adverse reactions to food that result in gastrointestinal symptoms are common in the general population; while only a minority of such individuals will have symptoms due to immunologic reactions to foods, gastrointestinal food allergies do exist in both children and adults. These immune reactions are mediated by immun...

journal_title：Gastroenterology

authors： Bischoff S,Crowe SE

更新日期：2005-04-01 00:00:00

abstract：:Boron may be beneficial for bone growth and maintenance, central nervous system function, and the inflammatory response, and silicon may be beneficial for bone maintenance and wound healing. Fluoride is not an essential element but amounts provided by contamination may be beneficial for bone strength. Fluoride toxicit...

journal_title：Gastroenterology

authors： Nielsen FH

更新日期：2009-11-01 00:00:00

abstract：:Ethanol (10 or 15% in the drinking water) was found to increase the amount of collagen in the livers of rats receiving a cirrhogenic diet. This effect of ethanol was most striking in the animals receiving 10% ethanol. Ethanol lowered the amount of labeled proline incorporated into hydroxyproline and, therefore, into c...

journal_title：Gastroenterology

authors： Henley KS,Laughrey EG,Appelman HD,Flecker K

更新日期：1977-03-01 00:00:00

abstract：:Because the esophagus is easily accessible with endoscopy, early diagnosis and curative treatment of esophageal cancer is possible. However, diagnosis is often delayed because symptoms are not specific during early stages of tumor development. The onset of dysphagia is associated with advanced disease, which has a sur...

journal_title：Gastroenterology

authors： di Pietro M,Canto MI,Fitzgerald RC

更新日期：2018-01-01 00:00:00

abstract：BACKGROUND & AIMS:The US Medicare indications for intestinal transplantation are based on failure of home parenteral nutrition. The American Society of Transplantation also includes patients at high risk of death from their primary disease or with high morbidity intestinal failure. A 3-year prospective study evaluated ...

journal_title：Gastroenterology

authors： Pironi L,Forbes A,Joly F,Colomb V,Lyszkowska M,Van Gossum A,Baxter J,Thul P,Hébuterne X,Gambarara M,Gottrand F,Moreno Villares JM,Messing B,Goulet O,Staun M,Home Artificial Nutrition Working Group of the European Society fo

更新日期：2008-07-01 00:00:00

abstract：DESCRIPTION:Thanks to ready access to hydrogen breath testing, small intestinal bacterial overgrowth (SIBO) is now commonly diagnosed among individuals presenting with a variety of gastrointestinal and even nongastrointestinal symptoms and is increasingly implicated in lay press and media in the causation of a diverse ...

journal_title：Gastroenterology

authors： Quigley EMM,Murray JA,Pimentel M

更新日期：2020-10-01 00:00:00

abstract：BACKGROUND & AIMS:Linaclotide is a minimally absorbed peptide agonist of the guanylate cyclase-C receptor that stimulates intestinal fluid secretion and transit and reduces pain in animal models. We assessed the safety and efficacy of a range of linaclotide doses in patients with chronic constipation. METHODS:We perfo...

journal_title：Gastroenterology

authors： Lembo AJ,Kurtz CB,Macdougall JE,Lavins BJ,Currie MG,Fitch DA,Jeglinski BI,Johnston JM

更新日期：2010-03-01 00:00:00

abstract：:Pharmacologic and surgical procedures were used to define the neurohumoral pathways that mediate stress-induced changes in gastrointestinal transit in the rat. Physical restraint (a validated stressor) resulted in significant inhibition of gastric emptying and small bowel transit but in stimulation of large bowel tran...

journal_title：Gastroenterology

authors： Lenz HJ

更新日期：1989-07-01 00:00:00

abstract：BACKGROUND:The molecular basis of colorectal dysplasia and carcinoma arising in ulcerative colitis is poorly understood. Loss of heterozygosity involving the tumor suppressor gene p53 occurs frequently in neoplastic ulcerative colitis lesions. Point mutation affecting p53 is associated with loss of heterozygosity in ot...

journal_title：Gastroenterology

authors： Yin J,Harpaz N,Tong Y,Huang Y,Laurin J,Greenwald BD,Hontanosas M,Newkirk C,Meltzer SJ

更新日期：1993-06-01 00:00:00

abstract：:The conventional method of ascitic fluid culture detects bacteria in only 42%-65% of patients who have neutrocytic ascites and suspected spontaneous bacterial peritonitis. In this study ascitic fluid was cultured by the conventional method as well as by a new method consisting of bedside inoculation of blood culture b...

journal_title：Gastroenterology

authors： Runyon BA,Canawati HN,Akriviadis EA

更新日期：1988-11-01 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：BACKGROUND & AIMS:Approximately half of the families that fulfill Amsterdam criteria for Lynch syndrome or hereditary nonpolyposis colorectal cancer (HNPCC) do not have evidence of the germline mismatch repair gene mutations that define this syndrome and result in microsatellite instability (MSI). The carcinogenic path...

journal_title：Gastroenterology

authors： Goel A,Xicola RM,Nguyen TP,Doyle BJ,Sohn VR,Bandipalliam P,Rozek LS,Reyes J,Cordero C,Balaguer F,Castells A,Jover R,Andreu M,Syngal S,Boland CR,Llor X

更新日期：2010-05-01 00:00:00

abstract：:The noninvasive assessment of intestinal permeability in humans has a 20-year history. Because the tests are increasingly used in clinical practice and research and because there is much controversy, we reviewed the literature and outlined the potential and possible shortcomings of these procedures. Data was obtained ...

journal_title：Gastroenterology

authors： Bjarnason I,MacPherson A,Hollander D

更新日期：1995-05-01 00:00:00

abstract：:Serum amino acid levels were determined in 29 patients with severe chronic active liver disease before, during, and after administration of prednisone or placebo and in 22 healthy controls. The pretreatment molar ratio of amino acids was less in patients than in controls (p less than 0.001) and was lower in those with...

journal_title：Gastroenterology

authors： McCullough AJ,Czaja AJ,Jones JD,Go VL

更新日期：1981-10-01 00:00:00

abstract：:Ileal Na+-dependent bile acid transport was quantified in vitro as the uptake of 3H-taurocholate into brush-border membrane vesicles. Vesicles were prepared from ileal biopsies of 158 patients placed in 10 diagnostic categories. Active bile acid transport (expressed as picomoles taurocholate uptake per milligram brush...

journal_title：Gastroenterology

authors： van Tilburg AJ,de Rooij FW,van Blankenstein M,van den Berg JW,Bosman-Jacobs EP

更新日期：1990-01-01 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：BACKGROUND:Calcitonin gene-related peptide (CGRP) is a 37-amino acid peptide localized to primary sensory afferent nerves in the rat stomach. The actions of CGRP in regulating antral neuroendocrine function were examined in vitro through the use of capsaicin, an agent capable of evoking neuropeptide release from periph...

journal_title：Gastroenterology

authors： Ren J,Young RL,Lassiter DC,Harty RF

更新日期：1993-02-01 00:00:00

abstract：:The interrelationship of the effects of antacids and of rising intragastric pH on serum gastrin levels was examined by comparing the effect of three antacids (Mg(OH)2Al(OH)3, and CaCO3), and their nonbuffering chloride compounds (MgCl2, AlCl3, and CaCl2), on serum gastrin and intragastric pH in duodenal ulcer patients...

journal_title：Gastroenterology

authors： Feurle GE

更新日期：1975-01-01 00:00:00

abstract：:Many women report that bowel symptoms are associated with menstruation, but neither the prevalence of these complaints nor their physiological basis is known. This study aimed to estimate prevalence, to determine whether patients with irritable bowel syndrome are more likely to make such complaints, and to determine w...

journal_title：Gastroenterology

authors： Whitehead WE,Cheskin LJ,Heller BR,Robinson JC,Crowell MD,Benjamin C,Schuster MM

更新日期：1990-06-01 00:00:00

abstract：BACKGROUND & AIMS:The signal transducers and activators of transcription (STATs) are cytoplasmic transcription factors mediating acute-phase response (APR) of the human angiotensinogen (hAGT) gene in hepatocytes. The mechanisms of how STAT3 activates target genes are unknown. Here we analyzed the biochemistry of STAT3 ...

journal_title：Gastroenterology

authors： Ray S,Boldogh I,Brasier AR

更新日期：2005-11-01 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：: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