In vitro studies of ulcerative ileojejunitis.

abstract：:In fed rats, acid production was estimated to be 7 X 10(8) molecules of HCl per cell per sec or 5 X 10(5) molecules per sec per mu2 of secretory surface. In stimulated frog mucosa the corresponding values were 3 X 10(8) molecules of HCl per cell per sec 2 X 10(5) molecules per sec per mu2 or secretory surface. The gen...

journal_title：Gastroenterology

authors： Helander HF

更新日期：1977-10-01 00:00:00

abstract：BACKGROUND & AIMS:Long-term data on the risk of colorectal cancer according to dose, duration, and consistency of aspirin therapy are limited. METHODS:We conducted a prospective study of 47,363 male health professionals who were ages 40-75 years at enrollment in 1986. Biennially, we collected data on aspirin use, othe...

journal_title：Gastroenterology

authors： Chan AT,Giovannucci EL,Meyerhardt JA,Schernhammer ES,Wu K,Fuchs CS

更新日期：2008-01-01 00:00:00

abstract：:Enteroglucagon-containing cells have been maintained in short-term culture, and the morphologic characteristics of these cells and their response to selected agents have been determined. After 48 h in culture the ultrastructural appearance of the enteroglucagon-immunoreactive cells showed evidence of polarization with...

journal_title：Gastroenterology

authors： Buchan AM,Barber DL,Gregor M,Soll AH

更新日期：1987-10-01 00:00:00

abstract：BACKGROUND/AIMS:Conventional flow-cytometric analysis of colorectal tumor DNA content includes both tumor and stromal cell DNA. To improve the method, we evaluated the DNA content of purified epithelial cells using the crypt-isolation technique. METHODS:Normal and neoplastic crypts were isolated from fresh resected co...

journal_title：Gastroenterology

authors： Nakamura S,Goto J,Kitayama M,Kino I

更新日期：1994-01-01 00:00:00

abstract：:Hepatic cytochrome P450 levels in male rats fall after portal vein ligation, a procedure that produces total hepatic bypass of portal blood. The present study was undertaken to examine whether changes in sex hormone metabolism could account for these lowered cytochrome P450 levels. Portal vein ligation resulted in tes...

journal_title：Gastroenterology

authors： Farrell GC,Koltai A,Zaluzny L,Murray M

更新日期：1986-02-01 00:00:00

abstract：:In order to study the natural history of fundic gland polyposis, 23 patients with familial adenomatosis coli/Gardner's syndrome were examined over a follow-up period ranging from 17 mo to 13 yr (average 6 yr). Examinations included gastric radiography and endoscopy with biopsy. Fundic gland polyps were found in 10 ind...

journal_title：Gastroenterology

authors： Iida M,Yao T,Itoh H,Watanabe H,Kohrogi N,Shigematsu A,Iwashita A,Fujishima M

更新日期：1985-11-01 00:00:00

abstract：:Cholinergic innervation in the aganglionic bowel of the piebald lethal mouse model of Hirschsprung's disease was investigated by analysis of muscarinic acetylcholine receptors before and after administration of hexamethonium. After hexamethonium administration in the normal rectum, the maximum specific binding (Bmax) ...

journal_title：Gastroenterology

authors： Ueki S,Okamoto E,Kuwata K,Toyosaka A,Nagai K

更新日期：1985-06-01 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：:Corticotropin-releasing factor (CRF) administered into the lateral cerebral ventricle significantly inhibited gastric emptying and small bowel transit, but most markedly increased large bowel transit in a dose-related fashion in freely moving rats. Inhibition of gastric emptying induced by central administration of CR...

journal_title：Gastroenterology

authors： Lenz HJ,Burlage M,Raedler A,Greten H

更新日期：1988-03-01 00:00:00

abstract：:Gallbladder stasis has been implicated in gallstone formation. Gallbladder filling and emptying were quantitated by computer-assisted cholescintigraphy in 41 normal subjects versus 26 patients with gallstones. Gallbladder contraction was induced by low-dose (1.2 U/kg . h) cholecystokinin infusion. Gallstone patients e...

journal_title：Gastroenterology

authors： Pomeranz IS,Shaffer EA

更新日期：1985-03-01 00:00:00

abstract：:The human lower esophageal sphincter (LES) is believed to be innervated by nonadrenergic, noncholinergic inhibitory nerves, and cholinergic excitatory nerves. In idiopathic achalasia, LES relaxation is abnormal because the inhibitory nerves to the sphincter are either absent or functionally impaired. The integrity of ...

journal_title：Gastroenterology

authors： Holloway RH,Dodds WJ,Helm JF,Hogan WJ,Dent J,Arndorfer RC

更新日期：1986-04-01 00:00:00

abstract：BACKGROUND & AIMS:Improving methods for early detection of gastric cancer could reduce mortality. Measurements of serum pepsinogen levels have been used for screening in Japan without satisfactory levels of sensitivity or specificity. Trefoil factor family (TFF) proteins (TFF1, TFF2, and TFF3) are small and stable mole...

journal_title：Gastroenterology

authors： Aikou S,Ohmoto Y,Gunji T,Matsuhashi N,Ohtsu H,Miura H,Kubota K,Yamagata Y,Seto Y,Nakajima A,Goldenring JR,Kaminishi M,Nomura S

更新日期：2011-09-01 00:00:00

abstract：BACKGROUND & AIMS:In experimental animals, the indigenous microbiota modulates mucosal immunity. In humans, such direct evidence is scarce. The aim of this study was to examine the effect of intestinal bacteria on the local immunoglobulin (Ig) response. METHODS:The numbers of IgA-, IgM-, and IgG-producing immunocytes ...

journal_title：Gastroenterology

authors： Kett K,Baklien K,Bakken A,Kral JG,Fausa O,Brandtzaeg P

更新日期：1995-09-01 00:00:00

abstract：BACKGROUND/AIMS:We have identified several clones specifically expressed during malignant cell proliferation by screening a complementary DNA library constructed from a human primary liver cancer with subtractive probes. One clone was identified as the glutamine synthetase (GS) transcript. Its expression is tightly reg...

journal_title：Gastroenterology

authors： Christa L,Simon MT,Flinois JP,Gebhardt R,Brechot C,Lasserre C

更新日期：1994-05-01 00:00:00

abstract：:The prevalence of marginal zinc nutriture in several populations of people in this country and the lack of reports on the effect of marginal zinc nutriture in experimental animals prompted us to look at pancreatic acinar cell function and morphology in rats fed a zinc-deficient diet ad libitum: 4 and 50 ppm zinc-suppl...

journal_title：Gastroenterology

authors： Perez-Jimenez F,Bockman DE,Singh M

更新日期：1986-04-01 00:00:00

abstract：:Median nerve somatosensory evoked potentials were recorded from 33 patients with various degrees of hepatic failure and from 10 age-matched controls. Within 20 ms poststimulation, one negative peak (N13) could be recorded from the middle of the back of the patient's neck at the C2 vertebral level. Within 150 ms, three...

journal_title：Gastroenterology

authors： Yang SS,Chu NS,Liaw YF

更新日期：1985-09-01 00:00:00

abstract：:Rising trends in the incidence and mortality of early-onset CRC in those who are ages less than 50 years have been well-established. These trends have spurred intense investigation focused on elucidating the epidemiology and characteristics of early-onset CRC, as well on identifying strategies for early detection and ...

journal_title：Gastroenterology

authors： Burnett-Hartman AN,Lee JK,Demb J,Gupta S

更新日期：2021-01-05 00:00:00

abstract：BACKGROUND & AIMS:Krüppel-like factor 5 (KLF5) is a transcription factor that promotes proliferation, is highly expressed in dividing crypt cells of the gastrointestinal epithelium, and is induced by various stress stimuli. We sought to determine the role of KLF5 in colonic inflammation and recovery by studying mice wi...

journal_title：Gastroenterology

authors： McConnell BB,Kim SS,Bialkowska AB,Yu K,Sitaraman SV,Yang VW

更新日期：2011-02-01 00:00:00

abstract：BACKGROUND & AIMS:Hydrophobic bile acids have been implicated in the pathogenesis of cholestatic liver injury. The hypothesis that hydrophobic bile acid toxicity is mediated by oxidant stress in an in vivo rat model was tested in this study. METHODS:A dose-response study of bolus intravenous (i.v.) taurochenodeoxychol...

journal_title：Gastroenterology

authors： Sokol RJ,McKim JM Jr,Goff MC,Ruyle SZ,Devereaux MW,Han D,Packer L,Everson G

更新日期：1998-01-01 00:00:00

abstract：BACKGROUND & AIMS:There have been conflicting results on a cell of origin in pancreatic regeneration. These discrepancies predominantly stem from lack of specific markers for the pancreatic precursors/stem cells, as well as differences in the targeted cells and severity of tissue injury in the experimental models so fa...

journal_title：Gastroenterology

authors： Criscimanna A,Speicher JA,Houshmand G,Shiota C,Prasadan K,Ji B,Logsdon CD,Gittes GK,Esni F

更新日期：2011-10-01 00:00:00

abstract：BACKGROUND & AIMS:We followed patients with ongoing hepatitis C virus (HCV) exposure following control of an initial HCV infection to determine whether primary control conferred protection against future persistent infections. METHODS:Twenty-two active injection drug users (IDU) who had cleared a primary hepatitis C v...

journal_title：Gastroenterology

authors： Osburn WO,Fisher BE,Dowd KA,Urban G,Liu L,Ray SC,Thomas DL,Cox AL

更新日期：2010-01-01 00:00:00

abstract：BACKGROUND & AIMS:The mechanisms by which hepatitis C virus (HCV) induces liver fibrosis are unknown. Hepatocytes secrete HCV proteins, which may interact with hepatic stellate cells (HSCs). Our aims were to investigate whether HCV proteins induce fibrogenic effects on HSCs. METHODS & RESULTS:Human-activated HSCs expr...

journal_title：Gastroenterology

authors： Bataller R,Paik YH,Lindquist JN,Lemasters JJ,Brenner DA

更新日期：2004-02-01 00:00:00

abstract：:We have prospectively studied changes in serum postprandial cholylglycine (CG) concentration during 297 pregnancies. We found an increase in CG concentration from 0.3 mumol/L at 15 weeks' pregnancy to 0.6 mumol/L at 40 weeks' pregnancy. Although this increase was statistically significant (p less than 0.005), median c...

journal_title：Gastroenterology

authors： Lunzer M,Barnes P,Byth K,O'Halloran M

更新日期：1986-10-01 00:00:00

abstract：:In dogs provided with Heidenhain pouch and gastric fistula, we studied the effect of near-total excision of the fundic mucosa of the main stomach on acid secretion and gastrin release. Fundic mucosal excision abolished the mean response of the gastric fistula and reduced its maximal response to pentagastrin and to his...

journal_title：Gastroenterology

authors： Soon-Shiong P,Debas HT

更新日期：1980-11-01 00:00:00

abstract：:Chronic graft-vs.-host disease occurs in 30%-50% of long-term survivors of allogeneic bone marrow grafts, and may eventuate in cirrhosis. In this study, a young woman, originally diagnosed as having acute myelogenous leukemia, underwent successful bone marrow transplantation but later developed graft-vs.-host disease-...

journal_title：Gastroenterology

authors： Rhodes DF,Lee WM,Wingard JR,Pavy MD,Santos GW,Shaw BW,Wood RP,Sorrell MF,Markin RS

更新日期：1990-08-01 00:00:00

abstract：:An in vitro fecal incubation system was used to demonstrate how lactulose influences ammonia metabolism in the colon. Lactulose and other fermentable substrates (glucose, mannitol, and sorbitol), pH and organic acid were varied independently so that their different effects could be determined. Fermentable substrate ca...

journal_title：Gastroenterology

authors： Vince A,Killingley M,Wrong OM

更新日期：1978-03-01 00:00:00

abstract：:The absorption of an intact oligopeptide was investigated in rat and dog small intestine using the metabolically stable somatostatin analogue SMS 201-995. The synthetic octapeptide was coupled to 4-nitrobenzo-2-oxa-1,3-diazol to have a fluorescent label for the direct visualization. The 4-nitrobenzo-2-oxa-1,3-diazol-l...

journal_title：Gastroenterology

authors： Fricker G,Bruns C,Munzer J,Briner U,Albert R,Kissel T,Vonderscher J

更新日期：1991-06-01 00:00:00

abstract：:Sweden has one of the highest incidences of gallstone disease in the Western world. It is therefore important to characterize the mechanisms responsible for the formation of cholesterol gallstones in this population. In the present study, we have determined the kinetics of the two primary bile acids, cholic acid and c...

journal_title：Gastroenterology

authors： Nilsell K,Angelin B,Liljeqvist L,Einarsson K

更新日期：1985-08-01 00:00:00

abstract：BACKGROUND & AIMS:A Western-style diet, which is high in fat and sugar, can cause significant dyslipidemia and nonalcoholic fatty liver disease; the diet has an especially strong effect in women, regardless of total calorie intake. Dietary supplementation with beneficial microbes might reduce the detrimental effects of...

journal_title：Gastroenterology

authors： Naudin CR,Maner-Smith K,Owens JA,Wynn GM,Robinson BS,Matthews JD,Reedy AR,Luo L,Wolfarth AA,Darby TM,Ortlund EA,Jones RM

更新日期：2020-08-01 00:00:00

abstract：:In rats injected with pentagastrin (2-500 micrograms/kg subcutaneously) in saline, peak gastric acid responses occurred after 31 (30-min output) or 63 micrograms/kg (60-min output). Rats were fed or fasted for 48 h and injected every 8 h with 63, 250, or 1000 micrograms/kg pentagastrin. Fasting decreased body weight (...

journal_title：Gastroenterology

authors： Solomon TE

更新日期：1986-07-01 00:00:00