Verification of the lactase site of rat lactase-phlorizin hydrolase by site-directed mutagenesis.

abstract：:The effect of secretin5-27 and four substituted analogues (9 Gln-secretin5-27, 15-Asn-secretin5-27, 9-Gln-15-Asn-secretin5-27, and 15-Lys-secretin5-27) on pancreatic secretion in the rat and guinea pig was examined. Secretin5-27 retained significant pancreatic secretory activity in both species. Its efficacy (intrinsi...

journal_title：Gastroenterology

authors： Makhlouf GM,Bodanszky M,Fink ML,Schebalin M

更新日期：1978-08-01 00:00:00

abstract：:Thyrotropin-releasing hormone transiently increased resting tension and spontaneous contraction amplitude more potently in longitudinal muscle than in circular muscle. The frequency of the contraction did not change. Excitation was enhanced by eserine, and blocked by atropine and tetrodotoxin; this excitation was, the...

journal_title：Gastroenterology

authors： Oouchi M,Ichikawa S

更新日期：1985-05-01 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：:To study the peripheral effect of somatostatin in dogs a tiny Silastic catheter was implanted in an almost terminal branch of the mesenteric artery, providing blood supply to a jejunal segment of 5-10 cm. In 4 dogs one catheter was implanted, perfusing a small bowel segment about 60 cm below the angle of Treitz; in 3 ...

journal_title：Gastroenterology

authors： Hostein J,Janssens J,Vantrappen G,Peeters TL,Vandeweerd M,Leman G

更新日期：1984-11-01 00:00:00

abstract：:The histological and immunohistochemical characteristics of the liver in 44 children (28 boys, 16 girls) with extrahepatic biliary atresia at different stages of the clinical course were studied. Thirty-four wedge liver biopsy specimens taken during Kasai operations (25 specimens) and relaparotomy (9 specimens) and 20...

journal_title：Gastroenterology

authors： Nietgen GW,Vacanti JP,Perez-Atayde AR

更新日期：1992-06-01 00:00:00

abstract：BACKGROUND & AIMS:Hereditary diffuse gastric cancer (HDGC) families carry CDH1 heterozygous germline mutations; their tumors acquire complete CDH1 inactivation through "2nd-hit" mechanisms. Most frequently, this occurs via promoter hypermethylation (epigenetic modification), and less frequently via CDH1 mutations and l...

journal_title：Gastroenterology

authors： Oliveira C,Sousa S,Pinheiro H,Karam R,Bordeira-Carriço R,Senz J,Kaurah P,Carvalho J,Pereira R,Gusmão L,Wen X,Cipriano MA,Yokota J,Carneiro F,Huntsman D,Seruca R

更新日期：2009-06-01 00:00:00

abstract：BACKGROUND & AIMS:IKBL gene lies telomeric of the tumor necrosis factor cluster in the central major histocompatibility complex and carries a structural polymorphism at position +738. In the Spanish white population, we found the IKBL+738(C) allele in haplotypes carrying either HLA-DRB1(*)1501 or -DRB1(*)0103. Because ...

journal_title：Gastroenterology

authors： de la Concha EG,Fernandez-Arquero M,Lopez-Nava G,Martin E,Allcock RJ,Conejero L,Paredes JG,Diaz-Rubio M

更新日期：2000-12-01 00:00:00

abstract：:Topical 20% benzocaine (Hurricaine, Beutlich, Inc., Niles, Ill.) spray is frequently used for oral anesthesia before upper endoscopy. Side effects attributed to this agent are exceedingly rare. The author reports one of these rare complications, drug-induced methemoglobinemia, in a patient with methemoglobin reductase...

journal_title：Gastroenterology

authors： Collins JF

更新日期：1990-01-01 00:00:00

abstract：:Approximately 10% of persons 70 years old or older are now diagnosed with pancreatic cysts, but it is not clear which ones require additional analysis, interventions, or follow-up. Primary care doctors rely on gastroenterologists for direction because no one wants to miss a diagnosis of pancreatic cancer, but meanwhil...

journal_title：Gastroenterology

authors： Farrell JJ,Fernández-del Castillo C

更新日期：2013-06-01 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：:Hepatitis C virus (HCV) is the agent responsible for posttransfusion hepatitis. The incidence, timing, and clinical course of HCV positive hepatitis in liver transplant recipients are unknown. Three hundred and seventeen donor-recipient liver transplant pairs were grouped on the basis of their pretransplant HCV antibo...

journal_title：Gastroenterology

authors： Shah G,Demetris AJ,Gavaler JS,Lewis JH,Todo S,Starzl TE,Van Thiel DH

更新日期：1992-07-01 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：:Acute, acute recurrent, and chronic forms of pancreatitis have been increasingly diagnosed in children in the past 2 decades. Risk factors in the pediatric group are broad and appear to be strikingly different compared with the adult cohort. However, the disease burden and impact on quality of life are surprisingly si...

journal_title：Gastroenterology

authors： Uc A,Husain SZ

更新日期：2019-05-01 00:00:00

abstract：:A patient with post-traumatic seizure disorder developed lymphadenopathy, exfoliative dermatitis, and hepatic failure while on diphenylhydantoin therapy and died in hepatic coma. Autopsy disclosed massive hepatic necrosis. The clinical and pathological pictures are similar to the six previously reported cases of diphe...

journal_title：Gastroenterology

authors： Lee TJ,Carney CN,Lapis JL,Higgins T,Fallon HJ

更新日期：1976-03-01 00:00:00

abstract：BACKGROUND & AIMS:MicroRNAs (miRNAs) are non-coding RNAs that regulate gene expression. The tumor suppressor miRNA let-7a has been reported to be inhibited posttranscriptionally in embryonic stem cells and in human cancers. Microtubule-associated kinase DCAMKL-1 is a putative intestinal stem cell marker that is express...

journal_title：Gastroenterology

authors： Sureban SM,May R,Ramalingam S,Subramaniam D,Natarajan G,Anant S,Houchen CW

更新日期：2009-08-01 00:00:00

abstract：BACKGROUND & AIMS:Fish is a rich source of n-3 polyunsaturated fatty acids (PUFAs), such as eicosapentaenoic acid (EPA), docosapentaenoic acid (DPA), and docosahexaenoic acid (DHA). Although consumption of fish and n-3 PUFA has been reported to protect against the development of some types of cancer, little is known ab...

journal_title：Gastroenterology

authors： Sawada N,Inoue M,Iwasaki M,Sasazuki S,Shimazu T,Yamaji T,Takachi R,Tanaka Y,Mizokami M,Tsugane S,Japan Public Health Center-Based Prospective Study Group.

更新日期：2012-06-01 00:00:00

abstract：BACKGROUND & AIMS:In the absence of pathognomonic markers for Crohn's disease (CD) and ulcerative colitis (UC), the diagnosis of inflammatory bowel disease depends on a compendium of clinical, radiographic, endoscopic, and histologic criteria that bears imperfect specificity to the individual disorders. In 10% of cases...

journal_title：Gastroenterology

authors： Joossens S,Reinisch W,Vermeire S,Sendid B,Poulain D,Peeters M,Geboes K,Bossuyt X,Vandewalle P,Oberhuber G,Vogelsang H,Rutgeerts P,Colombel JF

更新日期：2002-05-01 00:00:00

abstract：:Flow cytometry was used to detect the presence and assess the distribution of aneuploid cell populations in eight proctocolectomy specimens from patients with ulcerative colitis. Mucosal samples were taken according to a systematic protocol for flow cytometry, the surrounding tissue was examined histologically, and th...

journal_title：Gastroenterology

authors： Levine DS,Rabinovitch PS,Haggitt RC,Blount PL,Dean PJ,Rubin CE,Reid BJ

更新日期：1991-11-01 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：:Helicobacter pylori has recently been implicated as an etiologic agent of gastroduodenal disorders. Comparing the antibody to H. pylori in the sera of patients with that of normal controls by Western blot analysis, a unique antibody was detected in the sera of patients, which reacted with the 25-kilodalton antigen of ...

journal_title：Gastroenterology

authors： Sugiyama T,Imai K,Yoshida H,Takayama Y,Yabana T,Yokota K,Oguma K,Yachi A

更新日期：1991-07-01 00:00:00

abstract：:Gastric ulcers have been thought to occur only in the pyloric gland area. However, endoscopic examinations using the Congo red test showed that 18 of the ulcers examined (7.8%) were surrounded by an acid-secreting area, and so were in the fundic gland area. Histological examination of specimens obtained by gastrectomy...

journal_title：Gastroenterology

authors： Tatsuta M,Okuda S

更新日期：1976-07-01 00:00:00

abstract：BACKGROUND:Growth failure frequently complicates the clinical course of inflammatory bowel disease (IBD) in children. This study was designed to investigate the role of disease activity versus steroid therapy on growth faltering in this disorder. METHODS:We studied growth failure and its relationship to disease activi...

journal_title：Gastroenterology

authors： Motil KJ,Grand RJ,Davis-Kraft L,Ferlic LL,Smith EO

更新日期：1993-09-01 00:00:00

abstract：BACKGROUND & AIMS:In patients with Wilson's disease presenting with liver involvement, the correct diagnosis is often missed or delayed. The aim of this study was to find an algorithm for diagnosis of this difficult patient group. METHODS:Clinical and laboratory findings of 55 patients with Wilson's disease were evalu...

journal_title：Gastroenterology

authors： Steindl P,Ferenci P,Dienes HP,Grimm G,Pabinger I,Madl C,Maier-Dobersberger T,Herneth A,Dragosics B,Meryn S,Knoflach P,Granditsch G,Gangl A

更新日期：1997-07-01 00:00:00

abstract：:Three structurally related peptides, ovine corticotropin-releasing factor, sauvagine, and urotensin I are selective mesenteric vasodilators in dogs. To assess the possible benefit of these peptides in nonocclusive mesenteric ischemia, they were compared with a nonselective vasodilator, sodium nitroprusside, in the ane...

journal_title：Gastroenterology

authors： MacCannell KL,Newton CA,Lederis K,Rivier J,Tiffany M

更新日期：1986-03-01 00:00:00

abstract：BACKGROUND & AIMS:The effect of hepatitis C viral (HCV) infection on patient and allograft survival after orthotopic liver transplantation is controversial. Hepatitis C recurrence after transplant is inevitable, but studies to date have not found a survival difference between recipients with and without HCV. METHODS:U...

journal_title：Gastroenterology

authors： Forman LM,Lewis JD,Berlin JA,Feldman HI,Lucey MR

更新日期：2002-04-01 00:00:00

abstract：BACKGROUND & AIMS:Chronic pancreatitis has been suggested as a causal risk factor for pancreatic cancer in a recent study. The aim of this study was to clarify the relationship between chronic pancreatitis and pancreatic cancer. METHODS:All patients in the Swedish inpatient Register with a discharge diagnosis of pancr...

journal_title：Gastroenterology

authors： Karlson BM,Ekbom A,Josefsson S,McLaughlin JK,Fraumeni JF Jr,Nyrén O

更新日期：1997-08-01 00:00:00

abstract：BACKGROUND & AIMS:In 1988, we reported the first twin study in inflammatory bowel disease. The aim of the current study was to follow up these twins regarding new cases of inflammatory bowel disease and Crohn's disease characteristics using the Vienna classification. METHODS:The official Swedish population register an...

journal_title：Gastroenterology

authors： Halfvarson J,Bodin L,Tysk C,Lindberg E,Järnerot G

更新日期：2003-06-01 00:00:00

abstract：BACKGROUND & AIMS:Foxl1(+) hepatic progenitor cells (HPCs) differentiate into cholangiocytes and hepatocytes after liver injury. We investigated the requirement for Foxl1(+) HPCs in recovery from liver injury in mice. METHODS:We developed mice in which we could trace and delete Foxl1-expressing HPCs and their descenda...

journal_title：Gastroenterology

authors： Shin S,Upadhyay N,Greenbaum LE,Kaestner KH

更新日期：2015-01-01 00:00:00

abstract：:The mortality experienced by a cohort of 653 patients with celiac disease in Edinburgh and the Lothian region has been analyzed. Mortality overall was 1.9-fold (95% confidence limits, 1.5-2.2) that of the general population (115 deaths observed, 61.8 expected; p less than 0.0001). The increased mortality was greatest ...

journal_title：Gastroenterology

authors： Logan RF,Rifkind EA,Turner ID,Ferguson A

更新日期：1989-08-01 00:00:00

abstract：BACKGROUND & AIMS:Because current therapies for chronic hepatitis C virus (HCV) infections are suboptimal and associated with severe side effects, novel treatment options are needed. A small animal model has recently been developed to study HCV infections. To examine the usefulness of this human liver-urokinase-type pl...

journal_title：Gastroenterology

authors： Vanwolleghem T,Meuleman P,Libbrecht L,Roskams T,De Vos R,Leroux-Roels G

更新日期：2007-10-01 00:00:00