The inhibitory effect of glucagon-like peptide-1 (GLP-1) 7-36 amide on gastric acid secretion in humans depends on an intact vagal innervation

被引:119
作者
Wettergren, A
Wojdemann, M
Meisner, S
Stadil, F
Holst, JJ
机构
[1] RIGSHOSP, DEPT GASTROINTESTINAL SURG C, DK-2100 COPENHAGEN, DENMARK
[2] UNIV COPENHAGEN, DEPT MED PHYSIOL C, DK-1168 COPENHAGEN, DENMARK
关键词
ileal brake; enterogastrone; vagotomy; pentagastrin; proglucagon;
D O I
10.1136/gut.40.5.597
中图分类号
R57 [消化系及腹部疾病];
学科分类号
摘要
Background-Glucagon-like peptide-1 (GLP-1)(7-36) amide is an intestinal incretin hormone which also inhibits gastric acid secretion in humans. Its mechanism of action is unclear, but it strongly inhibits vagally induced secretion (sham feeding), suggesting that it could influence vagal activity. Aim/Methods-The effect of intravenous GLP-1 (7-36 amide) (1 pmol/kg/min) was studied on pentagastrin induced acid secretion in otherwise healthy subjects, previously vagotomised for duodenal ulcer (n=8) and in a group of young (n=8) and old (n=6) healthy volunteers. Results-Pentagastrin increased acid secretion significantly in all three groups, but the plateau concentration in the vagotomised subjects was lower than in controls. Infusion of GLP-1 (7-36 amide) significantly inhibited acid secretion in the control groups (to 67 (SEM 6) and 74 (SEM 3)% of plateau concentrations in young and old controls, respectively) but had no effect in the vagotomised subjects. Differences in plasma concentrations of vagotomy. GLP-1 (7-36 amide), recovery of gastric marker, duodenal regurgitation, or Helicobacter pylori status could not explain the Methods lack of effect. Blood glucose was lowered equally by GLP-1 (7-36 amide) in all subjects subjects. Conclusion-The inhibitory effect of GLP-1 (7-36 amide) on acid secretion depends on intact vagal innervation of the stomach.
引用
收藏
页码:597 / 601
页数:7
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