IMMUNONEUTRALIZATION SUGGESTS THAT CALCITONIN GENE RELATED PEPTIDE REGULATES GASTRIC-EMPTYING IN THE RAT

被引:13
作者
FORSTER, ER [1 ]
DOCKRAY, GJ [1 ]
机构
[1] UNIV LIVERPOOL,DEPT PHYSIOL,MRC,SECRETORY CONTROL RES GRP,BROWNLOW HILL,POB 147,LIVERPOOL L69 3BX,ENGLAND
基金
英国医学研究理事会;
关键词
CALCITONIN GENE RELATED PEPTIDE (CGRP); AXON REFLEX; GASTRIC EMPTYING; VISCERAL AFFERENT;
D O I
10.1016/0304-3940(91)90324-M
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
The role of calcitonin gene related peptide (CGRP) in controlling gastric emptying was examined in conscious gastric fistula rats. Rats were immunized with CGRP conjugated to thyroglobulin to produce circulating antibodies for neutralization of the endogenous peptide; control rats received carrier thyroglobulin alone. In the latter acid, protein and hypertonic solutions delayed gastric emptying; in rats with CGRP antibodies the action of acid and hyperosmolal solutions, but not protein, was reversed. The data are compatible with the idea that acid and hypersmolal solutions release CGRP at the peripheral terminals of visceral afferents in the upper gastrointestinal tract which in turn modifies motility to slow gastric emptying.
引用
收藏
页码:5 / 7
页数:3
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