THE EFFECT OF ONDANSETRON ON GASTRIC-EMPTYING IN THE CONSCIOUS RAT

被引:13
作者
FORSTER, ER [1 ]
DOCKRAY, GJ [1 ]
机构
[1] UNIV LIVERPOOL,PHYSIOL LAB,MRC,SECRETORY CONTROL GRP,POB 147,LIVERPOOL L69 3BX,ENGLAND
基金
英国医学研究理事会;
关键词
5-HT[!sub]3[!/sub] receptors; Gastric emptying; Ondansetron; Protein meals;
D O I
10.1016/0014-2999(90)94154-P
中图分类号
R9 [药学];
学科分类号
1007 ;
摘要
The 5-HT3 receptor antagonist ondansetron (GR38032F) enhanced the action of a protein-rich solution in delaying gastric emptying in the conscious gastric fistula rat, but had no effect on the emptying of isotonic or hypertonic saline, acid or FOY-305 which delays emptying by release of cholecystokinin (CCK). The specific CCK-A antagonist (L-364,718) increased gastric emptying of protein-rich meals. L364,718 also increased emptying in the presence of ondansetron. They indicate that protein-rich meals release both CCK and 5-hydroxytryptamine which act in different ways to control gastric motility. © 1990.
引用
收藏
页码:235 / 238
页数:4
相关论文
共 10 条
[1]  
BUCHHEIT K H, 1989, Gastroenterology, V96, pA63
[2]   PHARMACOLOGICAL PROPERTIES OF GR38032F, A NOVEL ANTAGONIST AT 5-HT3 RECEPTORS [J].
BUTLER, A ;
HILL, JM ;
IRELAND, SJ ;
JORDAN, CC ;
TYERS, MB .
BRITISH JOURNAL OF PHARMACOLOGY, 1988, 94 (02) :397-412
[3]   THE EFFECT OF GR38032F, NOVEL 5-HT3-RECEPTOR ANTAGONIST ON GASTRIC-EMPTYING IN THE GUINEA-PIG [J].
COSTALL, B ;
GUNNING, SJ ;
NAYLOR, RJ ;
TYERS, MB .
BRITISH JOURNAL OF PHARMACOLOGY, 1987, 91 (02) :263-264
[4]  
DEBAS HT, 1975, GASTROENTEROLOGY, V68, P1211
[5]   EVIDENCE FOR REFLEX ADRENERGIC INHIBITION OF ACID-SECRETION IN THE CONSCIOUS RAT [J].
DIMALINE, R ;
CARTER, N ;
BARNES, S .
AMERICAN JOURNAL OF PHYSIOLOGY, 1986, 251 (05) :G615-G618
[6]  
DOCKRAY GJ, 1989, NEUROPEPTIDE CHOLECY, P232
[7]  
FORSTER ER, 1990, AM J PHYSIOL, V258, P552
[8]   ACTION OF THE CHOLECYSTOKININ ANTAGONIST L364,718 ON GASTRIC-EMPTYING IN THE RAT [J].
GREEN, T ;
DIMALINE, R ;
PEIKIN, S ;
DOCKRAY, GJ .
AMERICAN JOURNAL OF PHYSIOLOGY, 1988, 255 (05) :G685-G689
[10]  
SMITH CL, 1984, GASTROENTEROLOGY, V86, P1257