Document Detail


Roles of in vitro- and in vivo-administered histamine and serotonin in compound 48/80-induced gastric acid secretion in isolated, perfused rat stomach.
MedLine Citation:
PMID:  1748039     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
In this investigation, an isolated, perfused rat stomach system was used to elucidate the roles of histamine, serotonin, and the action of cimetidine, methysergide, and propranolol in relation to the in vivo and in vitro administration of compound 48/80. While histamine administered both in vivo and in vitro stimulated acid secretion in the perfused rat stomach, serotonin, added in vitro, inhibited histamine-induced gastric acid secretion. Cimetidine, given either in vivo or in vitro, blocked histamine-induced acid secretion, and methysergide, but not propranolol, reversed the serotonin-induced inhibition of histamine-stimulated acid secretion. Compound 48/80, given in vitro, caused gastric acid secretion that was blocked by pretreatment with cimetidine. Administered in vivo, however, compound 48/80 inhibited both basal and histamine-stimulated acid secretion. This inhibition was partially reversed by pretreatment with methysergide. The absence of inhibition of acid secretion by in vitro-administered compound 48/80 may be related to the timing of the serotonin effect. When serotonin was given prior to histamine, it blocked acid secretion, whereas no inhibition occurred when serotonin was administered together with histamine. None of the other agents investigated affected basal acid secretion.
Authors:
H C Hsu; L J Flancbaum; E Kasziba; G F Merrill; H Fisher
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Publication Detail:
Type:  In Vitro; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Digestive diseases and sciences     Volume:  36     ISSN:  0163-2116     ISO Abbreviation:  Dig. Dis. Sci.     Publication Date:  1991 Dec 
Date Detail:
Created Date:  1992-01-22     Completed Date:  1992-01-22     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  7902782     Medline TA:  Dig Dis Sci     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  1708-14     Citation Subset:  AIM; IM    
Affiliation:
Department of Nutritional Science, Rutgers University, New Brunswick, New Jersey 08903.
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MeSH Terms
Descriptor/Qualifier:
Animals
Cimetidine / pharmacology
Female
Gastric Acid / secretion*
Histamine / pharmacology*
Methysergide / pharmacology
Propranolol / pharmacology
Rats
Rats, Inbred Strains
Serotonin / pharmacology*
p-Methoxy-N-methylphenethylamine / pharmacology*
Chemical
Reg. No./Substance:
361-37-5/Methysergide; 4091-50-3/p-Methoxy-N-methylphenethylamine; 50-67-9/Serotonin; 51-45-6/Histamine; 51481-61-9/Cimetidine; 525-66-6/Propranolol

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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