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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
6
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pubmed:dateCreated |
1991-4-11
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pubmed:abstractText |
Effects of cholecystokinin (CCK) on bile flow through the sphincter of Oddi (SO) were studied in anaesthetized dogs. Intravenous injection of CCK (0.25, 0.5, 1 and 2 IDU/Kg) elicited a dose-dependent reduction in flow through the SO in the first minutes after CCK administration. Pirenzepine and atropine decreased significantly (P less than 0.05) by 29% and a 40% respectively the inhibitory effect induced by 1 IDU/Kg of CCK, whereas hexamethonium elicited an increase in the inhibitory effect induced by 0.5 IDU/Kg of CCK (P less than 0.05). Intravenous infusion of cummulative doses of CCK had different effects according to the dose infused. Lower doses (0.025 and 0.05 IDU/Kg/min) increased transphincteric flow, however, high doses (0.1, 0.2 and 0.4 IDU/Kg/min) were inhibitory. These finding indicated that CCK had two effects on the SO : firstly, a contractile effect, probably mediated through a direct myogenic action and neuronal release of ACh, and secondly a relaxant effect, probably mediated by stimulation of inhibitory postganglionic neurons.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical |
http://linkedlifedata.com/resource/pubmed/chemical/Atropine,
http://linkedlifedata.com/resource/pubmed/chemical/Cholecystokinin,
http://linkedlifedata.com/resource/pubmed/chemical/Hexamethonium,
http://linkedlifedata.com/resource/pubmed/chemical/Hexamethonium Compounds,
http://linkedlifedata.com/resource/pubmed/chemical/Parasympatholytics,
http://linkedlifedata.com/resource/pubmed/chemical/Pirenzepine
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pubmed:status |
MEDLINE
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pubmed:month |
Dec
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pubmed:issn |
0003-9799
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
98
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
353-60
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pubmed:dateRevised |
2006-11-15
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pubmed:meshHeading |
pubmed-meshheading:1705774-Animals,
pubmed-meshheading:1705774-Atropine,
pubmed-meshheading:1705774-Bile,
pubmed-meshheading:1705774-Cholecystokinin,
pubmed-meshheading:1705774-Dogs,
pubmed-meshheading:1705774-Dose-Response Relationship, Drug,
pubmed-meshheading:1705774-Hexamethonium,
pubmed-meshheading:1705774-Hexamethonium Compounds,
pubmed-meshheading:1705774-Male,
pubmed-meshheading:1705774-Parasympatholytics,
pubmed-meshheading:1705774-Pirenzepine,
pubmed-meshheading:1705774-Sphincter of Oddi
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pubmed:year |
1990
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pubmed:articleTitle |
Action of cholecystokinin on the dog sphincter of Oddi: influence of anti-cholinergic agents.
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pubmed:affiliation |
Department of Physiology, Faculty of Veterinary Sciences, University of Extremadura, Cáceres, Spain.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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