Source:http://linkedlifedata.com/resource/pubmed/id/10078998
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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
2-3
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pubmed:dateCreated |
1999-6-22
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pubmed:abstractText |
The role of perivascular calcitonin gene-related peptide (CGRP)-containing nerves in the modulation of adrenergic nerve-mediated vasoconstrictions was studied in the rat perfused mesenteric vascular bed. A frequency-dependent vasoconstriction induced by periarterial nerve stimulation (1-6 Hz) of the bed was significantly potentiated by perfusion of 1 microM CGRP-(8-37) (CGRP receptor antagonist) or to a similar extent after treatment with 500 nM capsaicin. In the preparations treated with capsaicin, CGRP-(8-37) caused a small potentiation of periarterial nerve stimulation-induced vasoconstriction. Exogenous CGRP (0.1-1 nM) concentration-dependently attenuated the augmented vasoconstriction in response to periarterial nerve stimulation after treatment with capsaicin. However, exogenous CGRP (1 nM) did not attenuate the periarterial nerve stimulation-induced vasoconstriction in the bed untreated with capsaicin. These results suggest that endogenous CGRP, which is released from CGRP-containing nerves, suppresses the adrenergic nerve function involved in mechanisms regulating the tone of resistant blood vessels.
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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/Calcitonin Gene-Related Peptide,
http://linkedlifedata.com/resource/pubmed/chemical/Capsaicin,
http://linkedlifedata.com/resource/pubmed/chemical/Norepinephrine,
http://linkedlifedata.com/resource/pubmed/chemical/Receptors, Calcitonin Gene-Related...,
http://linkedlifedata.com/resource/pubmed/chemical/Vasoconstrictor Agents
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pubmed:status |
MEDLINE
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pubmed:month |
Feb
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pubmed:issn |
0014-2999
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:day |
19
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pubmed:volume |
367
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
239-45
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pubmed:dateRevised |
2006-11-15
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pubmed:meshHeading |
pubmed-meshheading:10078998-Animals,
pubmed-meshheading:10078998-Calcitonin Gene-Related Peptide,
pubmed-meshheading:10078998-Capsaicin,
pubmed-meshheading:10078998-Dose-Response Relationship, Drug,
pubmed-meshheading:10078998-Drug Synergism,
pubmed-meshheading:10078998-Electric Stimulation,
pubmed-meshheading:10078998-Male,
pubmed-meshheading:10078998-Mesentery,
pubmed-meshheading:10078998-Norepinephrine,
pubmed-meshheading:10078998-Rats,
pubmed-meshheading:10078998-Receptors, Calcitonin Gene-Related Peptide,
pubmed-meshheading:10078998-Sympathetic Nervous System,
pubmed-meshheading:10078998-Vasoconstriction,
pubmed-meshheading:10078998-Vasoconstrictor Agents
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pubmed:year |
1999
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pubmed:articleTitle |
Endogenous calcitonin gene-related peptide suppresses vasoconstriction mediated by adrenergic nerves in rat mesenteric resistance blood vessels.
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pubmed:affiliation |
The First Department of Internal Medicine, Miyazaki Medical College, Japan.
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pubmed:publicationType |
Journal Article,
In Vitro
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