Source:http://linkedlifedata.com/resource/pubmed/id/12688392
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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:dateCreated |
2003-4-11
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pubmed:abstractText |
Exogenous neuropeptide Y produced marked contractions in rat isolated common jugular, brachial, and caudal veins, while it produced little or no contractions in common carotid, brachial, and caudal arteries. Neuropeptide Y (30 nM) produced larger contractions in these veins than did phenylephrine (1 microM), with maximal contractions through the neuropeptide Y receptor and the alpha1-adrenoceptor, respectively. In contrast, neuropeptide Y (30 nM) produced smaller contractions than did phenylephrine (1 microM) in the arteries. Pre-treatment with neuropeptide Y (30 nM) showed remarkable desensitization to neuropeptide Y (30 nM). This desensitization lasted for 1 h in the caudal vein or for 2 h in the common carotid and brachial veins. The neuropeptide Y-induced contraction and its desensitization probably occurred through the neuropeptide Y receptor subtype Y1, because only the neuropeptide Y receptor subtype Y1 was detected in the smooth muscle by the reverse transcriptase-polymerase chain reaction.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:month |
Jan
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pubmed:issn |
0160-2446
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
41 Suppl 1
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
S23-7
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pubmed:dateRevised |
2006-11-15
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pubmed:meshHeading |
pubmed-meshheading:12688392-Animals,
pubmed-meshheading:12688392-Forelimb,
pubmed-meshheading:12688392-Jugular Veins,
pubmed-meshheading:12688392-Male,
pubmed-meshheading:12688392-Muscle, Smooth, Vascular,
pubmed-meshheading:12688392-Neuropeptide Y,
pubmed-meshheading:12688392-Rats,
pubmed-meshheading:12688392-Rats, Wistar,
pubmed-meshheading:12688392-Receptors, Neuropeptide Y,
pubmed-meshheading:12688392-Tail,
pubmed-meshheading:12688392-Vasoconstriction
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pubmed:year |
2003
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pubmed:articleTitle |
Neuropeptide Y-induced contraction and its desensitization through the neuropeptide Y receptor subtype in several rat veins.
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pubmed:affiliation |
Division of Pharmacology, Department of Molecular Genetics and Signal Transduction Research, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan.
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pubmed:publicationType |
Journal Article,
Comparative Study,
Research Support, Non-U.S. Gov't
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