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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
2
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pubmed:dateCreated |
1992-4-28
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pubmed:abstractText |
Nano- and micromolar isoproterenol concentrations were compared by studying cyclic AMP, beta-adrenoceptor density and beta 1-adrenoceptor mRNA in rat C6 glioma cells. 1 microM isoproterenol significantly changed all parameters at 15-30 min. The beta 1-antagonist metoprolol attenuated the response. No effects of nanomolar isoproterenol on these early changes were observed, although the density of beta-adrenoceptors was significantly reduced beginning at 12 h. The results indicate a different process for beta-adrenoceptor desensitization in C6 cells following physiologically low agonist concentrations.
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pubmed:grant | |
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 |
Feb
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pubmed:issn |
0014-2999
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:day |
13
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pubmed:volume |
225
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
171-4
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pubmed:dateRevised |
2007-11-14
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pubmed:meshHeading |
pubmed-meshheading:1312942-Animals,
pubmed-meshheading:1312942-Cyclic AMP,
pubmed-meshheading:1312942-Dose-Response Relationship, Drug,
pubmed-meshheading:1312942-Down-Regulation,
pubmed-meshheading:1312942-Glioma,
pubmed-meshheading:1312942-Isoproterenol,
pubmed-meshheading:1312942-RNA, Messenger,
pubmed-meshheading:1312942-Rats,
pubmed-meshheading:1312942-Receptors, Adrenergic, beta,
pubmed-meshheading:1312942-Tumor Cells, Cultured
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pubmed:year |
1992
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pubmed:articleTitle |
Dose-dependent down-regulation of beta-adrenoceptors by isoproterenol in rat C6 glioma cells.
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pubmed:affiliation |
Department of Psychiatry, Vanderbilt University School of Medicine, Nashville, TN 37232.
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pubmed:publicationType |
Journal Article,
Research Support, U.S. Gov't, P.H.S.,
Research Support, Non-U.S. Gov't
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