Title : The inhibitory effects of isoflurane on protein tyrosine phosphorylation-modulated contraction of rat aortic smooth muscle.

Pub. Date : 2004 Dec

PMID : 15564939






2 Functional Relationships(s)
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1 RESULTS: Na3VO4 (10(-4) m) induced a gradually sustained contraction and significant increase in protein tyrosine phosphorylation of a set of substrates including PLCgamma-1 and p42MAPK, all of which were markedly inhibited by genistein (5 x 10(-5) m), a tyrosine kinase inhibitor. Tyrosine mitogen activated protein kinase 1 Rattus norvegicus
2 CONCLUSION: The findings of the current study, that isoflurane dose-dependently inhibits both the Na3VO4-stimulated contraction and tyrosine phosphorylation of a set of proteins including PLCgamma-1 and p42MAPK in rat aortic smooth muscle, suggest that isoflurane depresses protein tyrosine phosphorylation-modulated contraction of vascular smooth muscle, especially that mediated by the tyrosine-phosphorylated PLCgamma-1 and MAPK signaling pathways. Tyrosine mitogen activated protein kinase 1 Rattus norvegicus