Regional heterogeneity in the contractile and potentiating effects of neuropeptide Y in rat isolated coronary arteries: modulatory action of the endothelium.

1. Neuropeptide Y (NPY) induced a concentration-dependent contraction of isolated rings of proximal epicardial (PC) and distal intramural (DC) coronary arteries of the rat, with an EC50 of ca. 1 x 10(-7) M. The NPY-induced contraction at 3 x 10(-7) M was significantly smaller in PC than DC arteries:...

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Autors principals: Prieto, D., Benedito, S., Simonsen, U., Nyborg, N. C.
Format: Artigo
Idioma:Inglês
Publicat: 1991
Matèries:
Research Article
Accés en línia:https://ncbi.nlm.nih.gov/pmc/articles/PMC1917921/
https://ncbi.nlm.nih.gov/pubmed/1364848
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