Inhibition and Enhancement of the Noradrenaline Constrictor Response by Methylxanthines

1 July 1973

journal article
Published by Canadian Science Publishing in Canadian Journal of Physiology and Pharmacology

Vol. 51 (7) , 553-555
https://doi.org/10.1139/y73-081

Abstract

Theophylline and caffeine either inhibited or potentiated the noradrenaline constrictor response in an isolated perfused mesenteric artery preparation. The type of response observed was dependent on both the concentration of noradrenaline and the concentration of methylxanthine. Theobromine produced only inhibition of the noradrenaline response.

Keywords

CAFFEINE
ARTERY
THEOBROMINE
METHYLXANTHINES
MESENTERIC
PERFUSED
CONSTRICTOR RESPONSE
NORADRENALINE CONSTRICTOR

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