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. 1981 May;17(5):450-8.
doi: 10.1007/BF02626746.

Stimulation of cyclic AMP production by vasoactive agents in cultured bovine aortic and pulmonary artery endothelial cells

J S Makarski

Stimulation of cyclic AMP production by vasoactive agents in cultured bovine aortic and pulmonary artery endothelial cells

J S Makarski. In Vitro. 1981 May.

Abstract

The ability of selected vasoactive agents to influence cyclic AMP levels of confluent, early-passaged bovine calf aortic and pulmonary artery endothelial cells was investigated. Among the agents tested, only the catecholamines (isoproterenol, epinephrine, norepinephrine) and prostaglandins (PGE1, PGE2, PGF2 alpha) resulted consistently in increased cyclic AMP production in both cell populations. The degree of cyclic AMP stimulation obtained with other vasoactive compounds (angiotensins I and II, bradykinin, and serotonin) tended to be either very small or difficult to reproduce. Isoproterenol stimulation was blocked completely by propanolol, a beta-blocking agent, but not by phentolamine, and alpha-blocking agent. These results reveal that bovine calf aortic and pulmonary artery endothelial cells are responsive to catecholamines and prostaglandins, and therefore presumably possess both sensitive adenylate cyclases and plasma membrane receptors for these compounds.

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