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Loss of receptor-mediated 86Rb efflux from pig aortic endothelial cells in culture

Ager, Ann and Martin, W. 1983. Loss of receptor-mediated 86Rb efflux from pig aortic endothelial cells in culture. British Journal of Pharmacology 80 (1) , pp. 5-6. 10.1111/j.1476-5381.1983.tb11040.x

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The responsiveness of freshly-isolated and subcultured pig aortic endothelial cells to adenosine triphosphate (ATP), bradykinin and ionophore A23187 was compared by monitoring agonist-induced 86Rb efflux. ATP, bradykinin and ionophore A23187 stimulated 86Rb efflux from freshly-isolated cells. ATP and bradykinin, which act via specific receptors, were less effective at inducing 86Rb efflux from subcultured cells but ionophore A23187 was as effective on subcultured as on freshly-isolated cells. These results suggest that pig aortic endothelial cells, when subcultured, lose receptors for ATP and bradykinin and/or develop an abnormality in the coupling-mechanism between receptor-occupation and calcium-mobilization.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Medicine
Systems Immunity Research Institute (SIURI)
Subjects: R Medicine > RM Therapeutics. Pharmacology
Publisher: Nature Publishing Group
ISSN: 0007-1188
Last Modified: 04 Jun 2017 04:15

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