Adenylate cyclase of human fat cell ghosts. Stimulation of enzyme activity by prostaglandins.

Abstract

It has been shown that the human fat cell adenylate cyclase is activated by prostaglandins. Of the prostaglandins tested the E-type by causing about a 3-fold increase of enzyme activity, was more effective than the F-prostaglandins. Prostaglandin A2 had no stimulatory effect. Activation by prostaglandin E1 was not influenced by beta-adrenergic blockade in contrast to stimulation by epinephrine. Pretreatment of fat cells with trypsin resulted in an abolishment of PTH-sensitivity, but had no effect on prostaglandin responsiveness. These results suggest that the human fat cell adenylate cyclase is coupled to at least three distinct types of hormone receptors.

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@article{Kather1977AdenylateCO, title={Adenylate cyclase of human fat cell ghosts. Stimulation of enzyme activity by prostaglandins.}, author={Horst Kather and Biron Simon}, journal={Journal of cyclic nucleotide research}, year={1977}, volume={3 3}, pages={199-206} }