Direct evidence for a prostaglandin receptor and its application to prostaglandin measurements (rat-adipocytes-antagonists-analogues-mouse ovary assay).

Abstract

A prostaglandin receptor is present in rat adipocytes, as shown by competition studies with [(3)H]-prostaglandin E(1). The affinity of the E prostaglandins for this receptor preparation is greater than that of A and F prostaglandins, an observation consistent with their relative potencies in stimulating cyclic AMP formation in isolated mouse ovaries and various other organs. In the protocol described, binding constants of 3-8 nM were obtained with prostaglandins E(2) and E(1). A sensitivity of 1 pmole makes this method readily applicable for measurement of tissue concentrations of the E prostaglandins.

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@article{Kuehl1972DirectEF, title={Direct evidence for a prostaglandin receptor and its application to prostaglandin measurements (rat-adipocytes-antagonists-analogues-mouse ovary assay).}, author={F. A. Kuehl and John L Humes}, journal={Proceedings of the National Academy of Sciences of the United States of America}, year={1972}, volume={69 2}, pages={480-4} }