Hormonal inhibition of adenylate cyclase. alpha 2 Adrenergic receptors promote release of [3H]guanylylimidodiphosphate from platelet membranes.

Adenylyl Cyclase Inhibitors Alprostadil Blood Platelets/drug effects,metabolism Cell Membrane/drug effects,metabolism Epinephrine/pharmacology Guanosine Triphosphate/analogs & derivatives,blood Guanylyl Imidodiphosphate/blood Humans Kinetics Prostaglandins E/pharmacology Receptors, Adrenergic/metabolism Receptors, Adrenergic, alpha/drug effects,metabolism

Adenylyl Cyclase Inhibitors Prostaglandins E Receptors, Adrenergic Receptors, Adrenergic, alpha Guanylyl Imidodiphosphate Guanosine Triphosphate Alprostadil Epinephrine