Activation and inhibition of blood platelet adenylate cyclase by adenosine or by 2-chloroadenosine.

Adenosine/pharmacology Adenylyl Cyclase Inhibitors Adenylyl Cyclases/metabolism Aminophylline/pharmacology Blood Platelets/enzymology Carbon Isotopes Chlorine Cyclic AMP/pharmacology Dose-Response Relationship, Drug Enzyme Activation/drug effects Freezing Humans Osmolar Concentration Papaverine/pharmacology Prostaglandins/pharmacology Structure-Activity Relationship Tritium

Adenylyl Cyclase Inhibitors Carbon Isotopes Prostaglandins Tritium Aminophylline Chlorine Papaverine Cyclic AMP Adenylyl Cyclases Adenosine