Agonist and antagonist affinities for inhibitory adenosine receptors are reciprocally affected by 5'-guanylylimidodiphosphate or N-ethylmaleimide.

Adenosine/analogs & derivatives,metabolism Adenosine-5'-(N-ethylcarboxamide) Animals Ethylmaleimide/pharmacology Female Guanosine Triphosphate/analogs & derivatives Guanylyl Imidodiphosphate/pharmacology Hippocampus/metabolism Male Phenylisopropyladenosine/metabolism Rats Rats, Inbred Strains Receptors, Cell Surface/drug effects Receptors, Purinergic

Receptors, Cell Surface Receptors, Purinergic Phenylisopropyladenosine Guanylyl Imidodiphosphate Adenosine-5'-(N-ethylcarboxamide) N(6)-cyclohexyladenosine Guanosine Triphosphate Adenosine Ethylmaleimide