Cyclic AMPBucladesineCholera ToxinAdenosine8-Bromo Cyclic Adenosine MonophosphateAdenosine MonophosphateColforsinReceptor, Adenosine A2A1-Methyl-3-isobutylxanthineAdenylate CyclaseTheophyllineCyclic AMP-Dependent Protein KinasesReceptor, Adenosine A1EtretinatePhosphodiesterase InhibitorsCyclic GMPAdenosine Deaminase3',5'-Cyclic-AMP PhosphodiesterasesCyclic AMP Response Element-Binding ProteinPhosphodiesterase 4 InhibitorsIsoproterenolReceptor, Adenosine A3Receptors, Purinergic P1RolipramCells, CulturedSecond Messenger SystemsAnthralinAdenosine KinaseReceptor, Adenosine A2BAdenosine-5'-(N-ethylcarboxamide)Receptors, Adrenergic, betaSignal TransductionNucleotides, CyclicPhenylisopropyladenosinePhosphoric Diester HydrolasesReceptors, Adenosine A2Cyclic Nucleotide Phosphodiesterases, Type 4CalciumAdenosine A2 Receptor AgonistsDose-Response Relationship, Drug