Cyclic AMPSecond Messenger SystemsRNA, MessengerBucladesineReceptors, Cyclic AMPColforsin1-Methyl-3-isobutylxanthineCyclic GMPCalciumAdenylate Cyclase3',5'-Cyclic-AMP PhosphodiesterasesTheophyllineCyclic AMP Receptor ProteinSignal Transduction8-Bromo Cyclic Adenosine MonophosphateInositol PhosphatesPhosphodiesterase InhibitorsInositol 1,4,5-TrisphosphateKineticsCells, CulturedAMP DeaminaseCyclic AMP-Dependent Protein KinasesIsoproterenolPhosphoric Diester HydrolasesDiglyceridesEnzyme ActivationCyclic ADP-RiboseNucleotides, CyclicPhosphatidylinositolsProtein Kinase CCell LineMolecular Sequence DataCyclic AMP Response Element-Binding Protein