1-Methyl-3-isobutylxanthinePhosphodiesterase InhibitorsCyclic AMPColforsinTheophylline3',5'-Cyclic-AMP PhosphodiesterasesBucladesineCyclic GMPAmrinone8-Bromo Cyclic Adenosine MonophosphateTetramisole4-(3-Butoxy-4-methoxybenzyl)-2-imidazolidinoneCyclic AMP-Dependent Protein KinasesCyclic Nucleotide Phosphodiesterases, Type 3PapaverineCyclic Nucleotide Phosphodiesterases, Type 4Cyclic Nucleotide Phosphodiesterases, Type 1Adenylate CyclaseXanthinesDibutyryl Cyclic GMPRolipramIsoproterenolCyclic Nucleotide Phosphodiesterases, Type 22',3'-Cyclic-Nucleotide PhosphodiesterasesPurinones3',5'-Cyclic-GMP PhosphodiesterasesSecond Messenger SystemsIsoquinolinesNucleotides, CyclicMilrinoneOctopamineCalciumPhotoreceptor CellsChloridesStimulation, ChemicalMembrane PotentialsDose-Response Relationship, DrugEnzyme InhibitorsBufo marinusAmbystomaGuinea PigsCyclic GMP-Dependent Protein KinasesAdenosineSulfonamidesCells, CulturedOocytesPerfusionThionucleotidesPyridazinesAdrenergic beta-AgonistsGuanylate CyclaseReceptors, Adrenergic, betaChloride ChannelsCarbacholPatch-Clamp TechniquesPyrrolidinonesElectric ConductivityMuscle, SmoothMuscle RelaxationCholera ToxinTrachea3T3-L1 CellsIslets of LangerhansRats, Sprague-DawleyNitric Oxide DonorsMuscle ContractionRats, WistarRats, Inbred StrainsElectrophysiologyKineticsLightInsulinNitroprussideAdipogenesisSignal TransductionSodiumCaffeineCalcium Channels, L-TypeTime FactorsPotassiumDexamethasoneIon ChannelsRabbitsGlucagonCalcium ChannelsDinoprostoneCalcium Channel BlockersMeiosisAmilorideHeartPhosphorylationMuscle, Smooth, VascularAction PotentialsCell LineVerapamilProstaglandinsAdipocytesIon TransportPotassium ChannelsMyocardial Contraction