AdenosineReceptors, Purinergic P1Purinergic P1 Receptor AgonistsPurinergic P1 Receptor AntagonistsPhenethylaminesReceptor, Adenosine A2AReceptor, Adenosine A3Receptor, Adenosine A1Receptor, Adenosine A2BAdenosine A2 Receptor AgonistsXanthinesAdenosine-5'-(N-ethylcarboxamide)Adenosine A2 Receptor AntagonistsReceptors, Adenosine A2Receptors, PurinergicAdenosine A1 Receptor AgonistsAdenosine A1 Receptor AntagonistsAdenosine A3 Receptor AntagonistsAdenosine A3 Receptor AgonistsAdenosine DeaminasePhenylisopropyladenosineTheophyllineElectric Stimulation2-ChloroadenosineAdenosine KinaseCyclic AMPTriazinesTheobrominePurinergic AntagonistsAdenosine MonophosphateRadioligand AssayStimulation, ChemicalCells, Cultured5'-NucleotidaseTriazolesDose-Response Relationship, DrugRats, Sprague-DawleySignal TransductionPurinesCalciumInosineElectric Stimulation TherapyAdenylate CyclaseAminophyllineIsoproterenolRats, WistarGuinea PigsTubercidinTime FactorsNorbornanesKineticsMyocardiumMice, Inbred C57BLCell LineCaffeineMice, KnockoutDipyridamoleEnzyme ActivationPhysical StimulationDeep Brain StimulationColforsinReceptors, Adrenergic, betaVasodilator AgentsEnzyme InhibitorsGTP-Binding ProteinsCricetinaeDogsPhosphorylationDopamine AgonistsAdrenergic beta-AgonistsRNA, MessengerCyclic AMP-Dependent Protein KinasesCell MembraneCHO CellsBinding, CompetitiveHeartPertussis ToxinThioinosineTranscranial Magnetic StimulationProtein Kinase CAdenine NucleotidesHeart RatePhosphodiesterase InhibitorsAdenosine TriphosphateNeuronsAdenineNorepinephrineNucleoside Transport ProteinsReceptors, Purinergic P2Receptors, MuscarinicRabbitsCarbacholSynaptic Transmission1-Methyl-3-isobutylxanthineReceptors, Dopamine D2Virulence Factors, BordetellaVasodilationMyocardial ContractionRats, Inbred StrainsAdenosine Triphosphatases