Radioligand AssayKineticsBinding, CompetitiveIodocyanopindololReceptors, Adrenergic, betaQuinuclidinyl BenzilateTritiumReceptors, Adrenergic, alpha-1N-MethylscopolaminePindololTetralonesDihydroalprenololCHO CellsIodine RadioisotopesLigandsCricetinaeAdrenergic alpha-1 Receptor AntagonistsReceptors, SerotoninPropanolaminesBinding SitesSerotonin AntagonistsReceptors, MuscarinicXanthinesAdrenergic alpha-AntagonistsReceptors, Dopamine D2AutoradiographyReceptors, Purinergic P1Dose-Response Relationship, DrugBrainIsradipineCell MembraneBicyclo Compounds, HeterocyclicReceptor, Adenosine A3Fluorine RadioisotopesSpiperoneRats, Sprague-DawleyPositron-Emission TomographyRadiopharmaceuticalsMembranesReceptors, Serotonin, 5-HT3Receptors, AngiotensinProtein BindingReceptor, Adenosine A1Receptors, Adrenergic, alphaPyridinesAllosteric RegulationMuscarinic AntagonistsPrazosinCyclic AMPGuinea PigsPhenethylaminesReceptors, Histamine H3CricetulusCell LineReceptors, sigmaSerotonin Receptor AgonistsReceptors, CholecystokininDioxanesCarbon RadioisotopesCerebral CortexReceptors, Dopamine D3DihydropyridinesDopamine AgonistsReceptor, Muscarinic M2PiperidinesReceptor, Serotonin, 5-HT2AAdenosineReceptors, Adrenergic, beta-2Purinergic P1 Receptor AntagonistsReceptors, AdrenergicCells, CulturedDopamine AntagonistsTissue DistributionPurinergic P1 Receptor AgonistsAdrenergic beta-AntagonistsBenzodiazepinonesMolecular Sequence DataReceptors, DopamineStructure-Activity RelationshipAdenosine-5'-(N-ethylcarboxamide)Bicyclo CompoundsReceptor, Muscarinic M3FlumazenilPhenylisopropyladenosineImidazolesGuanosine 5'-O-(3-Thiotriphosphate)DiprenorphineAdenylate CyclaseAdrenergic beta-AgonistsRats, WistarPiperazinesReceptors, ThromboxaneReceptors, GABA-AIsoproterenolAmino Acid SequenceNortropanesRats, Inbred StrainsDopamine Plasma Membrane Transport ProteinsMyocardiumPirenzepine