HistamineLigandsReceptors, Histamine H1Histamine ReleaseReceptors, Histamine H2Receptors, HistamineHistamine AntagonistsHistamine AgonistsReceptors, Histamine H3Histamine H1 AntagonistsHistamine H2 AntagonistsHistamine N-MethyltransferaseReceptors, sigmaPyrilamineMethylhistaminesHistidine DecarboxylaseDimapritHistamine H3 AntagonistsHistamine AgentsCimetidineChlorpheniramineCD40 LigandFas Ligand ProteinRadioligand AssayMetiamideDiphenhydramineDose-Response Relationship, DrugMast Cellsp-Methoxy-N-methylphenethylamineProtein BindingSignal TransductionBinding SitesGuinea PigsBasophilsThioureaBinding, CompetitiveCells, CulturedPiperidinesMolecular Sequence DataCell LineAmino Acid SequenceImpromidineModels, MolecularStructure-Activity RelationshipReceptors, G-Protein-CoupledKineticsPhenazocineReceptors, OpioidCHO CellsImidazoline ReceptorsAnaphylaxisImidazolesBurimamideMembrane GlycoproteinsReceptors, CannabinoidTNF-Related Apoptosis-Inducing LigandMice, Inbred C57BLReceptors, DrugReceptors, SerotoninCricetinaeReceptors, Cell SurfaceRANK LigandSerotonin AntagonistsHistamine H1 Antagonists, Non-SedatingProtein Structure, TertiaryMolecular StructureImmunoglobulin ERNA, MessengerRats, WistarBronchial Provocation TestsRanitidineBenzodiazepinonesRats, Sprague-DawleyTransfectionReceptors, Cytoplasmic and NuclearRecombinant ProteinsTriprolidineSerotoninToll-Like ReceptorsPruritusCromolyn SodiumCyclic AMPPentazocineTerfenadineProtein ConformationReceptors, PhencyclidineIndolesSalicylamidesTime FactorsReceptors, GABA-APyrazolesAmine Oxidase (Copper-Containing)Mice, KnockoutPyridinesDrug Partial AgonismGastric MucosaReceptors, Aryl HydrocarbonCell Line, TumorMuscle, SmoothRecombinant Fusion Proteins