Receptors, Histamine H3Receptors, Histamine H1HistamineReceptors, Histamine H2Histamine H1 AntagonistsHistamine AgonistsReceptors, HistamineHistamine H2 AntagonistsHistamine AntagonistsHistamine H3 AntagonistsSignal TransductionMolecular Sequence DataHistamine ReleasePhosphorylationMethylhistaminesChlorpheniramineDimapritReceptors, IgECimetidineBinding, CompetitiveRadioligand AssayKineticsMetiamideThioureaReceptors, Cell SurfaceImpromidineDiphenhydramineProtein BindingHistamine N-MethyltransferaseHistamine AgentsLigandsCell LineChromatography, AffinityGuinea PigsFamotidineMast CellsStructure-Activity RelationshipImmunoglobulin EDose-Response Relationship, DrugBinding SitesRanitidineHistidine DecarboxylaseBurimamideAmino Acid SequencePyrilamineHistamine H1 Antagonists, Non-SedatingDoxepinCell MembraneCHO CellsCricetinaeIsothiuroniumRecombinant ProteinsCells, CulturedReceptors, DrugPiperidinesAffinity LabelsBasophilsTripelennamineReceptors, IgGReceptor, Insulinp-Methoxy-N-methylphenethylamineImidazolesTriprolidineTerfenadineRats, Inbred StrainsLeukemia Inhibitory Factor Receptor alpha SubunitGastric AcidBase SequenceReceptors, Adrenergic, alphaTumor Cells, CulturedReceptor, Serotonin, 5-HT2AKetotifenTransfectionModels, MolecularPurinergic P1 Receptor AgonistsDibenzoxepinsReceptors, G-Protein-CoupledCalciumReceptors, OSM-LIFMutagenesis, Site-DirectedMolecular StructureReceptor AggregationRats, WistarReceptors, SerotoninAntibody AffinityBetahistineReceptors, ImmunologicReceptors, FcRNA, MessengerProtein ConformationReceptors, Fibroblast Growth FactorPiperazinesMolecular WeightGuanidinesPruritusCetirizineRecombinant Fusion ProteinsLeukemia, Basophilic, AcutePeptidesGuanosine 5'-O-(3-Thiotriphosphate)