Receptors, Histamine H3Receptors, Histamine H1HistamineReceptors, Histamine H2Histamine H1 AntagonistsHistamine AgonistsReceptors, HistamineHistamine H2 AntagonistsHistamine AntagonistsHistamine H3 AntagonistsHistamine ReleaseMethylhistaminesChlorpheniramineDimapritReceptors, IgECimetidineMetiamideThioureaImpromidineDiphenhydramineBinding, CompetitiveHistamine N-MethyltransferaseHistamine AgentsKineticsFamotidineMast CellsImmunoglobulin ERanitidineHistidine DecarboxylaseBurimamidePyrilamineHistamine H1 Antagonists, Non-SedatingDoxepinChromatography, AffinityGuinea PigsMolecular Sequence DataProtein BindingRadioligand AssayReceptors, Cell SurfaceIsothiuroniumBinding SitesCell LineAmino Acid SequenceDose-Response Relationship, DrugPiperidinesBasophilsTripelennamineLigandsNerve BlockRecombinant ProteinsReceptors, IgGCells, CulturedImidazolesp-Methoxy-N-methylphenethylamineTerfenadineTriprolidineLeukemia Inhibitory Factor Receptor alpha SubunitCHO CellsGastric AcidCricetinaeCell MembraneKetotifenHeart BlockReceptors, G-Protein-CoupledDibenzoxepinsReceptors, OSM-LIFReceptor AggregationBase SequenceAntibody AffinityBetahistineReceptors, FcReceptors, DrugTransfectionReceptors, Fibroblast Growth FactorAffinity LabelsGuanidinesPruritusSignal TransductionCetirizineStructure-Activity RelationshipLeukemia, Basophilic, AcuteGastric MucosaAnaphylaxisReceptors, Nerve Growth FactorModels, MolecularCalciumCell DegranulationCloning, MolecularDibenzazepinesPhosphorylationTumor Cells, CulturedCross-Linking ReagentsRNA, MessengerAstemizoleProtein Structure, TertiaryReceptors, Leukotriene B4DimethindeneMuscle, SmoothAntibodies, MonoclonalDrug Inverse Agonism