BasophilsHistamine ReleaseBasophil Degranulation TestImmunoglobulin EAntigens, CD63Leukotriene C4Receptors, IgEAntibodies, Anti-IdiotypicInterleukin-3N-Formylmethionine Leucyl-PhenylalanineHistamineComplement C5aCell DegranulationComplement C5a, des-ArginineDiynesHypersensitivityMast CellsBetulaAnaphylaxisInterleukin-4Desensitization, ImmunologicInterleukin-13PyrophosphatasesLeukotrienesComplement C5AllergensDose-Response Relationship, ImmunologicEosinophilsImmunoglobulin epsilon-ChainsPhosphoric Diester HydrolasesCells, CulturedInterleukin-5CalcimycinCytoplasmic GranulesFlow CytometryProtein-Tyrosine KinasesAntigens, CDTheophyllineInterleukinsTetradecanoylphorbol AcetateCytokinesCalciumRecombinant ProteinsKineticsIntracellular Signaling Peptides and ProteinsSignal Transduction