Mast CellsReceptors, IgECell DegranulationHistamine ReleaseImmunoglobulin Ep-Methoxy-N-methylphenethylamineAnaphylaxisAnti-Allergic AgentsBasophilsMastocytosisHypersensitivitybeta-N-AcetylhexosaminidasesHistamineChymasesPeritoneal CavityStem Cell FactorProto-Oncogene Proteins c-kitCromolyn SodiumCells, CulturedLeukemia, Basophilic, AcuteReceptors, FcReceptor AggregationTryptasesMice, Inbred C57BLHistidine DecarboxylaseSignal TransductionCell LineMice, KnockoutBone Marrow CellsReceptors, IgGMice, Inbred BALB CCell CountCytokinesAntibodies, Anti-IdiotypicReceptors, Cell SurfaceSkinCalciumReceptors, Immunologic