Mast CellsOrgan SpecificityCell DegranulationTryptasesChymasesHistamine ReleaseReceptors, IgEImmunoglobulin EMastocytosisKetotifenp-Methoxy-N-methylphenethylamineCromolyn SodiumAnaphylaxisHistamineTolonium ChlorideProto-Oncogene Proteins c-kitSerine EndopeptidasesStem Cell Factorbeta-N-AcetylhexosaminidasesPassive Cutaneous AnaphylaxisCells, CulturedCell CountBasophilsMice, Inbred C57BLCytoplasmic GranulesHypersensitivityAnti-Allergic AgentsSkinHistamine H1 AntagonistsBone Marrow CellsMice, Mutant StrainsMice, KnockoutMice, Inbred BALB CCytokinesInflammationInterleukin-3Mastocytosis, SystemicInflammation MediatorsCell DifferentiationAllergensPeritoneal CavityRNA, MessengerAntigensInterleukin-4Cell LineEosinophilsLeukemia, Mast-CellLungOvalbuminSignal TransductionFlow CytometryCarboxypeptidases ATumor Necrosis Factor-alphaCell MovementCell CommunicationIntestinal MucosaInterleukin-6Coculture TechniquesMice, TransgenicThioxanthenesImmunohistochemistryCell ProliferationMast-Cell SarcomaRats, WistarDisease Models, AnimalTime FactorsMastocytomaUrticaria PigmentosaConnective Tissue CellsLeukemia, Basophilic, AcuteProstaglandin D2