Mast CellsCell DifferentiationCell DegranulationHistamine ReleaseCells, CulturedTryptasesChymasesReceptors, IgEp-Methoxy-N-methylphenethylamineImmunoglobulin EMastocytosisSignal TransductionStem CellsCell LineRNA, MessengerProto-Oncogene Proteins c-kitMice, Inbred C57BLTranscription FactorsCell DivisionGene Expression Regulation, DevelopmentalGene Expression RegulationStem Cell FactorCromolyn SodiumSex DifferentiationCell LineageHistamineCell ProliferationMice, KnockoutEmbryonic Stem CellsCell CountSerine EndopeptidasesAnaphylaxisMastocytosis, SystemicBone Marrow CellsMolecular Sequence DataImmunohistochemistryReverse Transcriptase Polymerase Chain ReactionTretinoinPeritoneal CavityBase SequenceDNA-Binding ProteinsGene ExpressionPassive Cutaneous AnaphylaxisBasophilsSkinPhenotypebeta-N-AcetylhexosaminidasesMice, TransgenicCytoplasmic GranulesLeukemia, Mast-CellCarboxypeptidases AMice, Mutant StrainsAntigens, DifferentiationFlow CytometryMice, Inbred BALB CKetotifenHematopoietic Stem CellsOsteogenesisHomeodomain ProteinsOsteoblastsTime FactorsTranscription, GeneticCell Culture TechniquesAdipogenesisTumor Cells, CulturedMesenchymal Stromal CellsInterleukin-3CytokinesUp-RegulationTransfectionBlotting, WesternThioxanthenesDown-RegulationTrans-ActivatorsNeuronsIn Situ HybridizationCell SurvivalAmino Acid SequenceMyoblastsCoculture TechniquesKeratinocytesPromoter Regions, GeneticTolonium ChlorideGene Expression ProfilingHypersensitivityMast-Cell SarcomaApoptosisPhosphorylationEmbryo, MammalianMuscle DevelopmentConnective Tissue CellsAdipocytesInterleukin-4Models, BiologicalMutationEpidermisBasic Helix-Loop-Helix Transcription FactorsMembrane ProteinsProto-Oncogene ProteinsDNA Primers