Sweat GlandsEosinophilsCell DifferentiationInterleukin-5Receptors, Interleukin-5Interleukin-3Interleukin-4Cells, CulturedHematopoietic Stem CellsBone Marrow CellsEosinophil PeroxidaseMice, Inbred BALB CEosinophil Granule ProteinsChemotactic Factors, EosinophilEosinophiliaEosinophil Cationic ProteinChemokine CCL11Eosinophil Major Basic ProteinEosinophil-Derived NeurotoxinStem CellsSignal TransductionGene Expression Regulation, DevelopmentalRNA, MessengerTranscription FactorsCell LineSex DifferentiationCell LineageGene Expression RegulationEmbryonic Stem CellsRibonucleasesCell DivisionCell ProliferationMice, Inbred C57BLReceptors, CCR3Pulmonary EosinophiliaChemokines, CCMolecular Sequence DataChemokine CCL24AsthmaTretinoinMice, KnockoutLeukocyte CountImmunohistochemistryReverse Transcriptase Polymerase Chain ReactionDNA-Binding ProteinsFlow CytometryBase SequenceBlood ProteinsMice, TransgenicCell DegranulationAntigens, Differentiation