Cell DifferentiationErythropoiesisHematopoiesisStem CellsHematopoietic Stem CellsCell LineageCells, CulturedGene Expression Regulation, DevelopmentalMyeloid Progenitor CellsBlood CellsBone Marrow CellsCell ProliferationAntigens, CD34Signal TransductionMice, Inbred C57BLEmbryonic Stem CellsTranscription FactorsCell DivisionColony-Forming Units AssayNeural Stem CellsMice, TransgenicFlow CytometryCell LineHomeodomain ProteinsGene Expression RegulationMice, KnockoutLymphoid Progenitor CellsErythrocytesErythroid Precursor CellsRNA, MessengerBasic Helix-Loop-Helix Transcription FactorsNeurogenesisMultipotent Stem CellsReverse Transcriptase Polymerase Chain ReactionPhenotypeCell SeparationNeuronsImmunohistochemistryMolecular Sequence DataDNA-Binding ProteinsCell Culture TechniquesEmbryo, MammalianBone MarrowFetal BloodTretinoinMesenchymal Stromal CellsBase SequenceGranulocytesTime FactorsGene ExpressionAntigens, CDCell CountReceptors, NotchNerve Tissue ProteinsStem Cell TransplantationCell MovementOligodendrogliaAntigens, DifferentiationEndothelial CellsIn Situ HybridizationGene Expression ProfilingRegenerationStem Cell FactorAdult Stem CellsBlood Cell CountNestinModels, BiologicalCell SurvivalBiological MarkersB-LymphocytesTrans-ActivatorsCell CycleOsteogenesisApoptosisMegakaryocytesRepressor ProteinsBromodeoxyuridineInterleukin-3Epithelial CellsMesodermTranscription, GeneticMembrane ProteinsOsteoblastsCoculture TechniquesThymus GlandSex DifferentiationProto-Oncogene Proteins c-kitGreen Fluorescent ProteinsLymphopoiesisTransfectionMutationBlotting, WesternGranulocyte Colony-Stimulating FactorPromoter Regions, GeneticErythropoietinMuscle DevelopmentRecombinant ProteinsTumor Cells, CulturedGranulocyte-Macrophage Progenitor CellsDown-Regulation