Stem CellsHematopoietic Stem CellsCell DifferentiationMyeloid Progenitor CellsCell LineageAntigens, CD34Bone Marrow CellsColony-Forming Units AssayLymphoid Progenitor CellsNeural Stem CellsCells, CulturedHematopoiesisErythroid Precursor CellsCell ProliferationMultipotent Stem CellsMice, Inbred C57BLNeurogenesisGene Expression Regulation, DevelopmentalBone MarrowFlow CytometryMice, TransgenicStem Cell TransplantationCell SeparationEndothelial CellsFetal BloodCell DivisionStem Cell FactorOligodendrogliaNestinGranulocyte-Macrophage Progenitor CellsCell CountBasic Helix-Loop-Helix Transcription FactorsAdult Stem CellsHomeodomain ProteinsSignal TransductionNeuronsInterleukin-3Granulocyte Colony-Stimulating FactorGranulocytesCell MovementEmbryonic Stem CellsMice, KnockoutAntigens, CDErythropoiesisRegenerationProto-Oncogene Proteins c-kitHematopoietic Stem Cell MobilizationNerve Tissue ProteinsTranscription FactorsLymphopoiesisMegakaryocytesCell Culture TechniquesEmbryo, MammalianBromodeoxyuridineErythropoietinHematopoietic Stem Cell TransplantationNeurogliaTelencephalonChemokine CXCL12Receptors, NotchImmunohistochemistryMesenchymal Stromal CellsNeoplastic Stem CellsNeovascularization, PhysiologicFetal Stem CellsPhenotypeGreen Fluorescent ProteinsHematopoietic Cell Growth FactorsStem Cell NicheMegakaryocyte Progenitor CellsCell SurvivalIntermediate Filament ProteinsMyelopoiesisGranulocyte-Macrophage Colony-Stimulating FactorReverse Transcriptase Polymerase Chain ReactionStromal CellsTime FactorsBiological MarkersMice, SCIDBlood CellsLateral VentriclesThrombopoietinThymus GlandMegakaryocyte-Erythroid Progenitor CellsClone CellsBone Marrow TransplantationCell LineGene Expression RegulationCell CycleRecombinant ProteinsLeukapheresisRetroviridaeApoptosisOrganogenesisImmunophenotypingCoculture TechniquesIn Situ HybridizationLIM-Homeodomain ProteinsMesodermAntigens, Differentiation