Hematopoietic Stem CellsStem CellsCell DifferentiationCell LineageCell ProliferationHematopoietic Stem Cell TransplantationSignal TransductionAntigens, CD34Bone Marrow CellsHematopoiesisColony-Forming Units AssayMyeloid Progenitor CellsCells, CulturedMice, Inbred C57BLStem Cell TransplantationNeural Stem CellsHematopoietic Stem Cell MobilizationFlow CytometryBone MarrowAdult Stem CellsFetal BloodMultipotent Stem CellsCell SeparationStem Cell FactorMice, TransgenicCell DivisionEndothelial CellsStem Cell NicheErythroid Precursor CellsLymphoid Progenitor CellsMice, KnockoutCell CountAntigens, CDGene Expression Regulation, DevelopmentalGranulocyte Colony-Stimulating FactorNeoplastic Stem CellsCell Culture TechniquesNeurogenesisRegenerationCell MovementProto-Oncogene Proteins c-kitMesenchymal Stromal CellsMice, SCIDFetal Stem CellsBone Marrow TransplantationChemokine CXCL12NestinInterleukin-3GranulocytesPhenotypeTransplantation, HomologousHomeodomain ProteinsTime FactorsCell EnlargementCell SurvivalNeuronsBasic Helix-Loop-Helix Transcription FactorsOligodendrogliaTranscription FactorsClone CellsReverse Transcriptase Polymerase Chain ReactionGreen Fluorescent ProteinsHematopoietic SystemTransplantation, AutologousMegakaryocytesEmbryonic Stem CellsEmbryo, MammalianMice, Inbred NODGranulocyte-Macrophage Progenitor CellsNeovascularization, PhysiologicErythropoiesisNerve Tissue ProteinsCoculture TechniquesThrombopoietinImmunohistochemistryHematopoietic Cell Growth FactorsBlood CellsRetroviridaeCell CycleStromal CellsLymphopoiesisImmunophenotypingMyelopoiesisBiological MarkersTransduction, GeneticGene Expression RegulationReceptors, NotchBromodeoxyuridineErythropoietinLeukapheresisCell LineApoptosisBlood Cell CountMyeloid CellsGenetic VectorsReceptors, CXCR4T-LymphocytesGene ExpressionAntigens, CD38Gene Expression Profiling