Lymphoid Progenitor CellsHematopoietic Stem CellsLymphopoiesisStem CellsCell LineageCell DifferentiationBone Marrow CellsMyeloid Progenitor CellsPrecursor Cells, B-LymphoidAntigens, CD34Receptors, Interleukin-7Colony-Forming Units AssayHematopoiesisMice, Inbred C57BLMultipotent Stem CellsB-LymphocytesCells, CulturedB-Cell-Specific Activator ProteinInterleukin-7Flow CytometryThymus GlandBone MarrowMice, TransgenicMice, KnockoutCell ProliferationMyelopoiesisProto-Oncogene Proteins c-kitMyeloid CellsLymphocyte SubsetsCell SeparationFetal Bloodfms-Like Tyrosine Kinase 3Neural Stem CellsLymphocytesStromal CellsAntigens, LyHomeodomain ProteinsT-LymphocytesB-Lymphocyte SubsetsAntigens, CDImmunophenotypingSignal TransductionLeukopoiesisEndothelial CellsAntigens, CD7Receptor, Notch1Transcription FactorsStem Cell TransplantationErythroid Precursor CellsCell DivisionReceptors, NotchGene Knock-In TechniquesBone Marrow TransplantationNeurogenesisFetusAntigens, CD19Antigens, Thy-1Coculture TechniquesHematopoietic Stem Cell TransplantationT-Lymphocyte SubsetsLymphoid TissueAdult Stem CellsMice, CongenicGene Expression Regulation, DevelopmentalKiller Cells, NaturalHematopoietic Stem Cell MobilizationCell CountPhenotypeGranulocyte Colony-Stimulating FactorNestinMembrane ProteinsStem Cell FactorVDJ RecombinasesCell MovementDNA-Binding ProteinsGene ExpressionReverse Transcriptase Polymerase Chain ReactionRegenerationOligodendrogliaCell LineNeuronsMice, Mutant StrainsGene Expression RegulationGranulocytesMice, Inbred BALB CChemokine CXCL12Gene Expression ProfilingInterleukin-3Neovascularization, PhysiologicDendritic CellsTrans-ActivatorsNeprilysinSpleenBasic Helix-Loop-Helix Transcription FactorsCell Culture TechniquesLymphocyte CountNerve Tissue ProteinsEmbryonic Stem CellsFetal Stem CellsMesenchymal Stromal Cells