Lymphoid Progenitor CellsLymphopoiesisHematopoietic Stem CellsCell LineageCell DifferentiationStem CellsPrecursor Cells, B-LymphoidReceptors, Interleukin-7Myeloid Progenitor CellsBone Marrow CellsB-Cell-Specific Activator ProteinB-LymphocytesInterleukin-7Mice, Inbred C57BLThymus GlandMultipotent Stem CellsHematopoiesisAntigens, CD34Colony-Forming Units AssayMyelopoiesisMyeloid Cellsfms-Like Tyrosine Kinase 3Flow CytometryMice, KnockoutLymphocytesCells, CulturedMice, TransgenicBone MarrowProto-Oncogene Proteins c-kitAntigens, LyAntigens, CD7Stromal CellsT-LymphocytesLeukopoiesisLymphocyte SubsetsHomeodomain ProteinsB-Lymphocyte SubsetsCell SeparationFetal BloodReceptor, Notch1Gene Knock-In TechniquesImmunophenotypingAntigens, CD19Cell ProliferationLymphoid TissueMice, CongenicVDJ RecombinasesFetusReceptors, NotchAntigens, Thy-1Signal TransductionKiller Cells, NaturalTranscription FactorsCoculture TechniquesAntigens, CDBone Marrow TransplantationNeprilysinNeural Stem CellsMembrane ProteinsDNA-Binding ProteinsCell DivisionMice, Mutant StrainsLymphocyte CountErythroid Precursor CellsGene ExpressionTrans-ActivatorsDendritic CellsHematopoietic Stem Cell TransplantationMice, Inbred BALB CCell LinePhenotypeNeurogenesisReverse Transcriptase Polymerase Chain ReactionSpleenGene Expression Regulation, DevelopmentalGene Expression RegulationGene Expression ProfilingPrecursor Cell Lymphoblastic Leukemia-LymphomaStem Cell TransplantationEndothelial CellsStem Cell FactorOligodendrogliaNestinLiverAgingGranulocyte-Macrophage Progenitor CellsT-Lymphocyte SubsetsCell CountBasic Helix-Loop-Helix Transcription FactorsAdult Stem CellsNeuronsInterleukin-3Granulocyte Colony-Stimulating FactorGranulocytesCell MovementEmbryonic Stem CellsErythropoiesisRegenerationHematopoietic Stem Cell MobilizationNerve Tissue Proteins