Hematopoietic Stem CellsAntigens, CD34Stem Cell FactorHematopoietic Cell Growth FactorsColony-Forming Units AssayBone Marrow CellsCell DivisionHematopoiesisAntigens, CDCell ProliferationInterleukin-3Bone MarrowCell DifferentiationCells, CulturedFetal BloodCell LineageStem CellsErythroid Precursor CellsThrombopoietinCell SeparationGranulocyte Colony-Stimulating FactorFlow CytometryGranulocytesInterleukin-11Mice, Inbred C57BLGranulocyte-Macrophage Colony-Stimulating FactorADP-ribosyl CyclaseAntigens, CD38Myeloid Progenitor CellsRecombinant ProteinsDrug SynergismClone CellsHematopoietic Stem Cell MobilizationSignal TransductionHLA-DR AntigensProto-Oncogene Proteins c-kitHematopoietic Stem Cell TransplantationApoptosisErythropoiesisMegakaryocytesCell MovementGranulocyte-Macrophage Progenitor CellsCell LineCell CycleMice, KnockoutCell SurvivalStromal CellsCell CountMultipotent Stem CellsChemokine CXCL12Gene Expression Regulation, DevelopmentalCell Culture TechniquesMice, TransgenicBlood Cell CountFluorouracilMyelopoiesisRetroviridaeErythropoietinRNA, MessengerReverse Transcriptase Polymerase Chain ReactionMice, SCIDTranscription FactorsHematopoiesis, ExtramedullaryBlood CellsTime FactorsPrimitive StreakNeuroectodermal Tumors, PrimitiveLeukapheresisColony-Stimulating FactorsTransduction, GeneticEndothelial CellsGenetic VectorsGene Expression RegulationAntigens, DifferentiationCell Line, TumorHematopoietic SystemCell AdhesionGene ExpressionGrowth SubstancesNeural Stem CellsProto-Oncogene ProteinsHomeodomain ProteinsImmunohistochemistryYolk SacMolecular Sequence DataBromodeoxyuridineBone Marrow TransplantationT-LymphocytesTumor Cells, CulturedImmunophenotypingBase SequenceDNA-Binding ProteinsMice, Inbred BALB CTransfectionMyeloid CellsEmbryo, MammalianLymphopoiesisPhenotypeCoculture TechniquesLymphoid Progenitor Cells