Hematopoietic Stem CellsCell DifferentiationAntigens, CD34Myeloid CellsColony-Forming Units AssayBone Marrow CellsHematopoiesisStem CellsCells, CulturedCell ProliferationCell LineageBone MarrowInterleukin-3Stem Cell FactorFetal BloodCell DivisionMyeloid Progenitor CellsFlow CytometryMice, Inbred C57BLGranulocytesGranulocyte Colony-Stimulating FactorErythroid Precursor CellsAntigens, CDHematopoietic Cell Growth FactorsSignal TransductionCell SeparationGranulocyte-Macrophage Colony-Stimulating FactorHematopoietic Stem Cell MobilizationCell LineMice, KnockoutProto-Oncogene Proteins c-kitMyelopoiesisHematopoietic Stem Cell TransplantationMegakaryocytesGranulocyte-Macrophage Progenitor CellsTranscription FactorsGene Expression Regulation, DevelopmentalRecombinant ProteinsMice, TransgenicApoptosisErythropoiesisRNA, MessengerGene Expression RegulationCell MovementCell Culture TechniquesMultipotent Stem CellsStromal CellsCell SurvivalAntigens, DifferentiationReverse Transcriptase Polymerase Chain ReactionChemokine CXCL12Cell CountRetroviridaeCell CycleErythropoietinBlood Cell CountBlood CellsTime FactorsMolecular Sequence DataColony-Stimulating FactorsMice, SCIDHematopoiesis, ExtramedullaryHomeodomain ProteinsGene ExpressionThrombopoietinDNA-Binding ProteinsProto-Oncogene ProteinsBase SequenceTransduction, GeneticNeural Stem CellsGenetic VectorsEmbryonic Stem CellsLeukapheresisCell AdhesionEndothelial CellsTumor Cells, CulturedADP-ribosyl CyclasePhenotypeGrowth SubstancesHematopoietic SystemImmunophenotypingImmunohistochemistryAntigens, CD38T-LymphocytesMacrophagesTransfectionHL-60 CellsMice, Inbred BALB CLeukemia, MyeloidLeukopoiesisLymphopoiesisCoculture TechniquesBone Marrow TransplantationEmbryo, MammalianK562 CellsClone CellsMembrane ProteinsMonocytesLymphoid Progenitor CellsBlotting, Western