MegakaryocytesMegakaryocyte Progenitor CellsThrombopoietinHematopoietic Stem CellsThrombopoiesisBone Marrow CellsHematopoiesisColony-Forming Units AssayReceptors, ThrombopoietinInterleukin-3Antigens, CD34Cell DifferentiationStem CellsThrombocytopeniaStem Cell FactorPloidiesCells, CulturedBlood PlateletsBone MarrowErythropoietinGranulocyte-Macrophage Colony-Stimulating FactorCell LineageCell DivisionRecombinant ProteinsMyeloid Progenitor CellsHematopoietic Stem Cell TransplantationErythroid Precursor CellsPlatelet CountMice, Inbred C57BLFlow CytometryHematopoietic SystemThrombocytosisFetal BloodCell ProliferationPlatelet Membrane Glycoprotein IIbGranulocytesGATA1 Transcription FactorCell SeparationNeural Stem CellsHematopoietic Cell Growth FactorsAntigens, CDGranulocyte Colony-Stimulating FactorMultipotent Stem CellsMice, TransgenicCell CountEndothelial CellsSignal TransductionMice, KnockoutBlood CellsCell LineColony-Stimulating FactorsHematopoietic Stem Cell MobilizationErythropoiesisStem Cell TransplantationProto-Oncogene Proteins c-kitRetroviridaeGene Expression Regulation, DevelopmentalTranscription FactorsMegakaryocyte-Erythroid Progenitor CellsPlatelet Factor 4Proto-Oncogene ProteinsLymphoid Progenitor CellsBone Marrow TransplantationNeurogenesisAdult Stem CellsChemokine CXCL12Receptors, CytokineCell Culture TechniquesBlood Cell CountErythroid-Specific DNA-Binding FactorsGene Expression RegulationTransplantation, HomologousCell MovementCell SurvivalTime FactorsLeukemiaRNA, MessengerMolecular Sequence DataMice, SCIDInterleukin-11NestinGrowth SubstancesRegenerationBase SequenceReverse Transcriptase Polymerase Chain ReactionWhole-Body IrradiationStromal CellsGenetic VectorsHomeodomain ProteinsHematopoiesis, ExtramedullaryPolyploidyGreen Fluorescent ProteinsK562 CellsOligodendrogliaDNA-Binding ProteinsApoptosisEmbryo, MammalianErythroid CellsLeukemia, Megakaryoblastic, AcuteClone Cells