MegakaryocytesMegakaryocyte Progenitor CellsThrombopoietinHematopoietic Stem CellsThrombopoiesisBone Marrow CellsReceptors, ThrombopoietinColony-Forming Units AssayHematopoiesisInterleukin-3Antigens, CD34Stem CellsThrombocytopeniaCell DifferentiationStem Cell FactorPloidiesBlood PlateletsCells, CulturedBone MarrowErythropoietinGranulocyte-Macrophage Colony-Stimulating FactorCell DivisionCell LineageRecombinant ProteinsMyeloid Progenitor CellsPlatelet CountThrombocytosisErythroid Precursor CellsNeural Stem CellsMice, Inbred C57BLCell ProliferationPlatelet Membrane Glycoprotein IIbFlow CytometryGATA1 Transcription FactorFetal BloodMultipotent Stem CellsCell SeparationEndothelial CellsCell CountGranulocytesGranulocyte Colony-Stimulating FactorStem Cell TransplantationColony-Stimulating FactorsMice, TransgenicMegakaryocyte-Erythroid Progenitor CellsPlatelet Factor 4Antigens, CDNeurogenesisHematopoietic Stem Cell MobilizationLymphoid Progenitor CellsGene Expression Regulation, DevelopmentalAdult Stem CellsErythropoiesisMice, KnockoutSignal TransductionBlood Cell CountNestinReceptors, CytokineHematopoietic Stem Cell TransplantationHematopoietic Cell Growth FactorsChemokine CXCL12Proto-Oncogene Proteins c-kitOligodendrogliaTranscription FactorsCell Culture TechniquesInterleukin-11RegenerationErythroid-Specific DNA-Binding FactorsCell MovementPolyploidyThrombocythemia, EssentialNeuronsBlood CellsCell SurvivalNeovascularization, PhysiologicNF-E2 Transcription FactorGrowth SubstancesTime Factors