MegakaryocytesErythroid Precursor CellsErythropoiesisErythroid CellsErythropoietinHematopoietic Stem CellsErythroblastsThrombopoietinColony-Forming Units AssayMegakaryocyte Progenitor CellsReceptors, ErythropoietinCell DifferentiationHematopoiesisThrombopoiesisBone Marrow CellsGATA1 Transcription FactorStem Cell FactorStem CellsBone MarrowLeukemia, Erythroblastic, AcuteAntigens, CD34ErythrocytesCells, CulturedInterleukin-3Cell LineageErythroid-Specific DNA-Binding FactorsPolycythemia VeraPolycythemiaReceptors, ThrombopoietinFetal HemoglobinThrombocytosisParvovirus B19, HumanGlobinsPloidiesCell DivisionThrombocytopeniaBlood PlateletsFetal BloodPlatelet CountMyeloid Progenitor CellsGranulocytesK562 CellsHematopoietic Cell Growth Factorsgamma-GlobinsRecombinant ProteinsCell SeparationFlow CytometryProto-Oncogene Proteins c-kitColony-Stimulating FactorsPlatelet Membrane Glycoprotein IIbYolk SacAnemiaMice, Inbred C57BLGlycophorinProto-Oncogene ProteinsGATA2 Transcription FactorTranscription FactorsGene Expression RegulationCell LineSignal TransductionMegakaryocyte-Erythroid Progenitor CellsNF-E2 Transcription Factor, p45 SubunitNF-E2 Transcription FactorFriend murine leukemia virusSpleenRNA, MessengerLeukemia, Megakaryoblastic, AcuteCell ProliferationGranulocyte-Macrophage Colony-Stimulating FactorMice, TransgenicGene Expression Regulation, DevelopmentalBase SequenceBlood CellsAntigens, CDPlatelet Factor 4DNA-Binding ProteinsMice, KnockoutMolecular Sequence DataBlood Cell CountErythema InfectiosumCell CountGrowth SubstancesErythrocyte CountHematopoiesis, ExtramedullaryJanus Kinase 2beta-GlobinsReceptors, TransferrinCulture Media, Serum-FreeGranulocyte Colony-Stimulating FactorReticulocytesReceptors, CytokineHemoglobinsClone Cellsbeta-ThalassemiaRetroviridaePhenylhydrazinesFurylfuramideTime FactorsThrombocythemia, EssentialSTAT5 Transcription Factor