Erythroid Precursor CellsReticulocytesErythropoiesisErythropoietinReceptors, ErythropoietinErythroid CellsHematopoietic Stem CellsErythroblastsColony-Forming Units AssayParvovirus B19, HumanStem CellsCell DifferentiationBone Marrow CellsErythrocytesLeukemia, Erythroblastic, AcuteStem Cell FactorReticulocyte CountHematopoiesisCells, CulturedAntigens, CD34Bone MarrowGATA1 Transcription FactorGlobinsPolycythemia VeraFetal HemoglobinCell DivisionAnemiaPolycythemiaErythema InfectiosumK562 CellsGlycophorinErythroid-Specific DNA-Binding FactorsCell SeparationCell LineageFetal BloodInterleukin-3Friend murine leukemia virusProto-Oncogene Proteins c-kitGranulocytesHematopoietic Cell Growth FactorsFlow CytometryMyeloid Progenitor CellsRNA, MessengerHeminRecombinant ProteinsReceptors, TransferrinCell ProliferationSpleen Focus-Forming VirusesSignal TransductionCell LineMice, Inbred C57BLHemoglobinsParvoviridae InfectionsErythrocyte CountGene Expression RegulationSpleenMegakaryocytesBase SequenceSTAT5 Transcription FactorJanus Kinase 2gamma-GlobinsMolecular Sequence DataTranscription FactorsProto-Oncogene ProteinsLeukemia, ExperimentalParvoviridaeNeural Stem CellsApoptosisPhenylhydrazinesDNA-Binding ProteinsRabbitsGene Expression Regulation, DevelopmentalYolk SacCell SurvivalMice, TransgenicTime FactorsAntigens, CD36Gene ExpressionLiverProtein BiosynthesisAntigens, CDBlood CellsReverse Transcriptase Polymerase Chain ReactionEndothelial CellsCell CountBlood Cell CountGranulocyte Colony-Stimulating FactorMice, KnockoutTranscription, GeneticMegakaryocyte Progenitor CellsGATA2 Transcription FactorMultipotent Stem CellsStem Cell TransplantationKineticsBasic Helix-Loop-Helix Transcription FactorsTumor Cells, CulturedMice, Inbred BALB CColony-Stimulating Factorsbeta-ThalassemiaNeurogenesis