Erythroid Precursor CellsErythropoiesisErythroblastsErythropoietinErythroid CellsLymphocytesErythrocytesHematopoietic Stem CellsGlobinsReticulocytesCell DifferentiationCells, CulturedHemoglobinsbeta-ThalassemiaLymphocyte ActivationLeukemia, Erythroblastic, AcuteGlycophorinBone MarrowGATA1 Transcription FactorBone Marrow CellsProtein PrecursorsReticulocytosisReceptors, ErythropoietinErythroid-Specific DNA-Binding FactorsPolycythemiaColony-Forming Units AssayHematopoiesisSpleenStem CellsPolycythemia VeraCell LineageT-LymphocytesFetal HemoglobinCell DivisionK562 CellsFlow Cytometrybeta-GlobinsMolecular Sequence DataCell SeparationRed-Cell Aplasia, PureThalassemiaRNA, MessengerLymphocyte SubsetsBase Sequencealpha-GlobinsMice, Inbred C57BLCell LineAnemiaAntigens, CD34Receptors, TransferrinYolk SacAnemia, SideroblasticB-LymphocytesLymphocyte CountTranscription FactorsMegakaryocytesIron RadioisotopesFriend murine leukemia virusErythrocyte AgingAnemia, Dyserythropoietic, CongenitalApoptosisStem Cell FactorAnemia, HemolyticDNA-Binding ProteinsRecombinant ProteinsGene Expression RegulationLeukemia, ExperimentalOligodendrogliaGene ExpressionPhenotypeMutationTime FactorsFetal BloodVulvaGene Expression Regulation, DevelopmentalMyelodysplastic SyndromesIronFetusMacrophagesAmino Acid SequenceAmyloid beta-Protein PrecursorHemeProto-Oncogene ProteinsLymphocyte Culture Test, MixedTumor Cells, CulturedLiverAntigens, CDSignal TransductionNeural Stem CellsMice, TransgenicKineticsErythrocyte MembraneClone CellsThymus GlandCell ProliferationT-Lymphocytes, CytotoxicGranulocytesMice, Inbred BALB CPhytohemagglutininsAntibodies, Monoclonal