ErythropoietinReceptors, ErythropoietinErythropoiesisAnemiaPolycythemiaRecombinant ProteinsErythroid Precursor CellsHematocritHemoglobinsErythroblastsReticulocyte CountCell Adhesion MoleculesHematinicsMolecular Sequence DataErythrocyte CountCell LineLeukemia, Erythroblastic, AcuteCells, CulturedSignal TransductionJanus Kinase 2Amino Acid SequenceBase SequenceKidney Failure, ChronicSpleen Focus-Forming VirusesHematopoietic Stem CellsInterleukin-3Anemia, NeonatalRenal DialysisRNA, MessengerIronSTAT5 Transcription FactorColony-Forming Units AssayAnoxiaProtein BindingInjections, SubcutaneousSmall Molecule LibrariesErythrocytesCell DivisionKineticsPolycythemia VeraCell DifferentiationTime FactorsBinding SitesMice, Inbred C57BLBone Marrow CellsGene Expression RegulationBone MarrowTransfectionDose-Response Relationship, DrugModels, MolecularMilk ProteinsHypoxia-Inducible Factor 1Blood TransfusionDoping in SportsReticulocytesPhenylhydrazinesHematopoiesisFriend murine leukemia virusStem Cell FactorReceptors, Cell SurfacePhosphorylationHypoxia-Inducible Factor 1, alpha SubunitTumor Cells, CulturedDNARecombinant Fusion ProteinsProtein ConformationPhlebotomyErythrocyte VolumeApoptosisFerritinsGene ExpressionAntigens, CDNeuroprotective AgentsKidneyAntibodies, MonoclonalCell HypoxiaDNA-Binding ProteinsAnemia, HypochromicBlotting, WesternErythroid CellsNeural Cell Adhesion MoleculesMutationMolecular WeightCobaltProtein Structure, TertiaryImmunohistochemistryProto-Oncogene ProteinsSpleenModels, BiologicalMice, TransgenicCell AdhesionBloodlettingMice, Inbred BALB CReceptors, TransferrinStructure-Activity RelationshipLigandsTyrosineGATA1 Transcription FactorCell SurvivalElectrophoresis, Polyacrylamide Gel