Erythroid Precursor CellsErythropoiesisErythroblastsErythropoietinErythroid CellsMacrophagesErythrocytesHematopoietic Stem CellsGlobinsReticulocytesCell DifferentiationCells, CulturedHemoglobinsMacrophage Activationbeta-ThalassemiaMacrophages, PeritonealLeukemia, Erythroblastic, AcuteGlycophorinBone MarrowBone Marrow CellsGATA1 Transcription FactorMacrophages, AlveolarProtein PrecursorsReticulocytosisReceptors, ErythropoietinErythroid-Specific DNA-Binding FactorsPolycythemiaColony-Forming Units AssayHematopoiesisStem CellsMice, Inbred C57BLPolycythemia VeraCell LineageRNA, MessengerCell LineFetal Hemoglobinbeta-GlobinsK562 CellsCell DivisionRed-Cell Aplasia, PureMolecular Sequence DataSpleenThalassemiaFlow CytometryCell SeparationBase Sequencealpha-GlobinsAnemiaYolk SacAntigens, CD34Transcription FactorsAnemia, SideroblasticReceptors, TransferrinGene Expression RegulationMacrophage Colony-Stimulating FactorMegakaryocytesIron RadioisotopesErythrocyte AgingFriend murine leukemia virusApoptosisRecombinant ProteinsPhagocytosisAnemia, Dyserythropoietic, CongenitalStem Cell FactorAnemia, HemolyticGene ExpressionDNA-Binding ProteinsOligodendrogliaLeukemia, ExperimentalMice, KnockoutMutationIronTime FactorsPhenotypeMonocytesSignal TransductionVulvaGene Expression Regulation, DevelopmentalLipopolysaccharidesMyelodysplastic SyndromesFetusFetal BloodLiverHemeAmyloid beta-Protein PrecursorProto-Oncogene ProteinsMice, Inbred BALB CImmunohistochemistryMice, TransgenicNeural Stem CellsKineticsAmino Acid SequenceErythrocyte MembraneMacrophage Migration-Inhibitory FactorsTumor Cells, CulturedCell CountGranulocytesNeuronsCytokinesTumor Necrosis Factor-alpha