Cell DifferentiationHematopoiesisHematopoietic Stem CellsEmbryonic Stem CellsCell LineageGene Expression Regulation, DevelopmentalEmbryo, MammalianCells, CulturedTranscription FactorsStem CellsCell LineHematopoietic SystemSignal TransductionBlood VesselsGene Expression RegulationErythroid CellsRNA, MessengerHemangioblastsHomeodomain ProteinsNeovascularization, PhysiologicDNA-Binding ProteinsCell DivisionCell ProliferationPhenotypeMolecular Sequence DataAntigens, CD34Mice, Inbred C57BLMice, KnockoutReverse Transcriptase Polymerase Chain ReactionEmbryo, NonmammalianBase SequenceBone Marrow CellsMesodermCoculture TechniquesCell Culture TechniquesGATA1 Transcription FactorGene Expression ProfilingStromal CellsGene ExpressionProto-Oncogene ProteinsMyeloid Progenitor CellsGATA2 Transcription FactorZebrafishInduced Pluripotent Stem CellsFlow CytometryPromoter Regions, GeneticCore Binding Factor Alpha 2 SubunitTranscription, GeneticMice, TransgenicTretinoinIn Situ HybridizationMutationModels, BiologicalColony-Forming Units AssayAntigens, CD45ImmunohistochemistryRepressor ProteinsOncogene Proteins, FusionTransfectionSex DifferentiationEmbryonic DevelopmentMorphogenesisErythroid Precursor CellsErythropoiesisMegakaryocytesReceptors, NotchEndothelial CellsLeukemiaBasic Helix-Loop-Helix Transcription FactorsYolk SacChick EmbryoEmbryo LossTrans-ActivatorsZebrafish ProteinsRetinal VesselsVascular Endothelial Growth Factor AFetal BloodCell MovementTime FactorsLeukemia, MyeloidNuclear ProteinsCell SeparationAmino Acid SequenceBlotting, WesternOsteogenesisEmbryonic and Fetal DevelopmentCell CycleOsteoblastsDNA PrimersApoptosisAntigens, DifferentiationBone Morphogenetic ProteinsMesenchymal Stromal CellsBone MarrowDown-RegulationTumor Cells, CulturedMembrane ProteinsUp-RegulationAdipogenesisNeurons