HematopoiesisHemangioblastsYolk SacZebrafish ProteinsZebrafishGATA1 Transcription FactorHematopoietic Stem CellsEmbryo, NonmammalianGene Expression Regulation, DevelopmentalHematopoiesis, ExtramedullaryCell LineageNeuroectodermal Tumors, PrimitivePrimitive StreakIn Situ HybridizationValproic AcidAnimals, Genetically ModifiedCell DifferentiationNeuroectodermal Tumors, Primitive, PeripheralColony-Forming Units AssayBone Marrow CellsAntigens, CD34ErythropoiesisBone MarrowHematopoietic SystemGastrulaNeuroectodermal TumorsMyelopoiesisEndodermErythroid Precursor CellsStem Cell FactorCells, CulturedHematopoietic Cell Growth FactorsEmbryo, MammalianMesodermErythroid CellsMice, Inbred C57BLCore Binding Factor Alpha 2 SubunitInterleukin-3Molecular Sequence DataStem CellsCell DivisionTranscription FactorsErythroblastsMegakaryocytesMyeloid Progenitor CellsFetal BloodGranulocytesADP-ribosyl CyclaseFlow CytometryGATA2 Transcription FactorChimeraAntigens, CDBase SequenceAntigens, CD38Mice, KnockoutProto-Oncogene Proteins c-kitProto-Oncogene ProteinsSignal TransductionDNA-Binding ProteinsHematopoietic Stem Cell TransplantationEmbryonic Stem CellsGerm LayersGranulocyte Colony-Stimulating FactorLymphopoiesisHomeodomain ProteinsMesonephrosChick EmbryoCell SeparationPlatelet Membrane Glycoprotein IIbStromal CellsMice, TransgenicEmbryonic and Fetal DevelopmentMice, SCIDBlood CellsTime FactorsMyeloid CellsRNA, MessengerBone Marrow TransplantationSpleenSarcoma, EwingBody PatterningPhenotypeAmino Acid SequenceMedulloblastomaCell LineGene ExpressionNAD+ NucleosidaseGranulocyte-Macrophage Colony-Stimulating FactorReverse Transcriptase Polymerase Chain ReactionBiological EvolutionEctodermFetusEmbryonic DevelopmentLeukemiaModels, BiologicalLeukopoiesisBlood Cell CountFossilsBlastodermAntigens, Differentiation