Cell DifferentiationErythropoiesisHematopoiesisStem CellsEndothelial CellsCells, CulturedNeovascularization, PhysiologicHematopoietic Stem CellsAntigens, CD34Cell LineageBlood CellsBone Marrow CellsStem Cell TransplantationCell ProliferationFlow CytometryEndothelium, VascularMice, Inbred C57BLSignal TransductionVascular Endothelial Growth Factor Receptor-2Gene Expression Regulation, DevelopmentalColony-Forming Units AssayCell CountCell MovementEmbryonic Stem CellsTranscription FactorsIschemiaCell DivisionMyeloid Progenitor CellsFetal BloodMice, TransgenicAntigens, CDGene Expression RegulationMice, KnockoutMesenchymal Stromal CellsRNA, MessengerHindlimbCell LineChemokine CXCL12HemangioblastsPhenotypeRegenerationErythrocytesBiological MarkersReverse Transcriptase Polymerase Chain ReactionCell SeparationVascular Endothelial Growth Factor ACell Culture TechniquesTime FactorsImmunohistochemistryAntigens, CD31Homeodomain ProteinsBlood Cell CountCell AdhesionAdult Stem CellsApoptosisNeovascularization, PathologicBasic Helix-Loop-Helix Transcription FactorsTretinoinErythroid Precursor CellsNeural Stem CellsMolecular Sequence DataBone MarrowDNA-Binding ProteinsGene ExpressionAntigens, DifferentiationCell SurvivalEmbryo, MammalianGlycoproteinsHematopoietic Stem Cell MobilizationBase SequenceGene Expression ProfilingRats, NudeBlotting, WesternModels, BiologicalCell AgingNeuronsDisease Models, AnimalLeukocytes, MononuclearCoculture TechniquesUp-RegulationPeptidesTransfectionSex DifferentiationNeurogenesisErythropoietinDown-RegulationReceptors, NotchMembrane ProteinsIn Situ HybridizationFetal Stem CellsGreen Fluorescent ProteinsBlood VesselsMultipotent Stem CellsGranulocytesLymphoid Progenitor CellsTrans-ActivatorsB-LymphocytesOsteogenesisPromoter Regions, GeneticTranscription, Genetic