Cell DifferentiationStem CellsEmbryonic Stem CellsHematopoietic Stem CellsBlood VesselsGene Expression Regulation, DevelopmentalStem Cell TransplantationCells, CulturedAdult Stem CellsPluripotent Stem CellsCell LineageNeovascularization, PhysiologicEmbryo, MammalianSignal TransductionCell ProliferationNeural Stem CellsTranscription FactorsEmbryo, NonmammalianStem Cell NicheHematopoietic Stem Cell TransplantationMesenchymal Stromal CellsInduced Pluripotent Stem CellsMice, Inbred C57BLCell LineRNA, MessengerMultipotent Stem CellsCell DivisionMice, KnockoutZebrafishGene Expression RegulationMice, TransgenicMolecular Sequence DataMesenchymal Stem Cell TransplantationPhenotypeEmbryonic DevelopmentReverse Transcriptase Polymerase Chain ReactionStem Cell FactorHomeodomain ProteinsImmunohistochemistryEndothelial CellsBase SequenceIn Situ HybridizationDNA-Binding ProteinsReceptors, NotchCell Culture TechniquesYolk SacCell MovementMesodermMorphogenesisEmbryo LossVascular Endothelial Growth Factor ATretinoinRetinal VesselsBone Marrow CellsOctamer Transcription Factor-3Models, BiologicalGene Expression ProfilingGene ExpressionHematopoiesisFlow CytometryBasic Helix-Loop-Helix Transcription FactorsTime FactorsZebrafish ProteinsMutationFetal Stem CellsTranscription, GeneticChick EmbryoEmbryonic and Fetal DevelopmentNeoplastic Stem CellsPromoter Regions, GeneticCell SurvivalCell CycleNuclear ProteinsTeratomaPlant StemsTrans-ActivatorsBlotting, WesternEndothelium, VascularStem Cell ResearchApoptosisRegenerationEphrin-B2Green Fluorescent ProteinsNeuronsTransfectionReceptor, TIE-2Amino Acid SequencePregnancyDNA PrimersVascular Endothelial Growth Factor Receptor-2EndodermBone Morphogenetic ProteinsReceptor, TIE-1BlastocystBiological MarkersCell SeparationMembrane ProteinsGerm CellsCoculture TechniquesRepressor Proteins