Embryonic Stem CellsCell DifferentiationStem CellsEmbryo, MammalianGene Expression Regulation, DevelopmentalBlood VesselsCells, CulturedPluripotent Stem CellsCell LineageNeovascularization, PhysiologicSignal TransductionCell LineTranscription FactorsOctamer Transcription Factor-3Embryo, NonmammalianCell ProliferationRNA, MessengerHomeodomain ProteinsHematopoietic Stem CellsMice, Inbred C57BLMice, KnockoutGene Expression RegulationStem Cell TransplantationEmbryonic DevelopmentCell Culture TechniquesMolecular Sequence DataReverse Transcriptase Polymerase Chain ReactionZebrafishMice, TransgenicCell DivisionBase SequenceDNA-Binding ProteinsPhenotypeTeratomaImmunohistochemistryEndothelial CellsTretinoinIn Situ HybridizationGene Expression ProfilingMesodermInduced Pluripotent Stem CellsEndodermEmbryo LossYolk SacBlastocystGene ExpressionMorphogenesisReceptors, NotchVascular Endothelial Growth Factor AEmbryoid BodiesNeural Stem CellsSOXB1 Transcription FactorsRetinal VesselsEmbryonic and Fetal DevelopmentGene TargetingModels, BiologicalTranscription, GeneticBasic Helix-Loop-Helix Transcription FactorsCell MovementPromoter Regions, GeneticAdult Stem CellsMutationZebrafish ProteinsNeoplastic Stem CellsTime FactorsGreen Fluorescent ProteinsMesenchymal Stromal CellsChimeraVascular Endothelial Growth Factor Receptor-2Flow CytometryTrans-ActivatorsChick EmbryoNuclear ProteinsNeuronsTotipotent Stem CellsTransfectionDNA PrimersBlotting, WesternBone Morphogenetic ProteinsHematopoiesisCell SurvivalEndothelium, VascularCoculture TechniquesBiological MarkersCarcinoma, EmbryonalRepressor ProteinsCell CycleAmino Acid SequenceApoptosisPlant StemsGerm CellsMultipotent Stem CellsEphrin-B2PregnancyLeukemia Inhibitory FactorReceptor, TIE-2Embryonal Carcinoma Stem CellsReceptor, TIE-1Down-RegulationTransgenes