Pluripotent Stem CellsEmbryonic Stem CellsInduced Pluripotent Stem CellsCell DifferentiationStem CellsCell Culture TechniquesEmbryoid BodiesFeeder CellsOctamer Transcription Factor-3Cell LineageNuclear ReprogrammingStem Cell TransplantationGerm LayersCells, CulturedRegenerative MedicineNeural Stem CellsCell LineHematopoietic Stem CellsSOXB1 Transcription FactorsGene Expression Regulation, DevelopmentalTeratomaEmbryo, MammalianEndodermActivinsStem Cell ResearchCell ProliferationAdult Stem CellsGene Expression ProfilingMyocytes, CardiacTranscription FactorsHomeodomain ProteinsSignal TransductionCell DedifferentiationX Chromosome InactivationHemangioblastsBiological MarkersReverse Transcriptase Polymerase Chain ReactionBone Morphogenetic Protein 4Gene Expression RegulationFibroblastsMesenchymal Stromal CellsTissue EngineeringCell SeparationWnt Signaling PathwayFlow CytometryLeukemia Inhibitory FactorStage-Specific Embryonic AntigensGene TargetingEpigenesis, GeneticNeuroepithelial CellsModels, BiologicalKaryotypingMultipotent Stem CellsCoculture TechniquesMesodermNeuronsHematopoiesisMice, SCIDPhenotypeStem Cell NicheFetal ProteinsGene ExpressionAntigens, DifferentiationHematopoietic Stem Cell TransplantationImmunohistochemistryKruppel-Like Transcription FactorsLentivirusGreen Fluorescent ProteinsTretinoinGerm CellsCell- and Tissue-Based TherapyWnt ProteinsRegenerationLamininCulture MediaRNA, MessengerMice, Inbred C57BLEmbryo ResearchBlotting, WesternMesenchymal Stem Cell TransplantationTotipotent Stem CellsHistonesFibroblast Growth Factor 2HepatocytesOligonucleotide Array Sequence AnalysisVascular Endothelial Growth Factor Receptor-2Bone Marrow CellsChimeraCaspases, EffectorEmbryonal Carcinoma Stem CellsStem Cell FactorPromoter Regions, GeneticNeoplastic Stem CellsCell SurvivalT-Box Domain ProteinsMice, TransgenicProteoglycansTranscription, GeneticGenetic VectorsHigh-Throughput Screening Assays