Embryonic Stem CellsStem CellsPluripotent Stem CellsCell DifferentiationEmbryo, MammalianCell LineStem Cell TransplantationHematopoietic Stem CellsOctamer Transcription Factor-3Cell LineageAdult Stem CellsInduced Pluripotent Stem CellsCell Culture TechniquesCells, CulturedNeural Stem CellsStem Cell NicheGene Expression Regulation, DevelopmentalMultipotent Stem CellsCell ProliferationEmbryoid BodiesSOXB1 Transcription FactorsEmbryo ResearchTeratomaMesenchymal Stromal CellsHematopoietic Stem Cell TransplantationTotipotent Stem CellsHomeodomain ProteinsMesenchymal Stem Cell TransplantationGerm LayersSignal TransductionStem Cell ResearchFlow CytometryChimeraMice, Inbred C57BLTranscription FactorsNeoplastic Stem CellsEndodermReverse Transcriptase Polymerase Chain ReactionCell SeparationGene Expression ProfilingNuclear ReprogrammingRegenerationLeukemia Inhibitory FactorStem Cell FactorRegenerative MedicineGene Expression RegulationGerm CellsGene TargetingNeuronsHematopoiesisGreen Fluorescent ProteinsCoculture TechniquesBlastocystBiological MarkersStage-Specific Embryonic AntigensPhenotypeModels, BiologicalGene ExpressionFeeder CellsImmunohistochemistryMice, SCIDMice, TransgenicBone Marrow CellsMyocytes, CardiacBone Morphogenetic Protein 4Epigenesis, GeneticCell DedifferentiationCell SurvivalRNA, MessengerCell DivisionDNA-Binding ProteinsNestinEmbryonic DevelopmentCell- and Tissue-Based TherapyBase SequenceMolecular Sequence DataFibroblastsFetal Stem CellsTime FactorsCell CycleTissue EngineeringAntigens, CD34Mice, KnockoutMesodermSpermatogoniaAntigens, CD15ActivinsCell TransplantationPromoter Regions, GeneticColony-Forming Units AssayKaryotypingOligonucleotide Array Sequence AnalysisNeurogenesisAntigens, CDPlant StemsCloning, OrganismHair FollicleCell ShapeCell MovementTretinoin