Embryonic Stem CellsEmbryo Culture TechniquesStem CellsPluripotent Stem CellsCell DifferentiationEmbryo, MammalianInduced Pluripotent Stem CellsBlastocystStem Cell TransplantationFibroblastsCell Culture TechniquesFeeder CellsHematopoietic Stem CellsAdult Stem CellsEmbryo ResearchCell LineOctamer Transcription Factor-3Cell LineageCells, CulturedNeural Stem CellsStem Cell NicheHematopoietic Stem Cell TransplantationGene Expression Regulation, DevelopmentalEmbryonic DevelopmentMultipotent Stem CellsEmbryo ImplantationBlastomeresMesenchymal Stromal CellsMesenchymal Stem Cell TransplantationTotipotent Stem CellsEmbryoid BodiesCell ProliferationSOXB1 Transcription FactorsStem Cell FactorTeratomaHomeodomain ProteinsGerm LayersStem Cell ResearchEmbryo, NonmammalianEmbryonic and Fetal DevelopmentChick EmbryoSignal TransductionFertilization in VitroTranscription FactorsGene Expression ProfilingBase SequenceCloning, OrganismMolecular Sequence DataChimeraPregnancyReverse Transcriptase Polymerase Chain ReactionCoculture TechniquesEndodermNuclear ReprogrammingCryopreservationRNA, MessengerGene Expression RegulationBeginning of Human LifeMice, Inbred C57BLCell SeparationPersonhoodFetal Stem CellsFlow CytometryRegenerative MedicineFibroblast Growth Factor 2PhenotypeLeukemia Inhibitory FactorEmbryo DispositionGene ExpressionPlant StemsHematopoiesisImmunohistochemistryGene TargetingBiological MarkersTime FactorsGerm CellsGreen Fluorescent ProteinsStage-Specific Embryonic AntigensNeoplastic Stem CellsRegenerationModels, BiologicalMesodermCell SurvivalCell DivisionNeuronsBone Marrow CellsMice, SCIDKaryotypingFibroblast Growth FactorsBone Morphogenetic Protein 4Cell DedifferentiationHematopoietic Stem Cell MobilizationMice, TransgenicDNA-Binding ProteinsResearch Embryo CreationEmbryo TransferEpigenesis, GeneticMyocytes, CardiacTissue EngineeringCloning, Molecular