Embryonic Stem CellsEmbryo Culture TechniquesStem CellsPluripotent Stem CellsCell DifferentiationEmbryo, MammalianStem Cell TransplantationInduced Pluripotent Stem CellsCell Culture TechniquesHematopoietic Stem CellsBlastocystAdult Stem CellsOctamer Transcription Factor-3Feeder CellsEmbryo ResearchCell LineageCell LineNeural Stem CellsStem Cell NicheCells, CulturedHematopoietic Stem Cell TransplantationGene Expression Regulation, DevelopmentalMultipotent Stem CellsEmbryoid BodiesSOXB1 Transcription FactorsTotipotent Stem CellsTeratomaMesenchymal Stromal CellsEmbryonic DevelopmentMesenchymal Stem Cell TransplantationHomeodomain ProteinsCell ProliferationGerm LayersStem Cell FactorStem Cell ResearchChimeraEndodermGene Expression ProfilingTranscription FactorsBlastomeresEmbryo ImplantationLeukemia Inhibitory FactorNuclear ReprogrammingGene TargetingReverse Transcriptase Polymerase Chain ReactionSignal TransductionRegenerative MedicineCell SeparationStage-Specific Embryonic AntigensCoculture TechniquesFlow CytometryFetal Stem CellsEmbryonic and Fetal DevelopmentCloning, OrganismHematopoiesisMice, Inbred C57BLBiological MarkersGerm CellsGreen Fluorescent ProteinsGene Expression RegulationPlant StemsEmbryo, NonmammalianBone Morphogenetic Protein 4Base SequenceNeoplastic Stem CellsNeuronsPhenotypeRegenerationImmunohistochemistryGene ExpressionMice, SCIDMolecular Sequence DataCell DedifferentiationCryopreservationFertilization in VitroKaryotypingMyocytes, CardiacMesodermPregnancyEpigenesis, GeneticRNA, MessengerModels, BiologicalCell SurvivalTime FactorsBone Marrow CellsBeginning of Human LifeMice, TransgenicChick EmbryoHematopoietic Stem Cell MobilizationEmbryo DispositionTissue EngineeringCell- and Tissue-Based TherapyPersonhoodDNA-Binding ProteinsFibroblastsActivinsResearch Embryo CreationNestinAntigens, CD34Mice, Knockout