Embryonic Stem CellsEmbryo Culture TechniquesStem CellsPluripotent Stem CellsCell DifferentiationStem Cell TransplantationInduced Pluripotent Stem CellsEmbryo, MammalianHematopoietic Stem CellsAdult Stem CellsBlastocystCell Culture TechniquesFeeder CellsNeural Stem CellsHematopoietic Stem Cell TransplantationEmbryo ResearchStem Cell NicheCell LineageOctamer Transcription Factor-3Multipotent Stem CellsCell LineMesenchymal Stem Cell TransplantationMesenchymal Stromal CellsCells, CulturedGene Expression Regulation, DevelopmentalStem Cell FactorEmbryonic DevelopmentTotipotent Stem CellsStem Cell ResearchCell ProliferationEmbryo ImplantationEmbryoid BodiesSOXB1 Transcription FactorsBlastomeresHomeodomain ProteinsTeratomaFetal Stem CellsGerm LayersPlant StemsEmbryo, NonmammalianEmbryonic and Fetal DevelopmentCell SeparationRegenerative MedicineGene Expression ProfilingSignal TransductionTranscription FactorsNeoplastic Stem CellsHematopoiesisChimeraFlow CytometryMice, Inbred C57BLHematopoietic Stem Cell MobilizationRegenerationReverse Transcriptase Polymerase Chain ReactionFertilization in VitroNuclear ReprogrammingCoculture TechniquesBone Marrow CellsEndodermCloning, OrganismChick EmbryoPregnancyCryopreservationGerm CellsBase SequenceBiological MarkersPhenotypeMolecular Sequence DataBeginning of Human LifeLeukemia Inhibitory FactorGene Expression RegulationGreen Fluorescent ProteinsImmunohistochemistryPersonhoodStage-Specific Embryonic AntigensGene TargetingMice, SCIDModels, BiologicalTime FactorsEmbryo DispositionGene ExpressionNeuronsCell DedifferentiationRNA, MessengerCell SurvivalAntigens, CD34MesodermCell- and Tissue-Based TherapyTissue EngineeringMice, TransgenicBone Morphogenetic Protein 4KaryotypingTransplantation, AutologousColony-Forming Units AssayNestinEpigenesis, GeneticPeripheral Blood Stem Cell TransplantationTransplantation, HomologousResearch Embryo CreationCell Division