Embryonic Stem CellsEmbryo Culture TechniquesStem CellsPluripotent Stem CellsCell DifferentiationEmbryo, MammalianInduced Pluripotent Stem CellsCell Culture TechniquesBlastocystStem Cell TransplantationGerm CellsFeeder CellsOctamer Transcription Factor-3Hematopoietic Stem CellsGerm LayersCell LineageAdult Stem CellsEmbryo ResearchCell LineTeratomaGene Expression Regulation, DevelopmentalEmbryoid BodiesCells, CulturedNeural Stem CellsStem Cell NicheHematopoietic Stem Cell TransplantationEmbryonic DevelopmentMultipotent Stem CellsStage-Specific Embryonic AntigensEmbryo ImplantationChimeraBlastomeresMesenchymal Stromal CellsTotipotent Stem CellsMesenchymal Stem Cell TransplantationEndodermSOXB1 Transcription FactorsStem Cell FactorHomeodomain ProteinsKaryotypingCell ProliferationTranscription FactorsGene Expression ProfilingEmbryo, NonmammalianStem Cell ResearchEmbryonic and Fetal DevelopmentPregnancyBiological MarkersParthenogenesisMesodermFertilization in VitroChick EmbryoCloning, OrganismCryopreservationMice, SCIDSignal TransductionBase SequenceMolecular Sequence DataNuclear ReprogrammingBeginning of Human LifeGenomic ImprintingReverse Transcriptase Polymerase Chain ReactionFetal Stem CellsPersonhoodGonadsCell SeparationCoculture TechniquesRegenerative MedicineMice, Inbred C57BLMice, TransgenicLeukemia Inhibitory FactorEmbryo DispositionFlow CytometryPlant StemsHematopoiesisGene TargetingTestisImmunohistochemistryGene Expression RegulationPhenotypeGreen Fluorescent ProteinsRNA, MessengerNeoplastic Stem CellsGene ExpressionRegenerationTime FactorsModels, BiologicalNeuronsBone Marrow CellsBone Morphogenetic Protein 4Cell DedifferentiationHematopoietic Stem Cell MobilizationCell SurvivalResearch Embryo CreationNeoplasms, Germ Cell and EmbryonalEpigenesis, GeneticEmbryo TransferAlkaline PhosphataseZygoteSpermatogonia