Embryonic Stem CellsStem CellsCell DifferentiationPluripotent Stem CellsSperm-Ovum InteractionsCell Culture TechniquesEmbryo ResearchOctamer Transcription Factor-3Stem Cell TransplantationEmbryo, MammalianFertilization in VitroInduced Pluripotent Stem CellsCell LineageTeratomaCell LineEmbryoid BodiesOvuleStage-Specific Embryonic AntigensOvumCells, CulturedHematopoietic Stem CellsSOXB1 Transcription FactorsEndodermFeeder CellsGerm LayersNeural Stem CellsGene Expression Regulation, DevelopmentalAlstroemeriaGerm Cells, PlantTotipotent Stem CellsHomeodomain ProteinsBone Morphogenetic Protein 4KaryotypingCell ProliferationAdult Stem CellsGene Expression ProfilingStem Cell ResearchActivinsCoculture TechniquesReverse Transcriptase Polymerase Chain ReactionBiological MarkersMultipotent Stem CellsFlow CytometryFertilizationUrochordataRegenerative MedicineMice, SCIDNeural PlateMyocytes, CardiacMesenchymal Stromal CellsBlastocystNuclear ReprogrammingNodal ProteinCell SeparationGreen Fluorescent ProteinsSignal TransductionEmbryo Culture TechniquesTranscription FactorsNeuronsGene Expression RegulationGene TargetingCulture Media, Serum-FreeEpigenesis, GeneticStem Cell NicheCell SurvivalHematopoietic Stem Cell TransplantationMesenchymal Stem Cell TransplantationLentivirusImmunohistochemistryHematopoiesisFibroblastsSOXF Transcription FactorsPollen TubeCulture Media, ConditionedSeedsCloning, OrganismX Chromosome InactivationTissue EngineeringGerm CellsMesodermOligonucleotide Array Sequence AnalysisEmbryonic DevelopmentCell ShapeBone Morphogenetic ProteinsBlastocyst Inner Cell MassGene ExpressionCell DedifferentiationTransgenesDehumanizationCell TransplantationEmbryonal Carcinoma Stem CellsLeukemia Inhibitory FactorPhenotypeChimeraBeginning of Human LifeEmbryo DispositionCell- and Tissue-Based TherapyModels, BiologicalResearch Embryo CreationCryopreservation