Germ LayersInduced Pluripotent Stem CellsPluripotent Stem CellsEmbryonic Stem CellsNuclear ReprogrammingCell DifferentiationOctamer Transcription Factor-3EndodermTeratomaSOXB1 Transcription FactorsEmbryoid BodiesNeoplasms, Germ Cell and EmbryonalCell Culture TechniquesGastrulaGene Expression Regulation, DevelopmentalCell LineageCell DedifferentiationEctodermMesodermStage-Specific Embryonic AntigensEmbryo, MammalianFeeder CellsRegenerative MedicineStem CellsGastrulationCells, CulturedKruppel-Like Transcription FactorsHomeodomain ProteinsFibroblastsCell LineEmbryo, NonmammalianWheat Germ AgglutininsNodal ProteinBody PatterningNodal Signaling LigandsTranscription FactorsGerm CellsEmbryonic DevelopmentKaryotypingTestisBlastocystSOXF Transcription FactorsXenopus ProteinsLentivirusActivinsStem Cell ResearchBlastulaIn Situ HybridizationEpigenesis, GeneticKaryotypeEmbryonic InductionSpermatogenesisEmbryonal Carcinoma Stem CellsGene Expression ProfilingReverse Transcriptase Polymerase Chain ReactionSignal TransductionChimeraMorphogenesisImmunohistochemistryBiological MarkersCell ProliferationZebrafishMice, SCIDModels, BiologicalTooth GermTesticular NeoplasmsAdult Stem CellsMultipotent Stem CellsCell SeparationLeukemia Inhibitory FactorNeuronsRNA, MessengerGene Expression RegulationT-Box Domain ProteinsMolecular Sequence DataCell- and Tissue-Based TherapyZebrafish ProteinsProto-Oncogene Proteins c-mycOrganizers, EmbryonicSpermatogoniaPhenotypeGene ExpressionMyocytes, CardiacCell TransdifferentiationNeural PlateXenopus laevisSpermatozoaCell TransplantationBlastomeresTransgenesBase SequenceBlastodermHematopoietic Stem CellsFlow CytometryNeural Stem CellsGreen Fluorescent ProteinsDNA MethylationBone Morphogenetic ProteinsFetal ProteinsFibroblast Growth Factor 4