Embryonic Stem CellsClone CellsCell DifferentiationPluripotent Stem CellsEmbryo, MammalianStem CellsLeukemia Inhibitory FactorCell LineOctamer Transcription Factor-3Gene Expression Regulation, DevelopmentalCell LineageSOXB1 Transcription FactorsCells, CulturedEmbryoid BodiesEndodermCell Culture TechniquesHomeodomain ProteinsGene TargetingTranscription FactorsBase SequenceGene Expression ProfilingReverse Transcriptase Polymerase Chain ReactionX Chromosome InactivationChimeraMolecular Sequence DataBlastocystEmbryo, NonmammalianDNA-Binding ProteinsGene Expression RegulationRepressor ProteinsRNA, MessengerSignal TransductionHistonesStem Cell TransplantationCell ProliferationDNA MethylationMice, Inbred C57BLPhenotypeEpigenesis, GeneticTranscription, GeneticAmino Acid SequenceGene ExpressionMice, TransgenicPromoter Regions, GeneticChromatinEmbryonic DevelopmentCloning, MolecularMice, KnockoutOligonucleotide Array Sequence AnalysisFlow CytometryFibroblastsNeuronsTeratomaMyocytes, CardiacImmunohistochemistryCell DivisionGenomeBiological MarkersTransgenesCell AggregationT-LymphocytesGenetic VectorsGastrulaDNATransfectionBlastomeresTretinoinCloning, OrganismDNA, ComplementaryTeratocarcinomaNuclear ProteinsVitellinsLymphocyte ActivationNuclear Transfer TechniquesXenopus ProteinsMutationTotipotent Stem CellsCell SurvivalGenes, ReporterCarcinoma, EmbryonalChick EmbryoMitosisEmbryonic and Fetal DevelopmentPolymerase Chain ReactionDNA PrimersInduced Pluripotent Stem CellsEmbryonal Carcinoma Stem CellsReceptors, Antigen, T-Cell, alpha-betaCell CycleMesodermGreen Fluorescent ProteinsRNA InterferenceCaenorhabditis elegansBlotting, SouthernTime FactorsEpitopesGerm CellsReceptors, Antigen, T-CellOvumT-Lymphocytes, Helper-Inducer