Cell DifferentiationEmbryoid BodiesEmbryonic Stem CellsStem CellsEmbryo, MammalianGene Expression Regulation, DevelopmentalCells, CulturedCell LineageCell LineTeratomaEndodermTranscription FactorsCell Culture TechniquesSignal TransductionPluripotent Stem CellsTretinoinRNA, MessengerEmbryo, NonmammalianGene Expression RegulationHomeodomain ProteinsCell ProliferationCell DivisionReverse Transcriptase Polymerase Chain ReactionEmbryonic DevelopmentOctamer Transcription Factor-3Molecular Sequence DataDNA-Binding ProteinsCell AggregationBase SequenceMesodermBlastocystGene ExpressionMice, Inbred C57BLMice, KnockoutImmunohistochemistryPhenotypeMice, TransgenicCarcinoma, EmbryonalGene Expression ProfilingIn Situ HybridizationInduced Pluripotent Stem CellsTime FactorsTranscription, GeneticHematopoietic Stem CellsMorphogenesisFlow CytometryTeratocarcinomaTrans-ActivatorsModels, BiologicalPromoter Regions, GeneticBone Morphogenetic Protein 4Nuclear ProteinsRepressor ProteinsSex DifferentiationGerm CellsBone Morphogenetic ProteinsFetal ProteinsChick EmbryoEmbryonic and Fetal DevelopmentTransfectionDNA PrimersGerm LayersNeuronsBiological MarkersCell CycleChimeraTotipotent Stem CellsAntigens, DifferentiationBasic Helix-Loop-Helix Transcription FactorsHematopoiesisGreen Fluorescent ProteinsMutationFluorescent Antibody TechniqueDown-RegulationBlotting, WesternTumor Cells, CulturedCell SurvivalApoptosisAmino Acid SequenceCoculture TechniquesUp-RegulationVoice QualityBone Morphogenetic Protein 2Yolk SacEpithelial CellsFibroblastsOligonucleotide Array Sequence AnalysisOsteogenesisEmbryonic InductionMyocytes, CardiacAlkaline PhosphataseActivinsCell MovementCell AdhesionMesenchymal Stromal CellsOsteoblastsXenopus ProteinsWnt ProteinsSOXB1 Transcription FactorsGenes, Reporter