Pluripotent Stem CellsInduced Pluripotent Stem CellsEmbryonic Stem CellsCell DifferentiationEmbryo, MammalianNuclear ReprogrammingStem CellsOctamer Transcription Factor-3SOXB1 Transcription FactorsCell DedifferentiationCell Culture TechniquesCell LineageRegenerative MedicineEmbryoid BodiesStem Cell TransplantationGene Expression Regulation, DevelopmentalHematopoietic Stem CellsGerm LayersCells, CulturedBlastocystTeratomaEmbryonic DevelopmentAdult Stem CellsNeural Stem CellsStem Cell ResearchFeeder CellsCell LineFibroblastsStage-Specific Embryonic AntigensKruppel-Like Transcription FactorsTranscription FactorsHomeodomain ProteinsEmbryo, NonmammalianCell- and Tissue-Based TherapyCell ProliferationLentivirusEpigenesis, GeneticEndodermSignal TransductionStem Cell NicheMesenchymal Stromal CellsMultipotent Stem CellsEmbryonic and Fetal DevelopmentTotipotent Stem CellsGene Expression ProfilingGerm CellsChick EmbryoEmbryo Culture TechniquesGene Expression RegulationHematopoietic Stem Cell TransplantationMice, Inbred C57BLModels, BiologicalPhenotypeRegenerationCell SeparationBlastocyst Inner Cell MassGene ExpressionReverse Transcriptase Polymerase Chain ReactionFlow CytometryMolecular Sequence DataZygoteMyocytes, CardiacRNA, MessengerProto-Oncogene Proteins c-mycMice, SCIDNeuronsMammalsBiological MarkersImmunohistochemistryMesodermEmbryo ImplantationTransduction, GeneticEctodermMice, TransgenicTissue EngineeringKaryotypingGenetic VectorsMesenchymal Stem Cell TransplantationPregnancyBone Marrow CellsTransgenesBase SequenceCoculture TechniquesChimeraDNA-Binding ProteinsHematopoiesisActivinsTime FactorsBone Morphogenetic Protein 4Culture TechniquesIn Situ Hybridization