Induced Pluripotent Stem CellsPluripotent Stem CellsNuclear ReprogrammingEmbryonic Stem CellsCell DifferentiationFetusOctamer Transcription Factor-3Stem CellsFetal Tissue TransplantationSOXB1 Transcription FactorsCell DedifferentiationComplicityRegenerative MedicineEmbryoid BodiesAborted FetusCell Culture TechniquesResearchTeratomaCell LineageGerm LayersStem Cell TransplantationFeeder CellsStage-Specific Embryonic AntigensStem Cell ResearchDirected Tissue DonationFibroblastsCells, CulturedPregnancyHematopoietic Stem CellsKruppel-Like Transcription FactorsMaternal-Fetal ExchangeNeural Stem CellsPlacentaLifeAdult Stem CellsCell- and Tissue-Based TherapyCell LinePersonhoodLentivirusEmbryo, MammalianBeginning of Human LifeGene Expression Regulation, DevelopmentalAbortion, VeterinaryEpigenesis, GeneticGene Expression ProfilingNeoplastic Stem CellsGerm CellsMyocytes, CardiacHomeodomain ProteinsCell ProliferationTranscription FactorsMultipotent Stem CellsPlant StemsAmniotic FluidResearch Support as TopicProto-Oncogene Proteins c-mycTranslational Medical ResearchCell SeparationRegenerationFetal ResearchGestational AgeResearch DesignMice, SCIDReverse Transcriptase Polymerase Chain ReactionKaryotypingStem Cell NicheEthics, ResearchBiological MarkersTransduction, GeneticGene Expression RegulationTissue EngineeringMesenchymal Stromal CellsFlow CytometryGenetic VectorsTransgenesNeuronsResearch PersonnelModels, BiologicalEmbryo ResearchGene ExpressionEndodermTotipotent Stem CellsChimeraImmunohistochemistryPhenotypeCivil RightsPregnancy, AnimalActivinsNontherapeutic Human ExperimentationRNA, MessengerTherapeutic Human ExperimentationHematopoietic Stem Cell TransplantationCell TransdifferentiationBlastocyst Inner Cell MassKaryotypeLeukemia Inhibitory FactorGenomic ImprintingCoculture TechniquesEmbryonal Carcinoma Stem CellsSignal Transduction