Embryonic Stem CellsStem CellsSkinCell DifferentiationPluripotent Stem CellsPrenatal InjuriesKeratinocytesStem Cell TransplantationSkin Physiological PhenomenaKeratin-17Cells, CulturedEpidermisEmbryo, MammalianHair FollicleOctamer Transcription Factor-3FibroblastsHematopoietic Stem CellsInduced Pluripotent Stem CellsCell LineageCell Culture TechniquesDermisAdult Stem CellsCell LineSkin AgingSkin NeoplasmsFetusEmbryoid BodiesNeural Stem CellsSebaceous GlandsWound HealingEmbryo ResearchSOXB1 Transcription FactorsGene Expression Regulation, DevelopmentalTeratomaMultipotent Stem CellsCell ProliferationStem Cell NicheHematopoietic Stem Cell TransplantationUltraviolet RaysTotipotent Stem CellsHomeodomain ProteinsGerm LayersMesenchymal Stromal CellsMelanocytesSkin TransplantationMesenchymal Stem Cell TransplantationEndodermChimeraLeukemia Inhibitory FactorStem Cell ResearchGene TargetingGene Expression ProfilingSignal TransductionStem Cell FactorTranscription FactorsGene Expression RegulationBlastocystMice, Inbred C57BLReverse Transcriptase Polymerase Chain ReactionStage-Specific Embryonic AntigensNuclear ReprogrammingFeeder CellsCell SurvivalRegenerative MedicineFlow CytometryCell SeparationBone Morphogenetic Protein 4Green Fluorescent ProteinsSkin, ArtificialCoculture TechniquesGene ExpressionBiological MarkersHematopoiesisImmunohistochemistrySkin DiseasesGerm CellsNeuronsMyocytes, CardiacRNA, MessengerFetal Stem CellsEpigenesis, GeneticMice, SCIDModels, BiologicalEmbryonic DevelopmentBase SequenceRegenerationSkin PigmentationActivinsPhenotypeCell DedifferentiationNeoplastic Stem CellsMice, TransgenicCulture Media, ConditionedKaryotypingPlant StemsCloning, OrganismPregnancyTissue EngineeringMice, KnockoutTretinoin