Embryonic Stem CellsStem CellsSkinCell DifferentiationPluripotent Stem CellsPrenatal InjuriesCells, CulturedKeratinocytesStem Cell TransplantationSkin Physiological PhenomenaKeratin-17Embryo, MammalianFibroblastsEpidermisInduced Pluripotent Stem CellsHair FollicleOctamer Transcription Factor-3Adult Stem CellsHematopoietic Stem CellsFetusCell LineageCell Culture TechniquesCell LineDermisGene Expression Regulation, DevelopmentalSkin AgingSkin NeoplasmsEmbryoid BodiesNeural Stem CellsSebaceous GlandsWound HealingEmbryo ResearchNuclear ReprogrammingSOXB1 Transcription FactorsTeratomaMultipotent Stem CellsCell ProliferationStem Cell NicheHematopoietic Stem Cell TransplantationUltraviolet RaysTotipotent Stem CellsHomeodomain ProteinsGene Expression ProfilingGene Expression RegulationCloning, OrganismGerm LayersTranscription FactorsMesenchymal Stromal CellsSignal TransductionFetal BloodMelanocytesSkin TransplantationMesenchymal Stem Cell TransplantationEndodermChimeraFlow CytometryLeukemia Inhibitory FactorStem Cell ResearchGene TargetingRNA, MessengerStem Cell FactorCell TransdifferentiationBlastocystMice, Inbred C57BLReverse Transcriptase Polymerase Chain ReactionStage-Specific Embryonic AntigensFeeder CellsPhenotypeCell SurvivalModels, BiologicalRegenerative MedicineCell DivisionCell SeparationBone Morphogenetic Protein 4Green Fluorescent ProteinsPregnancySkin, ArtificialCoculture TechniquesGene ExpressionBiological MarkersHematopoiesisImmunohistochemistrySkin DiseasesGerm CellsNeuronsMyocytes, CardiacTime FactorsFetal Stem CellsEpigenesis, GeneticMice, SCIDEmbryonic DevelopmentBase SequenceRegenerationSkin PigmentationAnimals, NewbornActivinsCell DedifferentiationNeoplastic Stem CellsMice, TransgenicCulture Media, Conditioned