Embryonic Stem CellsAdult Stem CellsStem CellsCell DifferentiationPluripotent Stem CellsStem Cell TransplantationHematopoietic Stem CellsCell LineageMultipotent Stem CellsEmbryo, MammalianInduced Pluripotent Stem CellsStem Cell NicheOctamer Transcription Factor-3Cell Culture TechniquesMesenchymal Stromal CellsNeural Stem CellsCells, CulturedHematopoietic Stem Cell TransplantationMesenchymal Stem Cell TransplantationCell ProliferationGene Expression Regulation, DevelopmentalRegenerationStem Cell ResearchRegenerative MedicineCell LinePlanariansSOXB1 Transcription FactorsTeratomaStem Cell FactorEmbryoid BodiesEmbryo ResearchTotipotent Stem CellsHomeodomain ProteinsCell SeparationFetal Stem CellsSignal TransductionNeoplastic Stem CellsCell- and Tissue-Based TherapyGerm CellsBone Marrow CellsGene Expression ProfilingTranscription FactorsFlow CytometryReverse Transcriptase Polymerase Chain ReactionBlastocystMice, Inbred C57BLTissue EngineeringGreen Fluorescent ProteinsEndodermNuclear ReprogrammingChimeraGene Expression RegulationBiological MarkersCell DedifferentiationGerm LayersPlant StemsModels, BiologicalCoculture TechniquesEpigenesis, GeneticHematopoiesisGene TargetingPhenotypeNeuronsEmbryonic DevelopmentLeukemia Inhibitory FactorCell TransplantationSpermatogoniaImmunohistochemistryMice, TransgenicHair FollicleCell SurvivalStage-Specific Embryonic AntigensNestinCell DivisionMyocytes, CardiacMesodermGene ExpressionChondrogenesisHematopoietic Stem Cell MobilizationAntigens, CD34LentivirusWnt ProteinsFeeder CellsRNA, MessengerColony-Forming Units AssayTime FactorsCell AgingMice, SCIDEmbryonal Carcinoma Stem CellsEmbryo, NonmammalianAging, PrematureDNA-Binding ProteinsNeurogenesisBase SequenceBone Morphogenetic Protein 4Transplantation, AutologousCell ShapeOligonucleotide Array Sequence AnalysisDental PulpFibroblasts