Embryonic Stem CellsAdult Stem CellsStem CellsCell DifferentiationPluripotent Stem CellsStem Cell TransplantationHematopoietic Stem CellsCell LineageMultipotent Stem CellsInduced Pluripotent Stem CellsOctamer Transcription Factor-3Stem Cell NicheCell Culture TechniquesEmbryo, MammalianMesenchymal Stromal CellsNeural Stem CellsHematopoietic Stem Cell TransplantationCells, CulturedMesenchymal Stem Cell TransplantationCell ProliferationRegenerationStem Cell ResearchRegenerative MedicineSOXB1 Transcription FactorsGene Expression Regulation, DevelopmentalCell LinePlanariansEmbryoid BodiesStem Cell FactorEmbryo ResearchCell SeparationHomeodomain ProteinsTeratomaTotipotent Stem CellsFetal Stem CellsCell- and Tissue-Based TherapySignal TransductionBone Marrow CellsGene Expression ProfilingNeoplastic Stem CellsNuclear ReprogrammingGerm CellsGerm LayersFlow CytometryTissue EngineeringReverse Transcriptase Polymerase Chain ReactionTranscription FactorsMice, Inbred C57BLCell DedifferentiationGreen Fluorescent ProteinsBiological MarkersGene Expression RegulationLeukemia Inhibitory FactorCoculture TechniquesEndodermEpigenesis, GeneticChimeraPlant StemsHematopoiesisNeuronsModels, BiologicalCell TransplantationSpermatogoniaStage-Specific Embryonic AntigensPhenotypeFeeder CellsHair FollicleMyocytes, CardiacImmunohistochemistryBlastocystGene TargetingMice, TransgenicNestinChondrogenesisCell SurvivalHematopoietic Stem Cell MobilizationAntigens, CD34Gene ExpressionLentivirusBone Morphogenetic Protein 4Mice, SCIDColony-Forming Units AssayStromal CellsNeurogenesisCell AgingWnt ProteinsMesodermAging, PrematureCell ShapeOligonucleotide Array Sequence AnalysisTransplantation, AutologousDental PulpCell DivisionTime FactorsRNA, MessengerDNA-Binding ProteinsEmbryonic DevelopmentFibroblastsRNA InterferenceTissue Scaffolds