Embryonic Stem CellsAdult Stem CellsStem CellsCell DifferentiationPluripotent Stem CellsStem Cell TransplantationHematopoietic Stem CellsCell LineageInduced Pluripotent Stem CellsMultipotent Stem CellsStem Cell NicheEmbryo, MammalianCell Culture TechniquesOctamer Transcription Factor-3Cells, CulturedMesenchymal Stromal CellsNeural Stem CellsHematopoietic Stem Cell TransplantationMesenchymal Stem Cell TransplantationStem Cell ResearchRegenerationCell ProliferationGene Expression Regulation, DevelopmentalRegenerative MedicineCell LinePlanariansSOXB1 Transcription FactorsNuclear ReprogrammingEmbryo ResearchEmbryoid BodiesStem Cell FactorCell SeparationGene Expression ProfilingSignal TransductionFlow CytometryFetal Stem CellsHomeodomain ProteinsCell- and Tissue-Based TherapyTotipotent Stem CellsTeratomaBone Marrow CellsNeoplastic Stem CellsTranscription FactorsResearchGene Expression RegulationGerm CellsCell TransdifferentiationTissue EngineeringReverse Transcriptase Polymerase Chain ReactionMice, Inbred C57BLFetal BloodModels, BiologicalPhenotypeGreen Fluorescent ProteinsBiological MarkersCell DedifferentiationGerm LayersPlant StemsCoculture TechniquesCloning, OrganismHematopoiesisChimeraFibroblastsEpigenesis, GeneticEndodermLeukemia Inhibitory FactorNeuronsCell TransplantationCell DivisionSpermatogoniaHair FollicleGene TargetingRNA, MessengerTime FactorsStage-Specific Embryonic AntigensNestinMice, TransgenicImmunohistochemistryMyocytes, CardiacFetusChondrogenesisHematopoietic Stem Cell MobilizationBlastocystAntigens, CD34LentivirusCell SurvivalFeeder CellsGene ExpressionColony-Forming Units AssayCell AgingMice, SCIDAging, PrematureNeurogenesisAgingBone Morphogenetic Protein 4Transplantation, AutologousWnt ProteinsCell ShapeDental PulpMesoderm