Adult Stem CellsStem CellsMesenchymal Stromal CellsMesenchymal Stem Cell TransplantationStem Cell TransplantationCell DifferentiationMultipotent Stem CellsHematopoietic Stem CellsEmbryonic Stem CellsPluripotent Stem CellsStem Cell NicheCell LineageRegenerationBone Marrow CellsPlanariansCell ProliferationCells, CulturedRegenerative MedicineHematopoietic Stem Cell TransplantationInduced Pluripotent Stem CellsNeural Stem CellsCell Culture TechniquesTissue EngineeringStem Cell ResearchChondrogenesisOsteogenesisCell- and Tissue-Based TherapyNeoplastic Stem CellsFetal Stem CellsCell SeparationAdipogenesisPlant StemsStem Cell FactorTissue ScaffoldsFlow CytometryOctamer Transcription Factor-3Dental PulpCoculture TechniquesSignal TransductionCell AgingAging, PrematureMice, Inbred C57BLHair FollicleCell TransplantationCell ShapeSpermatogoniaReverse Transcriptase Polymerase Chain ReactionAdipose TissueGerm CellsCell DedifferentiationGene Expression RegulationBiological MarkersStromal CellsGene Expression ProfilingSOXB1 Transcription FactorsTransplantation, AutologousNestinOsteocytesCell TransdifferentiationGreen Fluorescent ProteinsModels, BiologicalCell SurvivalBone RegenerationGene Expression Regulation, DevelopmentalEmbryo, MammalianColony-Forming Units AssayPhenotypeHematopoietic Stem Cell MobilizationAntigens, CD34ImmunohistochemistryUmbilical CordLentivirusOsteoblastsSatellite Cells, Skeletal MuscleCell MovementCell LineMesodermAdipocytesMice, TransgenicChondrocytesWnt ProteinsCell DivisionWound HealingWnt Signaling PathwayHematopoiesisCell TrackingTime FactorsGene ExpressionTranscription FactorsFetal BloodEpigenesis, GeneticTransplantation, HomologousNeuronsMice, SCIDBone MarrowBone Marrow TransplantationCell CountDental SacDisease Models, AnimalNeurogenesis