Adult Stem CellsStem CellsChimerismFetomaternal TransfusionStem Cell TransplantationFetal Stem CellsFetusCell DifferentiationEmbryonic Stem CellsMultipotent Stem CellsHematopoietic Stem CellsPluripotent Stem CellsStem Cell NicheMesenchymal Stromal CellsFetal ResearchMaternal-Fetal ExchangePlanariansCell LineageRegenerationMesenchymal Stem Cell TransplantationPrenatal DiagnosisHematopoietic Stem Cell TransplantationPregnancyRegenerative MedicineStem Cell ResearchCells, CulturedInduced Pluripotent Stem CellsNeural Stem CellsCell SeparationCell ProliferationCell Culture TechniquesCell- and Tissue-Based TherapyBone Marrow CellsNeoplastic Stem CellsAging, PrematureErythroblastsGreen Fluorescent ProteinsStem Cell FactorFetal BloodFlow CytometryTissue EngineeringHair FollicleOctamer Transcription Factor-3ChimeraMice, Inbred C57BLSpermatogoniaCell AgingDental PulpIn Situ Hybridization, FluorescenceGerm CellsChondrogenesisSignal TransductionAntigens, CD34Sex Determination AnalysisCell TransplantationY ChromosomeMice, TransgenicTrophoblastsBiological MarkersPlant StemsCell DedifferentiationEmbryo, MammalianSatellite Cells, Skeletal MuscleSOXB1 Transcription FactorsGene Expression Regulation, DevelopmentalCloning, OrganismImmunohistochemistryModels, BiologicalAdipogenesisTransplantation, AutologousStromal CellsNestinCell LineAmniotic FluidChromosomes, Human, YGene Expression ProfilingHematopoietic Stem Cell MobilizationAdipose TissueColony-Forming Units AssayReverse Transcriptase Polymerase Chain ReactionCell TransdifferentiationFetal HemoglobinPolymerase Chain ReactionLentivirusGene Expression RegulationTissue ScaffoldsCell MovementPhenotypeCell DivisionOsteogenesisHMGB3 ProteinProgeriaEpigenesis, GeneticWnt ProteinsCoculture TechniquesTestisGenes, sryPolycomb Repressive Complex 1FibroblastsBlood Cells