Stem CellsAdult Stem CellsHematopoietic Stem CellsEmbryonic Stem CellsCell DifferentiationKidney TransplantationTransplantsGraft RejectionStem Cell TransplantationGraft SurvivalTransplantation, HomologousHematopoietic Stem Cell TransplantationPlant StemsImmunosuppressive AgentsHeart TransplantationTissue DonorsTransplantationNeoplastic Stem CellsLung TransplantationPluripotent Stem CellsBone Marrow TransplantationTissue and Organ ProcurementNeural Stem CellsStem Cell NicheTreatment OutcomeCyclosporineTime FactorsTacrolimusInduced Pluripotent Stem CellsLiving DonorsPostoperative ComplicationsImmunosuppressionRetrospective StudiesWaiting ListsMultipotent Stem CellsMesenchymal Stem Cell TransplantationFetal Tissue TransplantationTransplantation, AutologousCytomegalovirus InfectionsHistocompatibility TestingGraft vs Host DiseaseStem Cell FactorMycophenolic AcidBrain StemMesenchymal Stromal CellsTransplantation ImmunologyImmunocompromised HostCadaverKidney Failure, ChronicLiver FailureTransplantation ConditioningCell LineageBrain Tissue TransplantationFollow-Up StudiesHeart-Lung TransplantationHematopoietic Stem Cell MobilizationHistocompatibilityRisk FactorsFetal Stem CellsCells, CulturedStem Cell ResearchBronchiolitis ObliteransTransplantation, HeterotopicHematologic NeoplasmsRecurrenceCord Blood Stem Cell TransplantationPeripheral Blood Stem Cell TransplantationCell ProliferationOpportunistic InfectionsTransplantation ToleranceCytomegalovirusBone Marrow CellsSurvival RateSurvival AnalysisMice, Inbred C57BLHLA AntigensBK VirusAntilymphocyte SerumGanciclovirTransplantation, IsogeneicBiopsyFlow CytometryKidneyBiological MarkersProspective StudiesWhole-Body IrradiationIsoantibodiesLymphoproliferative DisordersPolyomavirus InfectionsAntigens, CD34Transplantation ChimeraHematopoiesisRegenerationCell TransplantationLiver DiseasesIslets of Langerhans TransplantationEnd Stage Liver DiseaseCell SeparationAcute DiseaseLeukemia