Stem CellsStem Cell TransplantationLiver TransplantationHematopoietic Stem Cell TransplantationTransplantation, HomologousHematopoietic Stem CellsKidney TransplantationBone Marrow TransplantationEmbryonic Stem CellsTransplantation, AutologousAdult Stem CellsHeart TransplantationPluripotent Stem CellsLung TransplantationMesenchymal Stem Cell TransplantationTransplantation ConditioningStem Cell NicheNeural Stem CellsGraft SurvivalCell DifferentiationInduced Pluripotent Stem CellsOrgan TransplantationMultipotent Stem CellsMesenchymal Stromal CellsCell TransplantationTissue DonorsGraft RejectionPancreas TransplantationTransplantation ChimeraStem Cell FactorIslets of Langerhans TransplantationTransplantationTransplantation ImmunologyCord Blood Stem Cell TransplantationPeripheral Blood Stem Cell TransplantationGraft vs Host DiseaseCell LineageTreatment OutcomeImmunosuppressive AgentsTransplantation, IsogeneicFetal Stem CellsHematopoietic Stem Cell MobilizationCells, CulturedStem Cell ResearchTime FactorsBone Marrow CellsLiving DonorsCell ProliferationTransplantation, HeterotopicPlant StemsTransplantation, HeterologousHeart-Lung TransplantationHistocompatibility TestingRegenerationRetrospective StudiesMice, Inbred C57BLHematologic NeoplasmsHematopoiesisFetal Tissue TransplantationTissue and Organ ProcurementAntigens, CD34Neoplastic Stem CellsTransplantation ToleranceImmunosuppressionCell Culture TechniquesCell SeparationWhole-Body IrradiationFlow CytometryRecurrenceLiver FailureHistocompatibilitySkin TransplantationPostoperative ComplicationsRegenerative MedicineOctamer Transcription Factor-3Mice, SCIDSpermatogoniaTissue TransplantationBusulfanSurvival AnalysisWaiting ListsSurvival RateColony-Forming Units AssayFollow-Up StudiesCorneal TransplantationCyclosporineLeukemiaCell- and Tissue-Based TherapyTacrolimusTotipotent Stem CellsFetal BloodBone MarrowBiological MarkersCombined Modality TherapyEmbryo, MammalianBrain Tissue TransplantationSignal TransductionTissue EngineeringCadaverCell Survival