Cord Blood Stem Cell TransplantationFetal BloodTransplantation ChimeraHematopoietic Stem Cell TransplantationSpinal CordHematologic NeoplasmsGraft vs Host DiseaseTissue DonorsHistocompatibility TestingTransplantation ConditioningTransplantation, HomologousSpinal Cord InjuriesUmbilical CordTreatment OutcomeBlood BanksInfant, NewbornAntigens, CD34Hematopoietic Stem CellsPregnancyKidney TransplantationTransplantsMaternal-Fetal ExchangeGraft SurvivalSpinal Cord DiseasesSpinal Cord CompressionSpermatic CordCells, CulturedGraft RejectionSpinal Cord IschemiaCell DifferentiationSpinal Cord NeoplasmsTime FactorsMice, SCIDImmunosuppressive AgentsColony-Forming Units AssayCell SeparationMice, Inbred NODImmunophenotypingFlow CytometryBlood PreservationCell Culture TechniquesMaternal ExposureAntigens, CDAntigens, CD38Heart TransplantationBone Marrow CellsStem CellsADP-ribosyl CyclaseCord FactorsBlood CellsHematopoiesisFetal Tissue TransplantationPlacentaLeukocytes, MononuclearTransplantationBone Marrow TransplantationCell LineageNuchal CordParaplegiaHLA AntigensDirected Tissue DonationHistocompatibilityGestational AgeStem Cell FactorLung TransplantationBlood Cell CountRetrospective StudiesAntigens, CD45Vocal CordsFetusT-LymphocytesUnrelated DonorsLeukemiaStem Cell TransplantationCytomegalovirus InfectionsCryopreservationNAD+ NucleosidaseTacrolimusTransplantation, HeterologousSpinal Cord RegenerationAllograftsCyclosporineDonor SelectionFetal Stem CellsImmunosuppressionPostoperative ComplicationsTissue and Organ ProcurementMesenchymal Stromal CellsCoculture TechniquesBiological MarkersAmniotic FluidErythroid Precursor CellsLiving DonorsCytokinesProspective StudiesBlood DonorsLymphocyte ActivationThrombopoietinLymphocytesMotor Neurons