Cord Blood Stem Cell TransplantationHematopoietic Stem Cell TransplantationTransplantation, HomologousStem CellsGraft vs Host DiseaseTransplantation ConditioningFetal BloodHematologic NeoplasmsGraft vs Leukemia EffectStem Cell TransplantationHematopoietic Stem CellsGraft vs Tumor EffectTransplantation, AutologousBone Marrow TransplantationLeukemiaEmbryonic Stem CellsSpinal CordAdult Stem CellsTreatment OutcomeRetrospective StudiesPluripotent Stem CellsRecurrenceCell DifferentiationTime FactorsAcute DiseaseSpinal Cord InjuriesStem Cell NicheTransplantation ChimeraInduced Pluripotent Stem CellsNeural Stem CellsMesenchymal Stromal CellsAntigens, CD34Graft SurvivalCells, CulturedSurvival RateMultipotent Stem CellsStem Cell FactorT-LymphocytesUmbilical CordMesenchymal Stem Cell TransplantationTissue DonorsHistocompatibility TestingIsoantigensLymphocyte Culture Test, MixedWhole-Body IrradiationCell LineageBone Marrow CellsFollow-Up StudiesPeripheral Blood Stem Cell TransplantationHistocompatibilityMice, Inbred C57BLFlow CytometryBlood BanksCell SeparationTransplantation, IsogeneicHematopoietic Stem Cell MobilizationBusulfanRisk FactorsCell ProliferationProspective StudiesInfant, NewbornMyeloablative AgonistsHematopoiesisFetal Stem CellsAntigens, CDCell Culture TechniquesLymphocyte ActivationLeukemia, Myeloid, AcuteMice, SCIDChimerismTransplantation ImmunologySkin TransplantationImmunophenotypingStem Cell ResearchMice, Inbred BALB CHLA AntigensImmunosuppressive AgentsGraft RejectionRemission InductionLeukemia, Myelogenous, Chronic, BCR-ABL PositiveVidarabineGraft vs Host ReactionPlant StemsLymphocyte DepletionColony-Forming Units AssayImmunosuppressionPregnancy