Fetal BloodAntigens, CD34Hematopoietic Stem CellsHematopoietic Stem Cell TransplantationMice, SCIDAntigens, CD38Cord Blood Stem Cell TransplantationHematopoiesisColony-Forming Units AssayCell Culture TechniquesSpinal CordAntigens, CDCell DifferentiationMice, Inbred NODCells, CulturedThrombopoietinStem Cell FactorImmunophenotypingBone Marrow CellsFlow CytometryAntigens, CD3ADP-ribosyl CyclaseInterleukin-3CD4-Positive T-LymphocytesAntigens, CD8Antigens, CD1MegakaryocytesCell DivisionCell LineageCell SeparationCell ProliferationAntigens, CD28Spinal Cord InjuriesInfant, NewbornCoculture TechniquesAntigens, CD14Stem CellsNAD+ NucleosidaseTransduction, GeneticCD40 LigandBlood CellsAntigens, CD40Antigens, CD44Stromal CellsT-LymphocytesHematopoietic Cell Growth FactorsHematopoietic SystemCD4-CD8 RatioLymphocyte ActivationUmbilical CordCD8-Positive T-LymphocytesAntigens, CD45CytokinesGenetic VectorsTransplantation, HeterologousAntigens, CD56Dendritic CellsRetroviridaeGraft vs Host DiseaseBlood BanksTransplantation, HomologousBone MarrowGranulocyte-Macrophage Colony-Stimulating FactorMice, Inbred C57BLLentivirusCulture Media, Serum-FreeAntigens, DifferentiationLimbus CorneaeKiller Cells, NaturalCell LineMembrane GlycoproteinsHematopoietic Stem Cell MobilizationK562 CellsT-Lymphocytes, RegulatoryAntigens, CD5Antigens, CD19Leukocytes, MononuclearErythroid Precursor CellsAntigens, CD2Interleukin-11Immunotherapy, AdoptiveTime FactorsGraft SurvivalReverse Transcriptase Polymerase Chain ReactionCell SurvivalTransplantation ConditioningClone CellsMembrane ProteinsHematologic NeoplasmsAntigens, CD80ApoptosisAntigens, CD7Whole-Body IrradiationPhenotypePregnancyInterleukin-2Antigens, CD95RNA, MessengerT-Lymphocyte SubsetsGranulocyte Colony-Stimulating Factor