Fetal BloodUmbilical VeinsUmbilical ArteriesHuman Umbilical Vein Endothelial CellsSpinal CordUmbilical CordEndothelium, VascularSpinal Cord InjuriesCells, CulturedKidney TransplantationEndothelial CellsTransplantsInfant, NewbornCord Blood Stem Cell TransplantationBlood BanksHernia, UmbilicalPregnancyGraft SurvivalAntigens, CD34Graft RejectionTransplantation, HomologousHematopoietic Stem CellsImmunosuppressive AgentsTissue DonorsHematopoietic Stem Cell TransplantationTime FactorsHeart TransplantationTransplantationMaternal-Fetal ExchangeUmbilicusHistocompatibility TestingLung TransplantationCell AdhesionNeovascularization, PhysiologicCell DifferentiationGraft vs Host DiseaseFlow CytometryAntigens, CDTreatment OutcomeBone Marrow TransplantationCell Culture TechniquesMesenchymal Stromal CellsCell SeparationMice, SCIDRNA, MessengerRetrospective StudiesCyclosporineCell MovementEndotheliumCell ProliferationE-SelectinTissue and Organ ProcurementVascular Cell Adhesion Molecule-1Gestational AgeFetal Tissue TransplantationTacrolimusTransplantation ConditioningFetusPlacentaStem CellsVascular Endothelial Growth Factor ACoculture TechniquesPostoperative ComplicationsSpinal Cord DiseasesWharton JellyImmunosuppressionHematologic NeoplasmsLiving DonorsCytomegalovirus InfectionsColony-Forming Units AssayImmunophenotypingTumor Necrosis Factor-alphaMice, Inbred NODIntercellular Adhesion Molecule-1Spinal Cord CompressionUltrasonography, PrenatalWaiting ListsCell DivisionDose-Response Relationship, DrugCell SurvivalHistocompatibilityHLA AntigensBone Marrow CellsAngiogenesis InhibitorsNeovascularization, PathologicStem Cell TransplantationSignal TransductionLeukocytes, MononuclearSpermatic CordReverse Transcriptase Polymerase Chain ReactionTransplantation, HeterologousTransplantation ImmunologyCulture Media, ConditionedNitric Oxide Synthase Type IIIMycophenolic AcidCell Adhesion MoleculesGene Expression RegulationTransplantation ChimeraAntigens, CD38Cell Lineage