Transplantation ToleranceImmune ToleranceSkin TransplantationTransplantation, HomologousLiver TransplantationTransplantation ImmunologyHeart TransplantationBone Marrow TransplantationKidney TransplantationGraft RejectionGraft SurvivalDrug ToleranceHematopoietic Stem Cell TransplantationTransplantation ChimeraIslets of Langerhans TransplantationOrgan TransplantationTransplantation, AutologousLung TransplantationTransplantation, HeterotopicTissue DonorsIsoantigensCD40 LigandTransplantation ConditioningMice, Inbred C57BLStem Cell TransplantationImmunosuppressionMice, Inbred BALB CImmunosuppressive AgentsChimerismT-LymphocytesRadiation ChimeraT-Lymphocytes, RegulatoryGraft vs Host DiseaseGraft Enhancement, ImmunologicPancreas TransplantationInjections, IntralymphaticTransplantationMice, Inbred CBACell TransplantationTime FactorsMice, Inbred C3HGlucose Tolerance TestClonal DeletionAdoptive TransferMice, TransgenicLymphocyte Culture Test, MixedLymphocyte TransfusionLymphocyte DepletionThymus GlandChimeraSpleenCD4-Positive T-LymphocytesTransplantation, IsogeneicTreatment OutcomeRats, Inbred LewThymectomyLymphocyte ActivationLiving DonorsAntibodies, MonoclonalMice, KnockoutCord Blood Stem Cell TransplantationHeart-Lung TransplantationCD8-Positive T-LymphocytesIsoantibodiesSelf ToleranceImmunoconjugatesHistocompatibility TestingT-Lymphocyte SubsetsMice, Inbred StrainsRats, Inbred ACITissue and Organ ProcurementCTLA-4 AntigenFlow CytometryRetrospective StudiesEnzyme InductionPeripheral Blood Stem Cell TransplantationInjections, IntraperitonealTransplantation, HeterologousLiver FailureReceptors, Interleukin-2Fetal Tissue TransplantationH-2 AntigensAntibodies, BlockingForkhead Transcription FactorsWhole-Body IrradiationAntigens, CD4Dendritic CellsPostoperative ComplicationsModels, ImmunologicalAntigens, CD40Antigens, DifferentiationAntigens, CDClonal AnergyAntigensRecurrenceCostimulatory and Inhibitory T-Cell ReceptorsCells, CulturedWaiting ListsAntigens, CD80Histocompatibility