Transplantation ToleranceSkin TransplantationImmune ToleranceTransplantation, HomologousTransplantation ImmunologyDrug ToleranceHeart TransplantationLiver TransplantationGraft RejectionGraft SurvivalBone Marrow TransplantationKidney TransplantationTransplantation ChimeraHematopoietic Stem Cell TransplantationOrgan TransplantationIsoantigensIslets of Langerhans TransplantationCD40 LigandTissue DonorsTransplantation, HeterotopicGraft Enhancement, ImmunologicInjections, IntralymphaticMice, Inbred C57BLImmunosuppressionLung TransplantationMice, Inbred BALB CRadiation ChimeraTransplantation, AutologousGlucose Tolerance TestT-LymphocytesChimerismT-Lymphocytes, RegulatoryMice, Inbred CBAGraft vs Host DiseaseImmunosuppressive AgentsStem Cell TransplantationTransplantationMice, Inbred C3HLymphocyte TransfusionTransplantation ConditioningTime FactorsLymphocyte Culture Test, MixedPancreas TransplantationLymphocyte DepletionChimeraAdoptive TransferClonal DeletionRats, Inbred ACICD4-Positive T-LymphocytesEnzyme InductionMice, TransgenicThymectomyThymus GlandAntibodies, MonoclonalMice, KnockoutAntibodies, BlockingCell TransplantationIsoantibodiesSpleenTreatment OutcomeCD8-Positive T-LymphocytesLiving DonorsRats, Inbred LewLymphocyte ActivationReceptors, Interleukin-2Costimulatory and Inhibitory T-Cell ReceptorsTransplantation, IsogeneicT-Lymphocyte SubsetsImmunoconjugatesInjections, IntraperitonealCTLA-4 AntigenAntigens, CD4Mice, Inbred StrainsH-2 AntigensHeart-Lung TransplantationRetrospective StudiesHistocompatibility TestingTissue and Organ ProcurementSelf ToleranceFlow CytometryCord Blood Stem Cell TransplantationModels, ImmunologicalForkhead Transcription FactorsAntigens, CD40Postoperative ComplicationsAntigens, CDCyclosporineSignal TransductionAntigens, DifferentiationAntigens, CD80Liver FailureAntigens, CD45TacrolimusDendritic CellsAntigens, CD8Interleukin-2 Receptor alpha SubunitCells, CulturedHistocompatibilityFetal Tissue TransplantationPeripheral Blood Stem Cell Transplantation