Graft RejectionTransplantation, HomologousSkin TransplantationGraft SurvivalTransplantation, IsogeneicCorneal TransplantationHeart TransplantationBone Marrow TransplantationKidney TransplantationGraft vs Host DiseaseRejection (Psychology)Immunosuppressive AgentsTransplantation ImmunologyIsoantigensKeratoplasty, PenetratingHematopoietic Stem Cell TransplantationTransplantation ToleranceT-LymphocytesImmunosuppressionMice, Inbred C57BLHistocompatibility TestingGraft Occlusion, VascularCyclosporineMice, Inbred BALB CTransplantation ChimeraTransplantation ConditioningHistocompatibilityRats, Inbred LewIsoantibodiesTissue DonorsLiver TransplantationLymphocyte Culture Test, MixedGraft vs Host ReactionGraft Enhancement, ImmunologicTime FactorsLymphocyte DepletionAcute DiseaseIslets of Langerhans TransplantationTransplantation, HeterotopicTreatment OutcomeImmune ToleranceTacrolimusCyclosporinsAntilymphocyte SerumLung TransplantationWhole-Body IrradiationHost vs Graft ReactionAnemia, AplasticHLA AntigensLymphocyte ActivationHematologic NeoplasmsTransplantationCD8-Positive T-LymphocytesRats, Inbred WFRetrospective StudiesCytotoxicity, ImmunologicHistocompatibility AntigensRadiation ChimeraMice, Inbred C3HOrgan TransplantationMinor Histocompatibility AntigensH-2 AntigensH-Y AntigenSpleenT-Lymphocytes, CytotoxicAntibodies, MonoclonalMinor Histocompatibility LociMice, Inbred StrainsBlood Vessel ProsthesisLeukocyte TransfusionT-Lymphocytes, RegulatoryCorneaPostoperative ComplicationsRecurrenceGraft vs Tumor EffectRats, Inbred BNTransplantation, AutologousMajor Histocompatibility ComplexCD4-Positive T-LymphocytesTransplantation, HeterologousMice, Inbred CBALeukemiaCD40 LigandT-Lymphocyte SubsetsCorneal OpacityBiopsyFollow-Up StudiesRats, Inbred ACILymphocytesKiller Cells, NaturalDendritic CellsEndothelium, CornealCytotoxicity Tests, ImmunologicStem Cell TransplantationPolytetrafluoroethyleneDNA Probes, HLACadaverFlow CytometryChimerismCytomegalovirus Infections