Kidney TransplantationImmune SystemTransplantsGraft RejectionImmunosuppressive AgentsGraft SurvivalTransplantation, HomologousHeart TransplantationTransplantationTissue DonorsLung TransplantationImmune ToleranceBone Marrow TransplantationImmunosuppressionTissue and Organ ProcurementTime FactorsCyclosporineTacrolimusTreatment OutcomeImmunity, InnateT-LymphocytesLiving DonorsHematopoietic Stem Cell TransplantationPostoperative ComplicationsWaiting ListsMice, Inbred C57BLCytomegalovirus InfectionsRetrospective StudiesImmunity, CellularMice, Inbred BALB CImmune EvasionTransplantation ImmunologyFetal Tissue TransplantationAntigen-Antibody ComplexImmune SeraHistocompatibility TestingImmunocompromised HostMycophenolic AcidCytokinesImmunoglobulin GImmunityLymphocyte ActivationAntibody FormationImmune System DiseasesCadaverGraft vs Host DiseaseKidney Failure, ChronicSpleenLiver FailureImmune Complex DiseasesInterferon-gammaCD4-Positive T-LymphocytesDendritic CellsTransplantation, AutologousHeart-Lung TransplantationRisk FactorsFollow-Up StudiesCytomegalovirusBrain Tissue TransplantationHLA AntigensTransplantation ToleranceTransplantation, HeterotopicHistocompatibilityBronchiolitis ObliteransFlow CytometryAdaptive ImmunityCells, CulturedOpportunistic InfectionsIsoantibodiesImmunity, HumoralB-LymphocytesDisease Models, AnimalRecurrenceAntibodies, ViralKidneySurvival AnalysisTransplantation ConditioningEnzyme-Linked Immunosorbent AssayLymphocytesAntilymphocyte SerumBiopsyImmunizationBK VirusMice, KnockoutSurvival RateMacrophagesT-Lymphocytes, RegulatoryInfectionTransplantation, IsogeneicAdjuvants, ImmunologicAcute DiseaseGanciclovirLymphoproliferative DisordersProspective StudiesPolyomavirus InfectionsInflammationAntibodies, MonoclonalIslets of Langerhans TransplantationHematologic NeoplasmsKiller Cells, Natural