Central ToleranceSelf ToleranceImmune ToleranceThymus GlandClonal DeletionAutoantigensAutoimmunityDrug ToleranceLymphotoxin beta ReceptorPolyendocrinopathies, AutoimmuneMice, TransgenicMice, Inbred C57BLMice, KnockoutT-LymphocytesTranscription FactorsMice, Inbred NODEpithelial CellsGlucose Tolerance TestT-Lymphocytes, RegulatoryAntigen-Presenting CellsDendritic CellsAutoantibodiesMice, Inbred BALB CT-Lymphocyte SubsetsB-LymphocytesCD4-Positive T-LymphocytesTransplantation ToleranceCell DifferentiationReceptors, Antigen, T-CellLymphocyte ActivationSignal Transduction