LymphopeniaRats, Inbred BBHomeostasisInterleukin-7Adoptive TransferGenes, RAG-1Receptors, Interleukin-7CD4-Positive T-LymphocytesImmunologic MemoryMice, Inbred C57BLCD8-Positive T-LymphocytesMice, TransgenicLymphocyte ActivationT-Lymphocyte SubsetsMice, KnockoutAutoimmunityThymus GlandReceptors, Antigen, T-CellLymphocyte DepletionT-LymphocytesSelf ToleranceCell ProliferationLymphocyte CountT-Lymphocytes, RegulatoryInterleukin-15ImmunophenotypingReceptors, Interleukin-2Flow CytometryInterleukin-2 Receptor alpha SubunitSpleenMelanoma, ExperimentalMice, Inbred BALB CAntigens, CD44Cell DifferentiationLymph NodesImmune ToleranceLymphoid TissueCell DivisionForkhead Transcription FactorsSignal TransductionCells, CulturedInterferon-gammaB-LymphocytesCytokines