Cell AgingErythrocyte AgingFibroblastsAnion Exchange Protein 1, ErythrocyteT-Lymphocyte SubsetsCyclin-Dependent Kinase Inhibitor p16Cells, Culturedbeta-GalactosidaseReceptors, Antigen, T-CellFlow CytometryCell LineAgingCD4-Positive T-LymphocytesTelomereImmunologic MemoryCyclin-Dependent Kinase Inhibitor p21T-Lymphocytes, RegulatoryCell ProliferationSignal TransductionDiploidyInterferon-gammaTumor Suppressor Protein p53Mice, TransgenicCell DivisionMice, Inbred BALB CDNA DamageCD8-Positive T-LymphocytesEpitopes, T-LymphocyteGene Expression RegulationHeterochromatinInterleukin-2Receptors, Antigen, T-Cell, alpha-betaCell CycleApoptosisAdoptive TransferMolecular Sequence DataMice, KnockoutUp-RegulationPhenotypeDendritic CellsThymus GlandCytokinesAntigens, CDRNA, MessengerTelomeraseSpleenReceptors, Antigen, T-Cell, gamma-deltaCell Line, TumorClone CellsMice, Inbred C57BLTransfectionDown-RegulationAntigens, CD28Immune ToleranceAntigens, CD4Cell Cycle CheckpointsOxidative StressT-Lymphocytes, CytotoxicLymphocyte CountCytotoxicity, ImmunologicJurkat CellsCell DifferentiationAntigens, Differentiation, T-LymphocyteForkhead Transcription FactorsCell NucleusDNA-Binding ProteinsCaveolinsPeptide FragmentsB-LymphocytesGene ExpressionLymphocyte ActivationCaveolin 1Antigens, CD45Time FactorsErythrocyte MembraneBase SequenceCell Cycle ProteinsBlotting, WesternNeoplasmsRetinoblastoma ProteinTumor Suppressor ProteinsReceptors, Interleukin-2T-Lymphocytes, Helper-InducerTh1 CellsLongevityInterleukin-2 Receptor alpha SubunitReactive Oxygen SpeciesNuclear ProteinsHistocompatibility Antigens Class IIHistonesLymph NodesAntibodies, MonoclonalOvalbuminDNAInterleukin-4AntigensBiological MarkersMembrane GlycoproteinsProtein BindingTh2 Cells