Cutting edge: Virus-specific CD8+ T cell clones and the maintenance of replicative function during a persistent viral infection.
Persistent viral infections induce the differentiation and accumulation of large numbers of senescent CD8(+) T cells, raising the possibility that repetitive stimulation drives clones of T cells to senesce. It is therefore unclear whether T cell responses are maintained by the self-renewal of Ag-experienced peripheral T cell subsets or by the continuous recruitment of newly generated naive T cells during chronic infections. Using a transgenic mouse model that permits the indelible marking of ...Expand abstract
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