Article
Age-related CD8+ T cell clonal expansions express elevated levels of CD122 and CD127 and display defects in perceiving homeostatic signals.
Journal of immunology (Baltimore, Md. : 1950) - 1 Sept 2006
Messaoudi Ilhem, Warner Jessica, Nikolich-Zugich Janko
Abstract excerpt
Aging is accompanied by numerous changes in T cell biology. Among the most dramatic changes at the population level are the appearance and persistence of CD8+ T cell clonal expansions (TCE), whose frequency increases steadily with age, and whose biology is incompletely understood. In this study, we examined trafficking, phenotypic makeup, and homeostatic responsiveness of TCE, which arise spontaneously in...
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