Trends in Immunology
Volume 30, Issue 7, July 2009, Pages 301-305
Journal home page for Trends in Immunology

Review
Immune senescence special issue. Free access sponsored by the National Institutes of Health
T-cell immunosenescence: lessons learned from mouse models of aging

https://doi.org/10.1016/j.it.2009.04.007Get rights and content

It is well established that increasing age is associated with a decreased capacity of the immune system to mediate effective immune responses to vaccination and invading pathogens. Because of the inherent limitations of conducting experiments in humans, much of what we have learned is owed to the utility of experimental mouse models of aging. Recent studies performed in the mouse have demonstrated mechanisms responsible for age-related declines in the function of CD4+ and CD8+ cells. This review describes key findings regarding age-related defects in T-cell function and discusses the impact these defects have on vaccine efficacy and immunity.

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