Table 1

Alterations in T cell compartments with age

T cell

↑ CD45RO+ cells
↑ CD95+ cells
↓ CD28 expression
↑ CD152 expression
↑ inhibitory receptors expression
↓ signal transduction (rafts)
↓ cytokine production (IL-2)
↓ apoptosis of CD8 cells
↑ apoptosis of CD4 cells

Vasto et al. Immunity & Ageing 2007 4:2   doi:10.1186/1742-4933-4-2