Fig. 7

Cytokine levels in young and aged WT and KO mice. a TNF-α, b KC/GRO, c IFN-γ, d IL-6, e IL-2, f IL-1β, g IL-10, and h IL-4 level were compared between the indicated groups. Error bars show mean ± SEM. n = 14–19, *P < 0.05, **P < 0.005, ***P < 0.001, and ****P < 0.000 1