Figure 2: Influence of quercetin on inflammatory cytokines against intense exercise exposure in mouse liver. IL-6 (a) and TNF-α (b) mRNA expression levels; and IL-6 (c) and TNF-α (d) serum levels. The data are presented as the mean ± SD ( for ELISA, for mRNA). Significant differences () are indicated by different letters. A: versus Ct; B: versus Ex.