Dichloroacetate (DCA) impact on in vivo inflammatory immune response. (a) IgG anti-collagen II antibody levels from the DCA-drinking group and the water-drinking group. (b) Serum pro-inflammatory cytokine intereukin-6 (IL-6) levels from DCA-drinking mice and water controls. Values from two experiments were pooled. The DCA-drinking group and the water-drinking group each contained 14 mice. OD: optical density.