SOD1 and cerebrotendinous xanthomatosis: ELISA results analyzing serum revealed that compared with the control group, NO (Figure 3A), MDA (Figure 3B), and IL-6 (Figure 3C) were elevated to varying degrees, and IL-10 (Figure 3D), SOD (Figure 3E), and GABA (Figure 3F) were decreased in the CTX group, with all of them significant (## p < 0.01 or #### p < 0.001).