IFNG and Huntington disease: ELISA results indicated that HD markedly reduced IFN-γ (275.40 ± 16.42, 263.60 ± 18.85, 211.80 ± 10.86 in the HD group vs. 340.80 ± 22.15 in the model group; Figure 2E) and IL-13 (219.50 ± 15.74, 203.80 ± 19.4, 163.90 ± 6.60 in the HD group vs. 276.1 ± 14.37 in the model group; Figure 2F) levels.