CD4 and Huntington disease: At T0, a lower percentage of responding CD4+ and CD8+ T-cells in pwMS compared to HD was observed (CD4: 1.04 [0.85-1.44] and 1.98 [1.52-3.29], respectively, p=0.0165; CD8: 1.00 [0.71-1.34] and 1.82 [1.42-3.48], respectively, p=0.0022) (Figure 2C).