IFNG and myositis disease: Remarkably, this treatment was highly effective in preventing myositis, preserving locomotor activity assessed by Catwalk gait analysis (Supplementary Figs. 6d–h and 7), reducing immune cell infiltration (Supplementary Figs. 6i and 8), the expression of IFNγ-related genes (Supplementary Fig. 6j) as well as fibrosis (Supplementary Fig. 9a).