CD4 and Miyoshi myopathy: Analysis of the expression of ICPs on total CD4+ and CD8+ T cells revealed an increased proportion of T cells expressing PD1 in MM patients (CD4+ T cells: median = 32.13%; CD8+ T cells: median = 35.1%) compared to HD (CD4+ T cells: median = 17.68%; CD8+ T cells: median = 18.2%) (Figure 2(a), Supplementary Figure S1b).