CD4 and Miyoshi myopathy: Similarly, in BM, the proportion of Treg-like cells among CD4+ T cells in MGUS (4.82% ± 1.20%, n = 20, P < 0.0001) was notably higher than healthy controls (2.15% ± 1.10%, n = 18); in MM group, the proportion of Treg-like cells also showed a notable increase (6.20% ± 1.63%, n = 26) compared with MGUS cohort (P = 0.0027) and healthy adult group (P < 0.0001) (Fig. 3b).