CD38 and Miyoshi myopathy: Differences in miRNA levels in patients with sMM (n = 18) and MM (n = 76) in bone marrow aspirates were also described by Papanota et al. The authors showed that the levels of miR-16-5p and miR155-5p in CD38+ plasma cells were significantly reduced in the group of patients with full-blown MM compared to those in the sMM group [39].