SDC1 and Miyoshi myopathy: Using the Mann–Whitney U test, we observed significantly lower levels of miR-15a-5p (p = 0.037), miR-16-5p (p = 0.035), and miR-222-3p (p = 0.037) in the CD138+ cells of MM patients with osteolytic bone lesions, compared to those of MM patients without.