GDF15 and Miyoshi myopathy: Among MM markers overexpressed by MM MSCs, MM and HD ASCs did not show excessive secretion of GDF15 as compared with MM MSCs (0.4 ± 0.1 and 0.2 ± 0.05 vs. 2.8 ± 0.4 ng/ml for HD ASCs and MM ASC vs. MM MSCs, respectively, Figure 4(a)).