TNFSF14 and Miyoshi myopathy: In culture media of PBMCs and BM mononuclear cells (BMMNCs) from MM-bone disease patients, we found higher LIGHT levels than in those from controls (1939 ± 220 pg/ml vs 74.7 ± 30 pg/ml, p < 0.001; 1750 ± 352 pg/ml vs 66.2 ± 44 pg/ml, p < 0.01, respectively).