TNFSF13B and Miyoshi myopathy: Serum levels of BAFF in MM patients were found to be significantly higher (6.0 ± 1.88 ng/mL) than in healthy controls (2.25 ± 0.71 ng/mL) in a study by Wang et al. [72] and elsewhere [74–76] and correlated with disease progression and intensity of plasma cell infiltration [76].