We examined the gene expression levels of ASF1B, CD82B, CRISP3, FN1, MEF2B, PD-L1, PPARγ, TERT, TIMP1, TOP2A, TP53 in the MM samples with contrasting prognostic profiles (favorable (n = 28) vs. unfavorable (n = 17)). The gene discussed is FN1; the disease is Miyoshi myopathy.