TRIM63 and neuromuscular disease caused by qualitative or quantitative defects of dysferlin: Quantification revealed a high percentage of MuRF-1-positive myofibers in IMNM than in dysferlinopathy (p = 0.0448), but no difference between IMNM and DM, or anti-SRP+ and anti-HMGCR+ IMNM (Figure 1B).