Functional characterization of desmin mutant p.P419S

Recently, Hedberg et al1 identified a DES mutation (p.P419S) in a Swedish family, suffering from myofibrillar myopathy (MFM) in combination with arrhythmogenic right ventricular cardiomyopathy (ARVC), by next-generation sequencing. Originally, a linkage analysis indicated that the genetic defect is located on chromosome 10q22.3 in this family.2 The analysis of muscle biopsies of affected patients demonstrated an aggregation of desmin and further...