An international joint research group found that the cause of heart arrhythmia in myotonic dystrophy was RNA abnormalities in the sodium channel in the heart, clarifying the symptom’s mechanism. This finding will be helpful in prevention and early intervention of death in this disease, leading to the development of new treatment.
Myotonic dystrophy, or DM is the most common muscular dystrophy in adults. However, there are currently no cure for DM and there are significant cases of sudden death suspected to be due to heart arrhythmia.
