MYOM3 and autosomal recessive limb-girdle muscular dystrophy type 2D: Along this line, Rouillon et al. 28 found that two fragments of the myofibrillar structural protein myomesin-3 (MYOM3) were abnormally present in sera of DMD patients, limb-girdle muscular dystrophy type 2D (LGMD2D) and animal models of these diseases.