SGCB and limb-girdle muscular dystrophy: However, in China and Turkey the most common cause of LGMD were variants in the DYSF and CAPN3 genes, followed by pathogenic variants in SGCA, LMNA, and other genes (DNAJB6, FKRP, SGCB, SGCD, TRIM32, POMT1, ANO5) [34], and SGCA, CAPN3, and DYSF [35].