Among these, CEBPD, METTL21EP, DUSP8, NELL2, UBE3D, PDK4, DDIT4, FKBP5, DGAT2, LIPG, TDH, RGCC, COL4A5, and COL4A6 were associated with this myopathy for the first time. This evidence concerns the gene METTL21EP and myopathy.