FKTN and neuromuscular disease caused by qualitative or quantitative defects of alpha-dystroglycan: FKRP gene mutations have also been involved in α-Dystroglycanopathies together with PMOT1 (LGMDR11), FKTN (LGMDR13), PMOT2 (LGMDR14), and POMGNT1 (LGMDR15) gene mutations.