Charcot-Marie-Tooth Disease, Axonal, Mitochondrial Form, 1, also known as cmtma1, is related to mitochondrial dna-associated leigh syndrome and leigh syndrome. An important gene associated with Charcot-Marie-Tooth Disease, Axonal, Mitochondrial Form, 1 is MT-TV (Mitochondrially Encoded TRNA-Val (GUN)). Affiliated tissues include skeletal muscle, and related phenotypes are fiber type grouping and mitochondrial hypertrophy