Background: MT-TA (OMIM 590000), one of 22 mitochondrial transfer-RNA (mt-tRNA) genes, encodes the mt-tRNA for alanine. Pathogenic variants in genes affect translation respiratory chain complexes I, III, and IV; which leads to dysfunction a clinically variable phenotype. pathogenic have been described only seven patients, all whom had isolated myopathy Methods: Case report. Results: Our patient...