Mohr-Tranebjaerg Syndrome, also known as deafness-dystonia-optic neuronopathy syndrome, is related to dystonia and x-linked nonsyndromic deafness, and has symptoms including dystonia, muscle spasticity and tremor. An important gene associated with Mohr-Tranebjaerg Syndrome is TIMM8A (Translocase Of Inner Mitochondrial Membrane 8A), and among its related pathways/superpathways is Peroxisomal lipid metabolism. Affiliated tissues include eye and brain, and related phenotypes are abnormal pyramidal sign and sensorineural hearing impairment