1 patient data entry collated from reference Johansen et al, 2008. Entry # | Mutations | allele 1 | allele 2 |
| Clinical representation | Symptoms | Age group | Patient age | Age of onset | Age of death | | 410 | W748S5
| W748S5
| Presented with focal epileptic seizures, external ophthalmoplegia and gait unsteadiness. At age 28, during her first pregnancy, she was admitted with focal epileptic seizures that were highly resistant to treatment. Two months later her symptoms worsened and included myoclonic jerks in the extremities and facial dyskinesias. Treatment with sodium valproate resulted in acute severe hepatic failure and she underwent a successful liver transplantation. At 35 mild cognitive deficit, cerebellar dysarthria, palatal tremor, facial dyskinesias, myoclonus, cerebellar and sensory ataxia and signs of peripheral neuropathy with loss of reflexes and sensory disturbance were also present | - | movement disorder (ataxia) | |
- | external ophthalmoplegia | |
| | 35 | 19 | n/a |
1-5 pathogenic cluster assignment of mutations. Mutations displayed without a superscript number are outside of the assigned pathogenic clusters. See cluster definitions for details.
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