| PROGRESSIVE EXTERNAL OPHTHALMOPLEGIA WITH MITOCHONDRIAL DNA DELETIONS (PEO) | |
| PEOB1 | |
|
258450
OMIM = Online Mendelian Inheritance of Men | |
|
254886 | |
| DNA polymerase subunit gamma-1 | |
| 15q26.1 |
|
| H49.4 | |
| rare autosomal recessive mutation in the nuclear-encoded DNA polymerase-gamma gene (POLG) | |
| Laboratory findings | 2-Deoxyuridine inc (plasma) 2-Deoxyuridine inc (urine) Creatine kinase normal/inc (plasma) Protein inc (cerebrospinal fluid) |
| Symptoms | ataxia blindness, visual loss, visual impairment cardiomyopathy depression dysarthria dysphagia EMG abnormalities [-] exercise intolerance gastrointestinal dysmotility muscle weakness onset, adulthood ophthalmoplegia optic atrophy ptosis (drooping eyelid) valvular heart disease |