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 |