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PROGRESSIVE EXTERNAL OPHTHALMOPLEGIA WITH MITOCHONDRIAL DNA DELETIONS (PEO)

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