GSH & Epilepsy & Seizures
Superoxide dismutase and
glutathione peroxidase function in progressive myoclonus epilepsies
Ben-Menachem E,
Kyllerman M, and others. [Epilepsy Res 2000 Jun;40(1):33-9.] "Progressive
myoclonic epilepsies (EPM) are difficult to treat and refractory to most
antiepileptic drugs. Besides epilepsy, EPMs also involve continuous neurological
deterioration. Oxidative stress is thought to be an important factor in this
process. We therefore analyzed a series of antioxidant enzymes in the blood of
patients and compared with healthy age matched controls. In addition patients
were given high doses of N-acetylcysteine (NAC), a glutathione percursor to
determine if symptoms of EPM would improve. Five patients, four with EPM 1 (Unverricht-Lundborg
disease) and one patient with EPM2 (Lafora body disease) were treated with 6
g/day of NAC. NAC improved markedly and stabilized the neurological symptoms in
patients with EPM 1 but had a doubtful effect in the patient with EPM 2."
Glutathione peroxidase
deficiency and childhood seizures
Beutler E, Curnutte JT, Forman L. [Lancet 1991 Sep 14;338(8768):700 -
Comment on:
Lancet. 1991 Jun 15;337(8755):1443-4.]
4 children
with intractable seizures, repeated infections, and intolerance to
anticonvulsants had evidence of glutathione peroxidase deficiency. 2 had low
intracellular enzyme activity but normal blood selenium and high plasma
glutathione peroxidase concentrations. The other 2 had low intracellular
glutathione peroxidase activity with low circulating glutathione peroxidase and
selenium concentrations. The clinical state of the children improved after
discontinuation of anticonvulsant medication and selenium substitution.
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