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  • Title: Female ovarian steroids in epilepsy: a cause or remedy.
    Author: Alam MN, Ahmad A, Al-Abbasi FA, Ahmad A.
    Journal: Pharmacol Rep; 2013; 65(4):802-12. PubMed ID: 24145074.
    Abstract:
    In this article, we review published preclinical and clinical studies that examine the role of female ovarian steroids (estrogen and progesterone) in epilepsy. Its effects on the reproductive and endocrine system are well known but a large and growing body of evidences indicates that the hormones also exert neuroprotective effects on the central nervous system. Estrogen crosses the blood-brain barrier due to its low molecular weight and lipophilic properties and easily reaches the neuronal tissue. Estrogens and progesterone influence neuronal activity and are important for normal brain functions. It is commonly accepted that estrogens may increase neuronal excitability and thus mediate proconvulsant effects whereas in case of progesterone, various preclinical and clinical studies have proved that progesterone shows anticonvulsant effects. To concise our review we concluded that the effects of estrogens and progesterone on seizures depend on various factors, such as treatment duration and latency prior to the seizure testing, dose, hormonal status, the seizure type/model used and sex.
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