Melatonin and Epilepsy
Abstract
Epilepsy is a chronic neurological disease with recurrent seizures. Its incidence, the social and psychological aspects of epilepsy-associated stigmatization in society, the medical risk of severe seizures, and the challenges in treatment confirm its medical and social significance. The pathogenesis of the diseases is associated with abnormal activity of a population of neurons due to various mechanisms, the most frequent being oxidative stress, glutamate excitotoxicity, and mitochondrial dysfunction. In the last 3-4 decades, the possible connection between epilepsy and melatonin - a neurohormone secreted by the pineal gland - has been sought and studied. Various physiological functions of melatonin in humans have been proven - regulation of circadian rhythms (diurnal, seasonal), sleep and wakefulness, participation in the processes of thermoregulation, tumour growth and aging, sexual activity and reproductive functions. It also has immunomodulatory, cytoprotective and antioxidant activity. The results from the studies with experimental models with animals conducted so far in search of a correlation between melatonin and epileptogenesis are mainly in support of the hypothesis of its anticonvulsant effect. The studies with humans are diverse in design, with a smaller number of participants, and the results are not always in explicit support of this hypothesis. The correlation between melatonin concentration and the course of the disease in patients with epilepsy has been…
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