Journal
EPILEPSY RESEARCH
Volume 127, Issue -, Pages 352-357Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.eplepsyres.2016.09.020
Keywords
Topiramate; Microglial cells; Cytokines; Epilepsy
Categories
Funding
- Medical University of Lodz [502-03/3-011-01/502-34-007, 503/3-011-01/503-06300, 503/3-011-01/503-01]
- European Regional Development Fund [POIG.01.01.02-10-107/09]
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A growing body of evidence suggests that inflammatory processes and activation of glial cells could contribute to seizures and epileptogenesis. In various animal studies on epilepsy, proinflammatory cytokines have been demonstrated to exert a proconvulsive activity. On the other hand, it is suggested that antiepileptic drugs could modulate immune system activity. The aim of the present study was to investigate whether topiramate, a new generation antiepileptic drug with a complex mechanism of action, could affect the lipopolysaccharide (LPS)-induced release of TNF-alpha, IL-1 beta and IL-6 from primary rat microglial cell cultures. Proinflammatory cytokines were measured in supernatants of primary rat microglial cell culture with enzyme-linked immunosorbent assay kits. Additionally, the effect of the drug on LPS-evoked changes in mitochondrial metabolic activity was evaluated with the aid of the MTT test. Topiramate (1, 10, 100 mu g/ml; 24 h incubation) produced a statistically significant decrease in LPS-stimulated IL-1 beta and IL-6 levels from primary rat microglial cells in a concentration-dependent manner. The drug used at a concentration of 100 mu g/ml also significantly suppressed TNF-alpha. release. Incubation of microglial cells with topiramate for 24 h prevented the LPS-induced increase in their mitochondrial activity. It is suggested that the anti-cytokine action of topiramate could provide an additional mechanism in its antiepileptic activity. (C) 2016 Elsevier B.V. All rights reserved.
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