alexa Effect of coenzyme Q10 (CoQ10) on superoxide dismutase activity in ET-1 and ET-3 experimental models of cerebral ischemia in the rat.


Journal of Alzheimers Disease & Parkinsonism

Author(s): Ostrowski RP, Ostrowski RP

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Abstract The aim of the work was to evaluate the influence of CoQ10 on superoxide dismutase (SOD) activity levels in the rat model of cerebral ischemia induced by endothelins (ET-1 or ET-3). ETs (20 pmol) were injected into the right lateral cerebral ventricle and immediately CoQ10 was given intraperitoneally (10 mg/kg b.w.). In the brains of experimental animals subjected both to ET-1 and ET-2 administration there was observed a decrease of SOD activity in the brain stem, in the cerebrallum and in the cerebral cortex at all time intervals. ET-1, as compared to ET-3 evoked longer lasting disturbances in SOD activity. In the cerebellum and in the cerebral cortex positive effect of CoQ10 and recovery to the control values was noted after 4 hours in the group subjected to ET-3 injection and after 24 hours in the ET-1 treated animal. Investigated brain areas showed different sensitivity to ETs. Above data may indicate on beneficial effect CoQ10 in the cerebral ischemia via decrease of free radicals concentration.
This article was published in Folia Neuropathol and referenced in Journal of Alzheimers Disease & Parkinsonism

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