Author:
A.V. SHCHULKIN
Author:
A.V. SHCHULKIN
Place of publication:
JOURNAL OF NEUROLOGY AND PSYCHIATRY, 12, 2018, ISSUE 2
Abstract:
This review article presents a modern concept of the mechanisms of antioxidant and antihypoxic action of the original Russian drug Mexidol (2-ethyl-6-methyl-3-hydroxypyridine succinate). It describes Mexidol's direct antioxidant activity, which consists of its ability to inactivate free radicals and increase the activity of the antioxidant enzymes glutathione peroxidase and superoxide dismutase in vitro. It also presents data on Mexidol's indirect antioxidant activity, manifested by increased expression of the transcription factor Nrf2, which is responsible for the development of cellular resistance to oxidative stress, under ischemic conditions. The antihypoxic effect of Mexidol is discussed. This effect is due to the presence of succinic acid in its molecule. Succinic acid, on the one hand, supports the succinate oxidase component of the Krebs cycle under conditions of oxygen deficiency, and on the other, binds to its specific receptors (GPR91) and triggers a cascade of biochemical reactions that increase the body's resistance to oxygen deficiency. Key words: Mexidol, ethylmethylhydroxypyridine succinate, antioxidant, antihypoxant.
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