Functional Imbalance of Glutamate- and GABAergic Neuronal Systems in the Pathogenesis of Focal Drug-Resistant Epilepsy in Humans.

Bulletin of Experimental Biology and Medicine
T A SazhinaE D Bazhanova

Abstract

The mechanisms of the formation of pharmacological resistance in temporal focal epilepsy remain poorly understood, and effective treatment strategies that can suppress epileptogenesis do not currently exist. We studied the imbalance between the glutamatergic (stimulating) and GABAergic (inhibitory) neuronal systems, as well as the role of apoptotic processes in the pathogenesis of drug-resistant epilepsy. To this end, the expression of Gad65, Vglut2, NR2B, Bcl-2, and caspase-8 proteins was analyzed in the gray and white matter of the temporal cortex of human brain. It was shown that pathological processes in the glutamatergic and GABAergic systems related to drug-resistant epilepsy are accompanied by changes in the content of apoptotic proteins, which can be the cause of neuronal death.

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