Interaction between single nucleotide polymorphism in catalase: Gene and catalase activity under the conditions of oxidative stress

Autor: S. N. Gyrylova, Korostileva Ka, T. G. Ruksha, A. V. Komina, R N Belonogov
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Zdroj: Scopus-Elsevier
Popis: Catalase is an antioxidant enzyme the activity of which is crucial for the protection against damage caused by reactive oxygen species. The –262C>T polymorphism in the promoter region of catalase gene was found to be associated with altered catalase levels. In this study, peripheral blood mononuclear cells catalase activity was measured after H2O2-induced oxidative stress. C/T and T/T genotypes were associated with the decrease of catalase levels in contrast to C/C donors who had elevated catalase activity in the presence of 0.4 and 0.7 mM H2O2. Genotype-dependent response of catalase activity to oxidative stress might be related to the predisposition of catalase mutant allele carriers to disorders mediated by oxidative stress.
Databáze: OpenAIRE