Antioxidant enzymes protect cells against reactive oxygen species. The level of antioxidant enzymes is reduced almost in

cancer cells. The effect of brevinine-2R (B2R) peptide on antioxidant enzyme activities in ...

Cells through antioxidant enzymes such as superoxide dismutase (SOD), catalase and glutathione peroxidase prevent or repair the damages caused by reactive oxygen species. Catalase converts the hydrogen peroxide to the ...