“…Previous studies have also shown that the overall activity of SOD is decreased due to the infection in Plasmodium falciparum, Plasmodium knowlesi and Plasmodium berghei-infected cells. [47,48] The loss of the activity of first line of antioxidant enzymes could be due to their entry from the erythrocyte cytoplasm to the digestive vacuole in the parasite via endocytosis. [49] Indeed, in the acidic environment the enzymes could be inactivated, which would increase the levels of free radicals in the infected-erythrocyte, promoting oxidative stress.…”