Chronic Kidney Disease and Oxidative Stress

Abstract Disturbance of the balance between production of oxygen free radicals (or some other radical species) and activity of antioxidative system of protection causes the so called oxidative stress Protection of an organism from oxygen free radicals implies activity of enzymatic (catalase, SOD, glutathione peroxidase, glutathione reductase etc.) and nonenzymatic (vitamin E. vitamin C. glutathione, uric acid etc.) systems of protection. An organism can tolerate a mild oxidative stress but a higher disturbance between the production of free radicals and the activity of the antioxidative protection results in lipid protein and DNA as well as numerous diseases. In this article we analyze oxidative stress role as an important cofactor contributing to endothelial dysfunction, inflammation, atherosclerosis, glomerulosclerosis, anemia, tubulointerstitial nephritis and ischemia-reperfusion injury to chronic kidney disease patients.