SOD1 and type 2 diabetes mellitus: As shown for T2DM with DR, T2DM without DR presented significant different levels of selenium, zinc, magnesium, FPG, ox-LDL, GGT, uric acid, TBARS, SOD, 8-OHdG, 8-isoprostane, TAOS, vitamin C, vitamin E, and vitamin D in comparison with those from controls.