GPX4 and type 2 diabetes mellitus: Serum GPX4 levels were lower in the T2DM with MA [(53.54 ± 12.55)ng/ml, p <0.001], MI[(67.05 ± 16.07)ng/ml, p <0.001], and NO groups [(68.97 ± 17.95)ng/ml, p <0.001] than in the HC group [(94.35± 30.71)ng/ml].