Figure 7. Combined administration of MWCNTs and PbAc resulted in hepatic lipid peroxidation by inducing antioxidant defense system dysfunction. (A, B) Alterations in SOD, GST, GPx activities as well as GSH, hydrogen peroxide, MDA levels in the control and NAFLD mice livers exposed to the low dose of PbAc, MWCNTs or MWCNTs + PbAc administration (*P<0.05, compared to saline water).