Fig. 3.
CPR protein levels decrease while NQO1 protein levels and activity increase with age. CPR protein levels (A), and NQO1 activity (B) and protein levels (C) in liver tissue homogenates from young (Y) and old (O) animals were evaluated. N=3 for A, B and C, *p=0.0137, 0.0185 and 0.0019 respectively.