sentence: Treatment with oltipraz normalized the protein levels of Nrf2 and augmented the expression of HO-1 ( F ( 2,12 ) = 15.88 , p < 0.001 , one-way ANOVA vs. the sham-operated and the CCI-injured mice treated with vehicle ; Figure 4B ) and NQO1 ( F ( 2,12 ) = 4.79 , p < 0.030 , one-way ANOVA vs. the sham-operated mice treated with vehicle ; Figure 4C ) in the spinal cord of the CCI-injured mice .