Figure 3

SM inhibiting over-activated Ras could be reverted by NAC, but not PQ.
C: control. NAC, 2.5 mM N-Acety-L-Cysteine; PQ, 0.5 mM paraquat. Data is presented as the mean ± SD of at least three independent experiments. Bars with different letters indicated that there was a significant difference at a level of 0.05 among groups.