Figure 4. Effects of H₂O₂ and LiCl on ALDH1A1 expression in TM1 cells. A: As assessed by real time PCR. See text for details of treatments. Results shown are average of three independent experiments. Two duplicate real time PCRs were performed in each experiment. Standard deviations are shown. β2M was used as control gene. B: As assessed by western blotting.