Fig. 5.

Changes in contents of CoQ_n and CoQ_nH₂ in control cells and CoQ₉-enriched cells following treatment with AAPH (A) or AMVN (B). Control and CoQ₉-enriched cells were incubated as described in the legend to Fig. 2. The concentrations of CoQ_n and CoQ_nH₂ in the cells were determined by HPLC as described in Materials and Methods. Data points represent the means ± SE (n = 3). *p<0.05 vs 0-h incubation time.