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. 2018 Sep 23;2018:5469159. doi: 10.1155/2018/5469159

Figure 5.

Figure 5

Levels of coenzyme Q10 in HDF analyzed by HPLC. HDF were serially passaged under the two oxygen tensions (21% and 5%), and at matched cell passage, intracellular CoQ10 was analyzed at various stages of cellular aging—young (Y) and old (O) HDF. Total CoQ10 levels (a) and % of oxidized CoQ10 (b) in HDF. Error bars represent ± SD. ∗∗ p < 0.01; ∗∗∗ p < 0.001.