Compared with the control HepG2 cells, a highly significant decrease in the DJ-1 expression level was observed at 0.25–2.0 mg/mL of the GL- and AA-treated groups, but in PL-treated group, highly significant decreases in the expression levels were observed at 0.5–2.0 mg/mL, but there was no significant difference at 0.25 mg/mL.
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The sentences
HepG2 cells treated with GL and AA showed a trend toward increases, whereas HepG2 cells treated with PL showed little change in this protein ( Fig. 6b ).