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. 2019 Aug 23;20(6):5032–5040. doi: 10.3892/mmr.2019.10612

Figure 2.

Figure 2.

Curcumin reduces ROS levels and apoptosis in PQ-treated WI-38VA13 cells. PQ (10 µmol/l) and curcumin (300 µmol/l) were selected as the experimental concentrations for subsequent experiments. (A) Curcumin enhanced the viability of PQ-damaged WI-38VA13 cells. (B and D) Effects of PQ and curcumin on ROS levels. (C and E) Effects of PQ and curcumin on the apoptosis of WI-38VA13 cells. Data are presented as the mean ± standard error of the mean (n=3). *P<0.05, **P<0.01 vs. control; ^P<0.05, ^^P<0.01 vs. PQ; #P<0.05, ##P<0.01 vs. PQ + Cur. Cur, curcumin; OD, optical density; PI, propidium iodide; PQ, paraquat; ROS, reactive oxygen species.