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. 2020 May 25;14:2047–2060. doi: 10.2147/DDDT.S248628

Figure 2.

Figure 2

Melatonin attenuated A/R injury in H9c2 cells by alleviating myocardial oxidative stress, decreasing MPTP opening and restoring the MMP, but these effects were lessened by 4-P-PDOT or 3-TYP and enhanced by IIK7. (A) ROS production. (B) MDA content. (C) SOD content. (D) GSH-Px level. (E) MPTP opening was determined by calcein-AM flow cytometry assay. (F) The MMP was determined by JC-1 staining. (G) Fold change in calcein-AM fluorescence. (H) The MMP is expressed as the ratio of red/green fluorescence. Data are described as the mean ± SEM (n=6 in each group). *P < 0.05 vs the control group; #P < 0.05 vs the A/R group; &P < 0.05 vs the A/R + Mel group.