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. 2017 Jul 6;16(3):2588–2594. doi: 10.3892/mmr.2017.6935

Figure 1.

Figure 1.

Effect of curcumin on PM2.5-induced proliferation and apoptosis of HMEC-1. (A) Effect of PM2.5 on HMEC-1 proliferation by MTT. (B) Effect of curcumin against PM2.5-induced proliferation by MTT. (C) Apoptosis of HMEC-1 following PM2.5 treatment assessed using annexin V-fluorescein isothiocyanate/propidium iodide assay. (D) Apoptosis of HMEC-1 pretreated with curcumin following PM2.5 treatment assessed using annexin V-fluorescein isothiocyanate/propidium iodide assay. Cells in Q2 and Q3 were regarded as apoptotic cells. *P<0.05 vs. control (n=3 independent experiments). PM2.5, particulate matter ≤2.5 µm diameter; HMEC-1, human microvascular endothelial cells.