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. 2022 May 12;22:192. doi: 10.1186/s12890-022-01988-y

Fig. 2.

Fig. 2

Different concentrations of curcumin alleviate inflammation and oxidative stress in A549 cells. A Western blot analysis images of IL-6 in each group. B The relative protein levels of IL-6 were calculated. C qRT–PCR analysis of IL-6 in each group. D ROS levels measured by DCFH-DA staining and the relative DCF-DA fluorescence intensities were normalized and summarized. Scale bar = 50 μm. The results are shown as the means ± SD of 3 individual experiments. *P < 0.05; **P < 0.01; ***P < 0.001