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NIA protected DNA from PM2.5-induced oxidative damage. (A) 8-OHdG ELISA (Bioxytech) kit was used to measure the level of 8-OHdG. (B) Avidin-TRITC conjugate was examined to evaluate the DNA oxidative adducts of 8-oxoG using confocal microscopy. (C) Comet assay was used to detect PM2.5-induced DNA damage. *p<0.05 and #p<0.05 compared with control cells and PM2.5-exposed cells, respectively.
