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UVB enhances PM2.5 induced autophagy. (A,B) Autophagy was enhanced after PM2.5 combined with UVB. (C) ROS production increased after PM2.5 combined with UVB. Magnification: 200×. Each experiment was performed in triplicate and data are presented as mean ± SD. One-way ANOVA and Dunnett’s Multiple comparison test were used to analyze the data (*P<0.05, **P<0.01, ***P<0.001).
