Figure 6. Changes in reactive oxygen species (ROS) level in RAW246.7 cells. (A) showed fluorescence intensity of p-STAT1, and (B) represented the protein expressions of p-STAT1, t-STAT1, TNF-α, IFN-γ, p47, gp91 and NOX4 in RAW246.7 cells treated with miR-217-5p mimic, PM2.5 and creatine.