Fig. 7From: PM2.5 exposure induced renal injury via the activation of the autophagic pathway in the rat and HK-2 cellEffects of PM2.5 exposure on cell morphology and autophagy in HK-2 cells. TEM images showing morphological changes and autophagosomes in PM2.5 (400 μg/mL)-treated HK-2 cells. Red arrows indicate autophagosomes. N, nucleusBack to article page