Calycosin Alleviates Injury in Airway Epithelial Cells Caused by PM 2.5 Exposure via Activation of AMPK Signalling

Figure 5

Calycosin inhibits PM 2.5-induced inflammation in vivo. (a) Lung tissue with infiltration of inflammatory cells around the bronchus and vessel after instillation of PM 2.5. (b) Lung injury scores in lung tissue for PM 2.5-instilled mice. (c) Apoptosis was measured by TUNEL assay. (d) The levels in supernatant of IL-6 and IL-8 in mice. (e) Levels of p-AMPK and AMPK in vivo.

(a)

(b)

(c)

(d)

(e)