Fig. 2.
PM2.5-induced infiltration of inflammatory cells in lungs was ameliorated by fish oil. Pathological changes and morphological alteration of lung tissues were evaluated by HE staining. a PBS group; (b) PM2.5 alone group; (c) corn oil group; (d) corn oil + PM2.5 group; (e) fish oil group; (f) fish oil + PM2.5 group; (g) Vit E group; (h) Vit E + PM2.5 group. Yellow and red arrows showed infiltration of inflammatory cells (lymphocyte and macrophage), bars 10 μm