Fig. 7
From: Macrophage autophagy protects mice from cerium oxide nanoparticle-induced lung fibrosis
Fibroblast differentiation in vitro. Representative images of WT fibroblasts exposed to supernatant of Vehicle (Control) or CeO2 NP-exposed macrophages obtained from WT or Atg5+/− mice, and immuno-stained for SMA, Collagen type I or type III