Fig. 7
From: Parthenolide attenuated bleomycin-induced pulmonary fibrosis via the NF-κB/Snail signaling pathway
PTL attenuates the BLM-induced expression of NF-κB and Snail. a Immunohistochemical staining for NF-κB and Snail in lung sections. b Expression levels of NF-κB and Snail were evaluated by index of immunohistochemical staining. The number of positively stained cells was calculated from twenty different 400× magnified fields under a microscope. The data represent the mean ± standard deviation (SD), n = 10 per group. *, P < 0.05, **P < 0.01 vs. model group