Figure 6.
(A) The immunostaining of MTA1, PKMYT1 and FZR1 in lung tissues of COPD patients with or without lung adenocarcinoma. ×600 magnification. (B) The mean density of the immunohistochemical images of MTA1, PKMYT1 and FZR1. *P<0.05 vs COPD group. (C) The expression of MTA1, PKMYT1 and FZR1 gene in CSE-exposed A549 cells. *P<0.05 vs control group.