Figure 6

Cytoplasmic versus nuclear % LP cells stained with: (A) β-catenin (B) Snail1 and (C) Twist; comparing healthy non-smokers (N-C) n = 15, smokers with normal lung function (NLFS) n = 15, current smoking COPD (COPD-CS) n = 20 and ex-smokers with COPD (COPD-EX) n = 15.