Figure 9

Regression analyses for the current-smoking COPD group (COPD-CS) n = 12: (A) Correlation between number of β-catenin positive basal epithelial cells per mm of Rbm, with TGFβ1 positive basal epithelial cells; (B) Correlation between number of basal epithelial cells positive for β-catenin with pSmad 2/3 positive basal epithelial cells; (C) Correlation between basal epithelial cells expressing Snail1 with pSmad 2/3 positive basal epithelial cells.