Research Article

Ginsenoside Rg1 Ameliorates Cigarette Smoke-Induced Airway Fibrosis by Suppressing the TGF-β1/Smad Pathway In Vivo and In Vitro

Figure 1

Effects of ginsenoside Rg1 on pulmonary histopathology in COPD rats. H&E staining of lung tissues. Scale bar = 100 μm. All fields shown are representative of at least six fields observed in four rats for each group.