Yangyin Yiqi Mixture Ameliorates Bleomycin-Induced Pulmonary Fibrosis in Rats through Inhibiting TGF-1/Smad Pathway and Epithelial to Mesenchymal Transition

Figure 7

The mRNA expression of TGF-β1, TβRI, TβRII, Smad3, and Smad7 in each group of rats on days 14 and 28.

(a) TGF-β 1

(b) Tβ RI

(c) Tβ RII

(d) Smad3

(e) Smad7