Schisandra Inhibit Bleomycin-Induced Idiopathic Pulmonary Fibrosis in Rats via Suppressing M2 Macrophage Polarization
The protein levels of Smad3, Smad4, and Smad7 were determined using RT-PCR after cells were cultured with Ephedra and Schisandra for 48 h. (a) Smad3. (b) Smad4. (c) Smad7. Data were represented as , per group. # and ## compared with the blank group.