TGFB1 and pulmonary fibrosis: Interestingly, in the study by Sibinska et al. [55], only the lower dose of 17-DMAG (i.e., 10 mg/kg vs. 25 mg/kg) significantly decreased both the bronchoalveolar lavage fluid and serum levels of TGF-β in the bleomycin-induced pulmonary fibrosis.