And miR-29b was reported to associate with the BLM-induced pulmonary fibrosis (Montgomery et al., 2014) and associated with the occurrence of pulmonary fibrosis by adjusting the expression of collagen, matrix metallopeptidase, inflammatory cytokines and participating in TGF-β1 pathway (Cushing et al., 2015). This evidence concerns the gene TGFB1 and pulmonary fibrosis.