To examine Lcn2 expression in the lungs of mice post-bleomycin (BLM)-induced pulmonary inflammation and fibrosis, a widely used animal model of pulmonary fibrosis (4, 22, 34), we mined the relative transcriptomic datasets from Fibromine (Supplementary Table S1), as in IPF patients. Here, LCN2 is linked to idiopathic pulmonary fibrosis.