Meanwhile, it has been reported that there exist eight ferroptosis-related genes signatures (including NRAS, EMP1, SLC40A1, MYC, ANGPTL4, PRKCA, MUC1, and GABARAPL1) in the bronchoalveolar lavage fluid of patients with idiopathic pulmonary fibrosis (IPF) that are associated the diagnosis and prognosis of IPF [17]. Here, EMP1 is linked to idiopathic pulmonary fibrosis.