ENPP2 and idiopathic pulmonary fibrosis: Another study conducted a comparison of five FRGs namely aconitase 1 (ACO1), N-Ras, MUC1, zinc finger protein 36 (ZFP36), and ectonucleotide pyrophosphatase/phosphodiesterase 2 (ENPP2), retrieved from the FerrDb database that have potential applications in the diagnosis, treatment, or prognosis of IPF [206].