IL13 and silicosis: Interleukin-13 (IL-13) is a key mediator of tissue fibrosis caused by inflammation.Secreted by type 2 (Th2) T helper cells,7 is plays a key role in various inflammatory and pathogenicprocesses, such as granuloma formation, and has been studied for potentialassociations with several conditions, such as neoplastic diseases and non-alcoholicfatty liver disease.8 Ananti-silicosis therapeutic strategy specifically aimed at the profibrotic activityof IL-13 in the lung has been studied in mice.