“We explored the role of interleukin 1 (IL-1) in two models of pulmonary fibrosis (PF), elicited in mice by the intra-tracheal instillation of bleomycin or silica
This study indicates that IL-1ra might be useful for the treatment of incipient or established pulmonary fibrosis.”
https://www.ncbi.nlm.nih.gov/pubmed/7683505
http://www.sciencedirect.com/science/article/pii/104346669390024Y?via%3Dihub