Bone morphogenetic protein 4 inhibits pulmonary fibrosis by modulating cellular senescence and mitophagy in lung fibroblasts.

"Conflict of interest: The authors have nothing to disclose."

"Support statement: This work was supported by grants from the Local Innovative and Research Teams Project of Guangdong Pearl River Talents Program (2017BT01S155), National Natural Science Foundation of China (81770043, 81520108001, 81800072 and 81703792), the National Key R&D Program of China (2016YFC0903700), Natural Science Foundation of Guangdong Province (2018A030310291 and 2016A030311020), Guangzhou Municipal Science and Technology grants (201804010052 and 201607020030), China Postdoctoral Science Foundation (2017M612637 and 2018T110860), Changjiang Scholars and Innovative Research Team in University (grant IRT0961) and the Research Projects of SKLRD (QN-201706, OP-201808, OP-201919). Funding information for this article has been deposited with the Crossref Funder Registry."