 Progranulin, PGRN, has been shown to be effective in treating acute respiratory distress syndrome, ARDS. In this study, it was found that PGRN can reduce inflammation and improve lung function in mice with ARDS caused by lipopolysaccharide, LPS. This suggests that PGRN may be a promising therapeutic option for ARDS. This article was authored by Zhengliangua, Qin Chuan Li, Yang Han, and others.