Human umbilical cord mesenchymal stem cell-derived exosomes prevent and alleviate experimental pulmonary fibrosis by modulating the cytoskeleton of macrophages. - Zhao, Liyuan; Tang, Yiwen; Wu, Bingbing; Gao, Yan; Shen, Xi; Liu, Zhenghao; Xiao, Shuyu; Yao, Sanqiao; Li, Jinlong; Shen, Fuhai (Stem Cell Research & Therapy, 2025)