Mechanical force induces macrophage-derived exosomal UCHL3 promoting bone marrow mesenchymal stem cell osteogenesis by targeting SMAD1. - Pu, Panjun; Wu, Shengnan; Zhang, Kejia; Xu, Hao; Guan, Jiani; Jin, Zhichun; Sun, Wen; Zhang, Hanwen; Yan, Bin (Journal of Nanobiotechnology, 2023)