3D-cultured hUC-MSC-derived exosomes as macrophage mediators to suppress cholestatic fibrosis in mice via miR-1291–mediated multi-targeted pathways - Yu Liu; Senyi Gong; Xingyu Luo; Yuwen Hu; Qinbiao Yan; Zhe Yang; Ali Mohsin; Shusen Zheng; Meijin Guo (Chemical Engineering Journal, 2026)