MiRNA-223-5p inhibits hypoxia-induced apoptosis of BMSCs and promotes repair in Legg-Calvé-Perthes disease by targeting CHAC2 and activating the Wnt/β-catenin signaling pathway - Jiafei Yang; Tianjiu Zhang; Xingtao Zhu; Zhexi He; Xu Jiang; Song Yu; Huajian Gu (PLoS ONE, 2025)