Nanointervention targeting Ca2+ homeostasis and the PI3K/AKT–autophagy–immune axis drives bone regeneration and immune tolerance in rheumatoid arthritis - Xiunan Wu; Dongdong Wang; Chengbai Dai; Zhichang Zhang; Zongye Zhang; Hongkun Zhu; Zhi Sha; Zhenxing Hou; Jinpeng Gao; Zhiyuan Gao; Fenglei Gao; Zhendong Liu; et al. (Chemical Engineering Journal, 2026)