Mitochondria serve as a source of mineral precursors initiating early cartilage calcification in osteoarthritis - Qianqian Wan; Tao Ye; Junting Gu; Yuxuan Ma; Wen Qin; Jianfei Yan; Jin Rao; Lei Chen; Dongxiao Hao; Franklin R. Tay; Kai Jiao; Lina Niu (Science Bulletin, 2026)