PM2.5 exposure impairs mitochondrial function and myocardial contractility in cardiac organoids via the Sirt3/Mdh2 pathway - Li Tian; Jiahui Li; Jianong Lv; Zhiru Liu; Chen Liang; Shengbo Yang; Zhiwei Sun; Junchao Duan (Toxicology in Vitro, 2026)