Glyoxylic acid-induced calcium oxalate crystal deposition drives nephrotoxicity via SPHK1-mediated ferroptosis: Insights from untargeted lipidomics - Meng Shu; Yiying Jia; Bangyu Zou; Shuwei Zhang; Zhaoxin Ying; Xinling Xiang; Dongxiang Zhang; Ziyu Fang; Yonghan Peng; Xiaofeng Gao (Chemico-Biological Interactions, 2026)