Human spindle-shaped urine-derived stem cell exosomes alleviate severe fatty liver ischemia–reperfusion injury by inhibiting ferroptosis via GPX4. - Shi, Shangheng; Zhu, Cunle; Shi, Shangxuan; Li, Xinqiang; Muhammad, Imran; Xu, Qingguo; Li, Xinwei; Zhao, Ziyin; Liu, Huan; Fu, Guangming; Song, Meiying; Huang, Xijian; et al. (Stem Cell Research & Therapy, 2025)