Crocin promotes ferroptosis in gastric cancer via the Nrf2/GGTLC2 pathway - Yan, Nan; Li, Gaofu; Zhao, Linglin; Guo, Qijing; Yang, Jie; Liu, Jianhong; Zhou, Wei; Gao, Yue; Luo, Yushuang (Frontiers in Pharmacology, 2025)