Metformin upregulates circadian gene PER2 to inhibit growth and enhance the sensitivity of glioblastoma cell lines to radiotherapy via SIRT2/G6PD pathway - Li, Hailiang; Ma, Zheng; Yang, Wanfu; Zhang, Yifan; Sun, Jinping; Jiang, Haifeng; Wang, Faxuan; Hou, Li; Xia, Hechun (Frontiers in Pharmacology, 2025)