Protocatechualdehyde induced tumor suppressive autophagy through AMPK/ULK1 signaling pathway in gastric cancer - Ren, Mingming; Ma, Fangqi; Qin, Mengmeng; Sun, Xiaoyu; Wang, Yi; Zhu, Xiaohong; Xu, Yan; Cao, Nida; Zhao, Ruohan; Zhang, Yunchao; Zhu, Jiangchuan; Pan, Yongfu; et al. (Frontiers in Oncology, 2025)