CircRNAs in colorectal cancer: potential roles, clinical applications, and natural product-based regulation - Yang, Jingjing; Fan, Qiqi; Wang, Yiyun; Liu, Yuanyue; Xu, Xiaoning; Liang, Yeqi; Xie, Jiakang; Li, Jiajie; Ai, Fengting; Cao, Yong; Yu, Shangzhen; Liu, Jinman (Frontiers in Oncology, 2025)