CircRNA PIP5K1A promotes the progression of glioma through upregulation of the TCF12/PI3K/AKT pathway by sponging miR-515-5p. - Zheng, Kebin; Xie, Haipeng; Wu, Wensong; Wen, Xichao; Zeng, Zhaomu; Shi, Yanfang (Cancer Cell International, 2021)