Silibinin induces apoptosis through inhibition of the mTOR-GLI1-BCL2 pathway in renal cell carcinoma - Ma, Z; Liu, W; Zeng, J; Zhou, J; Guo, P; Xie, H; Yang, Z; Zheng, L; Xu, S; Wang, X; Chang, L S; He, D; Li, L (Oncol Rep, 2015)