10 Wang Wang T T Huang Huang B B Guo Guo R R Ma Ma J J Peng Peng C C Zu Zu X X Tang Tang H H Lei Lei X X A let-7b binding site SNP in the 3’-UTR of the Bcl-xL gene enhances resistance to 5-fluorouracil and doxorubicin in breast cancer cells A let-7b binding site SNP in the 3’-UTR of the Bcl-xL gene enhances resistance to 5-fluorouracil and doxorubicin in breast cancer cells Oncol Lett Oncol Lett 2015 2015 9 9 1907 1907 1911 1911 25789066 25789066. This evidence concerns the gene BCL2L1 and breast cancer.