Leukaemia inhibitory factor (LIF) is a p53 target but its role in cancer is unclear. Here Hu et al.show that LIF confers chemoresistance in colorectal cancer cells by Stat3-mediated upregulation of inhibitor of DNA-binding 1, leading to MDM2 E3 ubiquitin ligase upregulation and p53 degradation.
- Haiyang Yu
- Xuetian Yue
- Wenwei Hu