Protein O-fucosyltransferase 1 promotes PD-L1 stability to drive immune evasion and directs liver cancer to immunotherapy ========================================================================================================================= * Qianyu Li * Wenyun Guo * Yifei Qian * Songling Li * Linfeng Li * Zijun Zhu * Fan Wang * Yu Tong * Qiang Xia * Yanfeng Liu