SIK2 represses AKT/GSK3β/β‐catenin signaling and suppresses gastric cancer by inhibiting autophagic degradation of protein phosphatases oleh Xiao‐man Dai, Yan‐hui Zhang, Xiao‐han Lin, Xiao‐xing Huang, Yi Zhang, Chao‐rong Xue, Wan‐nan Chen, Jian‐xin Ye, Xin‐jian Lin, Xu Lin