SOX2 promotes resistance of melanoma with PD-L1 high expression to T-cell-mediated cytotoxicity that can be reversed by SAHA ============================================================================================================================ * Ruiyan Wu * Caiqin Wang * Zhiming Li * Jian Xiao * Chunyan Li * Xuemin Wang * Pengfei Kong * Jianghua Cao * Fuxue Huang * Zhiling Li * Yun Huang * Yuhong Chen * Xuan Li * Dong Yang * Hailiang Zhang * Jia Mai * Gongkan Feng * Rong Deng * Xiaofeng Zhu