Fig. 7From: The deubiquitinase USP22 regulates PD-L1 degradation in human cancer cellsUSP22 collaborates with CSN5 to regulate PD-L1 (a, b) USP22, CSN5, PD-L1 plasmids were transfected as indicated. c H1792 cells were transfected with USP22 or/and CSN5 siRNA. USP22, CSN5, PD-L1 protein level were assessed by western blotBack to article page