Fig. 1a

Expression of PD-L1 and PD-1 in mouse tumor cells and human tissues. (a) PD-L1 expression on the surface of CT26 and B16-F10 tumor cells was detected by FACS. The black and red line represents isotype and PD-L1, respectively

Expression of PD-L1 and PD-1 in mouse tumor cells and human tissues. (a) PD-L1 expression on the surface of CT26 and B16-F10 tumor cells was detected by FACS. The black and red line represents isotype and PD-L1, respectively