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(A) Western blot of PD-L1 expression in Hep-2 cells in different treatment groups. (B) Analysis of Western blot of PD-L1 expression in Hep-2 cells in different treatment groups. Data represent the mean relative value ± SD, and the experiment was repeated in triplicate (*p<0.05).
Abbreviations: PDT, photodynamic therapy; CDDP, cisplatin; PD-1, programmed death receptor-ligand 1.
