In another study, it was documented that a combination of photosensitizer pheophorbide A (PheoA), ROS-responsive paclitaxel dimer prodrug (PXTK), and anti-PD-L1 peptide dPPA exhibited significant antitumor and antimetastasis effect, emphasizing the value of the combination of chemotherapy, PDT, and immunotherapy in cancer management [289]. Here, CD274 is linked to cancer.