TNFSF10 and colorectal carcinoma: Moreover, pretreatment with Ze-IR700-mediated PDT increased the cytotoxicity of TRAIL in COLO 320 DR, COLO 320 HSR, HCT-8, LOVO, RKO, LS180, T84, and HCT116 cells (Figure S7C), indicating that tumor cell-targeted PDT extensively sensitized CRC cells to TRAIL.