In comparison, the combination of Dox (0.2 μg/ml) and CD55‐TMn (4 MOI) resulted in about 65% cell death in HCC PLC/PRF/5 cells, while Dox (1.6 μg/ml) alone only caused about 46% cytotoxicity effect (Figure 1D). Here, CD55 is linked to hepatocellular carcinoma.