The results of CCK‐8 analyses and western blotting indicated that DT‐13 suppressed the cell viability and protein expression of PCNA and Bcl‐2 in PFKL‐OE and PFKL‐EV HCC cells, but not in sh‐PFKL HCC cells (Figure 4d,e). The gene discussed is PFKL; the disease is hepatocellular carcinoma.