TLR4 and hepatocellular carcinoma: Moreover, the mRNA expression of TLR4 in both MHCC‐97L and PLC/PRF/5 cells, with or without geniposide treatment (200 μg·ml−1) was measured by RT‐PCR (Figure 5b), indicating that no significant changes of the mRNA for TLR4 were observed in HCC cells.