STAT3 and hepatocellular carcinoma: As the alteration of TLR4/MyD88 expression is commonly linked to the downstream regulation of STAT3 and Sp1 (J. X. Chen et al., 2017; Xiao et al., 2017), we examined if reactivation of TLR4 by its agonist LPS could reverse geniposide‐induced inhibition of STAT3 and Sp1 in HCC cells.