We firstly detected WNK1 expression patterns in HCC cell lines, which showed that WNK1 expression was prominently increased in HCC cells including Huh7, HepG2, Hep3B, and BEL-7402 cells compared with the normal cell L-02 (Figures 1(a) and 1(b)). Here, WNK1 is linked to hepatocellular carcinoma.