These include evaluation of the CXCL12/CXCR4 axis in angiogenesis [15], the CCL20/CCR6 axis in the growth of the hepatoma cell line Huh7 [16]; and the CCL5/CCR1 axis in promoting the metastasis and invasion of HCC cells [17]. This evidence concerns the gene CCR6 and hepatocellular carcinoma.