SIX1 and hepatocellular carcinoma: In summary, the ceRNA networks involving TUG1/miR-524–5p/SIX1, NEAT1/miR-9-BGH3, CDKN2BAS/miR-153–5p/MEK-ERK1/2, RP11-386G11.10/miR-345–3p/HNRNPU, and LUCAT1/miR-495–3p/DLC1 are promising for HCC diagnosis and prognosis.