GAS5 and hepatocellular carcinoma: In contrast to above findings, Tao et al. demonstrated that the allele deletion in rs145204276, which is 5-bp indel polymorphism shown as -/AGGCA as well as -/- and is situated at the promoter area, is correlated with methylation, and then exhibited higher GAS5 expression in hepatocellular carcinoma (HCC) 32.