E2F7 and hepatocellular carcinoma: Subsequently, an analysis of the OS of HCC patients and the association between the differentially expressed genes in the ceRNA network revealed that 19 of the 35 DEmRNAs and 14 of the 74 DElncRNAs, including E2F7 and MYLK-AS1, were significantly associated with OS (Fig. 1j, k, and data not shown).