However, further research reveals that in hepatic cancer cells, upregulated H19 functions as a ceRNA by sponging miR-520a-3p, thereby relieving its suppressive effect on LIM domain kinase 1 (LIMK1), an enzyme that promotes HCC cell proliferation, metastasis, and inhibits apoptosis [55]. Here, LIMK1 is linked to hepatocellular carcinoma.