IGF2BP3 and hepatocellular carcinoma: Conversely, in cells with IGF2BP3 overexpression or knockdown (Fig. S7H-I), overexpressing IGF2BP3 increased MALAT1 levels, whereas knocking down IGF2BP3 decreased MALAT1 expression in HBV/HBx-expressing HCC cells (Fig. S7J-K).