circPTN acted as a sponge through interacting with miR-326. Overexpression of miR-326 could rescue the cell proliferation inhibition and ErbB/PI3K downregulation in HCC cells by circPTN. Besides, the effects of miR-326 on HCC were missing when circPTN binding sites were mutated.
CircRNA-PTN Sponges miR-326 to Promote Proliferation in Hepatocellular Carcinoma.