Additional file 5: of CircSLC3A2 functions as an oncogenic factor in hepatocellular carcinoma by sponging miR-490-3p and regulating PPM1F expression WangHongjian ChenWei JinMing HouLidan ChenXiaoyu ZhangRui ZhangJing ZhuJinshui 2018 Figure S4. qRT-PCR analysis of the transfection efficiency of circSLC3A2 in HepG2 cells or sh-circSLC3A2 in LO2 cells. Data are the means ± SEM of three experiments. ** P < 0.01. (PDF 62 kb)