To reveal the biological significance of ARHGAP5‐AS1 in HCC, we developed the stable ARHGAP5‐AS1‐KD HepG2 and SK‐HEP‐1 cells (shA‐AS1‐1 and shA‐AS1‐2) and the stably ARHGAP5‐AS1‐OE HCC cells (A‐AS1) (Figure S1B). This evidence concerns the gene ARHGAP5 and hepatocellular carcinoma.