To further explore the effects of HMMR expression on the malignant phenotype of HCC cells, the HMMR expression was examined in cell lines SNU-449, SMMC7721, HepG2, Huh7, LM3, H22, and Hepa 1-6 (Supplementary Figure 3). The gene discussed is HMMR; the disease is hepatocellular carcinoma.