AFP and neoplasm: A positive correlation between PROM1 and EPCAM mRNAs was found in tumor and non-tumor tissues (Pearson’s correlation; p < 0.0001) (Supplementary Fig. S2B, C), whereas no correlation between miR-494 and other stem-associated genes (AFP, NESTIN, CD90, and ABCG2) was found in HCCs.