PROM1 and hepatocellular carcinoma: Furthermore, contrary to our expectations of an association between EMT plasticity and stemness [36], the mixed epithelial‐mesenchymal phenotype of Huh7‐TR cells did not correlate with changes in the expression or localization of key HCC stemness markers, such as EpCAM, CD44, CD90, CD133, and CK19 (Fig. S7A,B).