Conventional markers of CCA including cytokeratin (CK)-7 and 19 as well as SRY (Sex Determining Region Y)-Box 9 (SOX9) were abundantly expressed in SB1-7 cells, but not in the HCC cell line Huh7 or mouse intestine cells (Figure 1B). The gene discussed is SRY; the disease is hepatocellular carcinoma.