UCK2 and hepatocellular carcinoma: UCK2 expression was first examined in 13 cell lines including one normal hepatocyte cell lines (LO2), five commercial available HCC cell lines (Huh-7, HepG2, HCC-LM3, SMMC-7721, and MHCC-97L) and seven home-made primary HCC cell lines (PDC-26#, PDC-14#, PDC-12#, PDC-9#, PDC-23#, PDC-10#, and PDC-11#).