GATA5 and hepatocellular carcinoma: We showed by RT-qPCR that GATA1 mRNA was expressed at relatively low level in majorities of hepatic and HCC cell lines analyzed (2−△Ct, mean 1.1E-05, range 6.6E-07∼6.9E-05, approximately 1000 times less than other GATAs’ expression, Fig. 1A).