ADRB2 and hepatocellular carcinoma: To evaluate the tumorigenic effects of the β2-AR-mediated phosphorylation of YB-1, the in vitro migration properties of normal hepatocytes (LO2) and HCC cell lines (LM3, SMMC-7721, HepG2, QSG-7701, PLC, SK-Hep1, and MHCC-97H) were determined.