SERPINB5 and hepatocellular carcinoma: To investigate whether Maspin, RhoGDIα and CAPZB exert the similar function in HBxΔ31-mediated HCC metastasis, we over-expressed HBxΔ31 with or without Maspin, RhoGDIα or CAPZB in HepG2 cells, and examined their metastasis both in vitro and in vivo.