PT - JOURNAL ARTICLE AU - SYLVIA MUCHE AU - MELISSA KIRSCHNICK AU - MICHAEL SCHWARZ AU - ALBERT BRAEUNING TI - Synergistic Effects of β-Catenin Inhibitors and Sorafenib in Hepatoma Cells DP - 2014 Sep 01 TA - Anticancer Research PG - 4677--4683 VI - 34 IP - 9 4099 - http://ar.iiarjournals.org/content/34/9/4677.short 4100 - http://ar.iiarjournals.org/content/34/9/4677.full SO - Anticancer Res2014 Sep 01; 34 AB - Background/Aim: The kinase inhibitor sorafenib is the only approved drug which is effective against late-stage hepatocellular carcinoma (HCC). However, the mean survival of patients is still less than one year, making new approaches for tumor treatment essential. Oncogenic signaling through β-catenin is frequently overactivated in HCC and therefore a potential target for a combination therapy with sorafenib. Materials and Methods: Two hepatoma cell lines were treated with non-cytotoxic concentrations of sorafenib and different β-catenin inhibitors. The tumor-relevant end-points of proliferation, apoptosis, cell migration, and colony formation were assessed in vitro along with the activity of the Wingless/Int-1(WNT)/β-catenin and mitogen-activated protein kinase pathways. Results: Combined treatment with sorafenib and β-catenin inhibitors synergized in the inhibition of cell proliferation, migration, colony formation ability, and induction of apoptosis. Conclusion: In vitro data suggest that the combination of sorafenib and β-catenin inhibition might be a promising approach for HCC treatment.