RT Journal Article SR Electronic T1 Heterogeneous Sensitivity of Hepatocellular Carcinoma to Sorafenib Revealed by the Short-term Culture of Tumor Fragments JF Anticancer Research JO Anticancer Res FD International Institute of Anticancer Research SP 1415 OP 1420 VO 33 IS 4 A1 GODIN, CORINNE A1 DUPONT, SEBASTIEN A1 EZZOUKHRY, ZAKARIA A1 LOUANDRE, CHRISTOPHE A1 CHATELAIN, DENIS A1 HENAUT, LUCIE A1 SABBAGH, CHARLES A1 REGIMBEAU, JEAN-MARC A1 MAZIERE, JEAN-CLAUDE A1 BARBARE, JEAN-CLAUDE A1 CHAUFFERT, BRUNO A1 GALMICHE, ANTOINE YR 2013 UL http://ar.iiarjournals.org/content/33/4/1415.abstract AB Background/Aim: Sorafenib is currently the only medical treatment with proven efficacy against hepatocellular carcinoma (HCC). HCC cell lines display heterogeneous sensitivity to sorafenib, but little is known about the sensitivity of clinical tumors. We aimed to examine this aspect. Materials and Methods: Using experimental tumors generated in nude mice, we set up a technique for short-term culture of HCC fragments. We applied this technique to six human HCC samples obtained from surgical resection. Results: HCC fragments in culture retain their morphology and viability for at least 48 h, permitting an in vitro analysis of the effect of sorafenib on the Extracellular signal-regulated kinase (ERK) cascade. HCC exhibit heterogeneous individual responses, ranging from potent inhibition to paradoxical activation of this oncogenic cascade. Conclusion: Our observations highlight the heterogeneous sensitivity of HCC to sorafenib, and point to the potential interest of short-term culture of tumor fragments for personalizing the medical treatment of HCC.