Chinese Clinical Oncology

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Expressions of VEGFR-2,PDGFR-β and c-MET in hepatocellular carcinoma and their relationship with prognosis

CHU Jie-sheng,XU Jian-ming,ZHANG Bo,GE Fei-jiao,LIU Lie-jun,ZHAO Chuan-hua,WANG Yan,LIN Li,FU Ya-li,WANG Jun   

  1. Department of Digestive Oncology,307 Hospital of PLA,Anhui Medical University,Beijing 100071,China
  • Received:2012-03-07 Revised:2012-04-21 Online:2012-07-31 Published:2012-07-31

Abstract: Objective To explore the clinical significance and prognostic values of VEGFR-2,PDGFR-β and c-MET in patients with hepatocellular carcinoma(HCC). Methods The expression of VEGFR-2,PDGFR-β and c-MET in 93 HCC patients was examined by immunohistochemistry(IHC), and the correlation between clinical characteristics and progrosis was analyzed. Results The over-expression rates of VEGFR-2,PDGFR-β and c-MET in HCC were 86.0%,19.4% and 80.6%,respectively. The expression of VEGFR-2 was related with sex,hepatitis B surface antigen(HBsAg) status,differentiation and hepatic cirrhosis(P<0.05). The expression of PDGFR-β was related with α-fetoprotein(AFP),number of tumor and hepatic cirrhosis(P<0.05). There was no significant relationship between the expression of c-MET and clinicopathological factors. Cox regression analysis showed that in 65 patients taking sorafenib,the progress free survival(PFS) was related to age(P=0.047),and the overall survival (OS) was related to HBsAg(P=0.037),AFP(P=0.015) and tumor size(P=0.003). The expression of PDGFR-β was related with OS(P=0.046). The expression of c-MET was related to PFS(P=0.01). ConclusionThe expression level of VEGFR-2 is higher in HCC patients with hepatic cirrhosis. PDGFR-β is a biomarker for the poor prognosis in HCC patients. c-MET may be a prognostic factor to predict the therapeutic effect of HCC patients who have taken sorafenib.

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