Dovitinib preferentially targets endothelial cells rather than cancer cells for the inhibition of hepatocellular carcinoma growth and metastasis.

ABSTRACT:

Background

Dovitinib is a receptor tyrosine kinase (RTK) inhibitor targeting vascular endothelial growth factor receptors, fibroblast growth factor receptors and platelet-derived growth factor receptor β. Dovitinib is currently in clinical trials for the treatment of hepatocellular carcinoma (HCC).

Method

In this study, we used five HCC cell lines and five endothelial cell lines to validate molecular and cellular targets of dovitinib.

Results

Tumor growth and pulmonary metastasis were significantly suppressed in an orthotopic HCC model. Immunoblotting revealed that among known dovitinib targets, only PDGFR-β was expressed in two HCC cell lines, while four of five endothelial lines expressed PDGFR-β, FGFR-1, and VEGFR-2. Dovitinib inhibited endothelial cell proliferati

SUBMITTER: Chen ZY 

PROVIDER: S-EPMC3552726 | biostudies-literature | 2012 Dec

REPOSITORIES: biostudies-literature