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SKLB-287, a novel oral multikinase inhibitor of EGFR and VEGFR2, exhibits potent antitumor activity in LoVo colorectal tumor model

X. CHEN, Y. LIU, H.-W. YANG, S. ZHOU, C. CHENG, M.-W. ZHENG, L. ZHONG, X.-Y. FU, Y.-L. PAN, S. MA, Y. TANG, Y.-Z. CHEN, L.-L. LI, S.-Y. YANG

Abstract:

Colorectal cancer (CRC) is the third common cancer and most of the chemotherapies of CRC currently used often suffer limited efficacy and large side effects. Targeted small-molecule by anti-tumor drugs are thought a promising strategy for improving the efficacy and reducing the side effects. In this investigation, we report a novel multikinase inhibitor, termed SKLB-287, which was discovered by us recently. SKLB-287 could efficiently inhibit the activation of endothelial growth factor receptor (EGFR) and vascular endothelial growth factor receptor 2 (VEGFR2). It displayed very good anti-proliferative activity against LoVo CRC cells and considerable antiangiogenic potency in transgenic zebrafish embryos. Oral administration of SKLB-287 resulted in dose-dependent suppression of tumor growth in LoVo xenograft mouse model. Immunohistochemistry was adopted to examine the in vivo anti-tumor mechanism of action of SKLB-287.

Issue: 5/2014

Volume: 2014

Pages: 514 — 522

DOI: 10.4149/neo_2014_063

Pubmed

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