General Physiology and Biophysics Vol.35, No.4, p.511

General Physiology and Biophysics Vol.35, No.4, p.511–514, 2016

Founded: 1982
ISSN 1338-4325 (online)
ISSN 0231-5882 (print)
Published in English,
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General Physiology and Biophysics Vol.35, No.4, p.511–514, 2016
Title: Inhibition of VEGF mediated post receptor signalling pathways by recently developed tyrosine kinase inhibitor in comparison with sunitinib
Author: Roman Moravčík, Katarína Stebelová, Andrej Boháč, Michal Zeman

Abstract: Inhibition of angiogenesis involves blocking of tyrosine kinases (TK) implicated in signalling of vascular endothelial growth factor receptors (VEFGR). The inhibition of TK results in a disruption of Ras/Raf/MEK/ERK1/2 and PI3K/Akt signalling pathways. We evaluated recently developed TK inhibitor 22SYM and compared its anti-angiogenic effects with an approved multitargeted TK inhibitor sunitinib L-malate (sunitinib). Both compounds significantly inhibited migration and proliferation of human umbilical vein endothelial cells and ERK1/2 and Akt phosphorylation induced by VEGF. The lower inhibitory activity of 22SYM probably reflects its lower bioavailability and higher specific binding to VEGFR2 TK, which may decrease its potential side effects and toxicity in comparison with sunitinib.

Keywords: Tumour angiogenesis — ERK1/2 — Akt — Sunitinib — HUVEC
	Published online: 06-Oct-2016
Year: 2016, Volume: 35, Issue: 4	Page From: 511, Page To: 514
doi:10.4149/gpb_2015055
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