Inhibition of the vascular-endothelial growth factor-induced intracellular signaling and mitogenesis of human endothelial cells by epigallocatechin-3 gallate.

Abstract:

:Galloyl group-containing catechins, such as epigallocatechin-3 gallate, inhibit receptor tyrosine kinase activity of several growth factor receptors. This study investigated the effects of epigallocatechin-3 gallate, as compared to epicatechin, on vascular endothelial growth factor-induced intracellular signaling and mitogenesis of human umbilical endothelial cells. Epigallocatechin-3 gallate concentration-dependently inhibited vascular endothelial growth factor-induced DNA synthesis, cell proliferation, autophosphorylation of vascular endothelial growth factor receptors-1 and -2, phosphorylation of extracellular signal-regulated kinases-1 and -2, and mRNA expression of the early growth response factor-1. In contrast, epicatechin was not effective. Thus, epigallocatechin-3 gallate may be an attractive candidate drug to inhibit tumour angiogenesis.

journal_name

Eur J Pharmacol

authors

Neuhaus T,Pabst S,Stier S,Weber AA,Schrör K,Sachinidis A,Vetter H,Ko YD

doi

10.1016/j.ejphar.2003.10.029

keywords:

subject

Has Abstract

pub_date

2004-01-12 00:00:00

pages

223-7

issue

2-3

eissn

0014-2999

issn

1879-0712

pii

S0014299903025810

journal_volume

483

pub_type

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