期刊
JOURNAL OF NATURAL PRODUCTS
卷 74, 期 3, 页码 352-356出版社
AMER CHEMICAL SOC
DOI: 10.1021/np100724f
关键词
-
资金
- European Union [LSHB-CT-2004-503467]
Hyperproliferation of vascular smooth muscle cells (VSMCs) is critically involved in the onset of atherosderosis and restenosis. Although caffeic acid phenethyl ester (CAPE, 1), one of the main constituents of honeybee propolis, has been shown to exert a beneficial effect in models of vascular injury in vivo, detailed mechanistic investigations in vascular cells are scarce. This study has examined the antiproliferative activity of 1 in platelet-derived growth factor (PDGF)-stimulated primary rat aortic VSMCs and aimed to shed light on underlying molecular mechanisms. Compound 1 inhibited the proliferation of VSMCs upon exposure to PDGF in a dose-dependent manner by interfering with cell cycle progression from the G0/1- to the S-phase. Enhanced phosphorylation of, p38 mitogen-activated protein kinase (MAPK) as well as stabilization of hypoxia-inducible factor (HIF)-1 alpha and subsequent induction of heme oxygenase-1 (HO-1) could be identified as molecular events contributing to, the observed growth arrest in PDGF-activated VSMCs upon exposure to 1.
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