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eCAM Advance Access published online on September 7, 2009
eCAM, doi:10.1093/ecam/nep126
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© The Author(s) 2009. Published by Oxford University Press.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/2.5/uk/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

HMC05, Herbal Formula, Inhibits TNF-{alpha}-induced Inflammatory Response in Human Umbilical Vein Endothelial Cells

Jong Suk Lee1, Su-Young Park1, Dinesh Thapa1, Ah Ra Kim1, Heung-Mook Shin2 and Jung-Ae Kim1

1College of Pharmacy, Yeungnam University, Gyeongsan 712-749 and 2Department of Physiology, College of Oriental Medicine, Dongguk University, Gyoungju 780-714, South Korea

Vascular inflammation has been implicated in the progression of cardiovascular diseases such as atherosclerosis. In the present study, we found that HMC05, an extract from eight different herbal mixtures, dose-dependently inhibited tumor necrosis factor-{alpha} (TNF-{alpha})-induced adhesion of monocytes to endothelial cells. Such inhibitory effect of HMC05 correlated with suppressed expression of monocyte chemoattractant protein-1, CC chemokine receptor 2, vascular cell adhesion molecule-1 and intercellular cell adhesion molecule-1. In addition, HMC05 significantly inhibited production of reactive oxygen species (ROS) and nuclear factor (NF)-{kappa}B activation by TNF-{alpha}. Those inhibitory effects of HMC05 (1–10 µg ml–1) on the TNF-{alpha}-induced inflammatory event was similar to those of berberine (1–10 µM), which is a major component of HMC05 and one of herbal compounds known to have vasorelaxing and lipid-lowering activities. However, berberine significantly reduced the viability of HUVECs in a time- and concentration-dependent manner. In contrast, HMC05 (1–10 µg ml–1) did not affect the cell viability for up to 48 h treatment. In conclusion, we propose that HMC05 may be a safe and potent herbal formula against vascular inflammation, and its action may be attributable to the inhibition of ROS- and NF-{kappa}B-dependent expression of adhesion molecules and chemokines.

Keywords: Adhesion molecule – berberine – CC chemokine receptor 2 – HMC05 herbal fomula – monocyte chemoattractant protein-1 – vascular inflammation

For reprints and all correspondence: Prof. Jung-Ae Kim, PhD, College of Pharmacy, Yeungnam University, Gyeongsan 712-749, South Korea. Tel: +82-53-810-2816; Fax: +82-53-810-4652; E-mail: jakim{at}yu.ac.kr

Received December 24, 2008; accepted July 17, 2009


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