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Original Article Ascochlorin Derivative, AS-6, Inhibits TNF-alpha-Induced fractalkine, MCP-1 and VCAM-1 Expression in Rat Aortic Smooth Muscle Cells.
Young Yun Jang, Sang Yoon Kim, Nam Keong Kim, Mi Kyung Kim, Hee Kyoung Kim, Hye Soon Kim, Chang Wook Nam, Seong Yeol Ryu, Sung Il Nam, Keun Gyu Park
Diabetes & Metabolism Journal 2005;29(5):401-408
DOI: https://doi.org/
Published online: September 1, 2005
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1Department of Internal Medicine, Keimyung University School of Medicine, Daegu, Korea.
2Department of Otolaryngology, Keimyung University School of Medicine, Daegu, Korea.

BACKGOUND: Inflammation is one of the key mechanisms in the development and progression of atherosclerosis. Accumulating evidence suggests that peroxisome proliferators- activated receptorgamma(PPARgamma) plays an important role in the prevention of arterial inflammation and the formation of atherogenesis. This study was designed to evaluate whether the new synthetic PPARgamma, ascochlorin-6(AS-6) has anti-inflammatory and anti-atherogenic effects in primary cultured rat vascular smooth muscle cells(VSMCs). METHODS: Rat VSMCs were isolated and cultured. Northern and Western blot analyses were performed to evaluate the effects of AS-6 on the expressions of tumor necrosis factor (TNF)-alpha-stimulated fractalkine, monocyte chemoattractant protein(MCP)-1 and vascular cell adhesion molecule (VCAM)-1 in VSMCs. A gel shift assay was performed to examine the mechanism by which AS-6 inhibits the expressions of fractalkine, MCP-1 and VCAM-1. RESULTS: TNF-alpha markedly induced the expressions of fractalkine, MCP-1 and VCAM-1 in primary cultured VSMCs. AS-6 inhibited the expressions of TNF-alpha-stimulated fractalkine, MCP-1 and VCAM-1 in primary cultured VSMCs. The result of the gel shift assay suggested the inhibitory effects of AS-6 on the expressions of TNF-alpha-stimulated fractalkine, MCP-1 and VCAM-1 were mediated through a nuclear factor kappaB associated pathway. CONCLUSION: The present study shows that AS-6 has anti-inflammatory effects on VSMCs, suggesting the possibility for the use of AS-6 for prevention of the development and progression of atherosclerosis.

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    Ascochlorin Derivative, AS-6, Inhibits TNF-alpha-Induced fractalkine, MCP-1 and VCAM-1 Expression in Rat Aortic Smooth Muscle Cells.
    Korean Diabetes J. 2005;29(5):401-408.   Published online September 1, 2005
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