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KMID : 1134820120410020283
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Journal of the Korean Society of Food Science and Nutrition
2012 Volume.41 No. 2 p.283 ~ p.288
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Effect of Triacsin C on LPS-induced Inflammation in 3T3-L1 Adipocytes
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Park Eun-Ju
Spurlock Michael
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Abstract
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Triacsin C, an inhibitor of acyl-CoA synthetase, is known to have antiatherosclerotic and vasodilatory activities. The aims of this study were to evaluate the effects of triacsin C on endotoxin-induced (lipopolysaccharide, LPS) inflammation in 3T3-L1 adipocytes and also to evaluate its synergistic effect with triacsin C and resveratrol, a potent antiinflammatory agent. Exposure to LPS for 18 hr increased secretion of IL-6 into the culture medium and mRNA expression of IL-6, MCP-1, TLR2, and iNOS. Pretreatment of triacsin C for 2 hr suppressed IL-6 accumulation in the medium and the induction of IL-6 expression by LPS, which was more effective than resveratrol treatment. The synergistic effect of triacsin C and resveratrol was found to reduce the expression of iNOS by LPS. However, neither triacsin C nor resveratrol affected the LPS-induced expression of MCP-1, TLR2, or iNOS. These findings indicate that triacsin C may be a local regulator of inflammation in the adipocyte, although detailed mechanisms are needed to elucidate this through further research.
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KEYWORD
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triacsin C, resveratrol, 3T3-L1 adipocytes, pro-inflammatory cytokines
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