Anti-inflammatory effect of resveratrol on TNF-α-induced MCP-1 expression in adipocytes

被引：125

作者：

Zhu, Jian ^{[1
,2
]}

Yong, Wei ^{[1
]}

Wu, Xiaohong ^{[2
]}

Yu, Ying ^{[1
]}

lv, Jinghuan ^{[1
]}

Liu, Cuiping ^{[2
]}

Mao, Xiaodong ^{[2
]}

Zhu, Yunxia ^{[1
]}

Xu, Kuanfeng ^{[2
]}

Han, Xiao ^{[1
]}

Liu, Chao ^{[2
]}

机构：

[1] Nanjing Med Univ, Jiangsu Province Diabet Ctr, Sch Basic Med Sci, Key Lab Human Funct Genom Jiangsu Province, Nanjing 210029, Peoples R China

[2] Nanjing Med Univ, Dept Endocrinol, Affiliated Hosp 1, Nanjing 210029, Peoples R China

来源：

BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS | 2008年 / 369卷 / 02期

关键词：

resveratrol; NF-kappa B; MCP-1; Sirt1; 3T3-L1; adipoctye; inflammation;

D O I：

10.1016/j.bbrc.2008.02.034

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Chronic low-grade inflammation characterized by adipose tissue macrophage accumulation and abnormal cytokine production is a key feature of obesity and type 2 diabetes. Adipose-tissue-derived monocyte chemoattractant protein (MCP)-1, induced by cytokines, has been shown to play an essential role in the early events during macrophage infiltration into adipose tissue. In this study we investigated the effects of resveratrol upon both tumor necrosis factor (TNF)-alpha-induced MCP-1 gene expression and its underlying signaling pathways in 3T3-L1 adipoctyes. Resveratrol was found to inhibit TNF-alpha-induced MCP-1 secretion and gene transcription as well as promoter activity, which based on down-regulation of TNF-alpha-induced MCP-1 transcription. Nuclear factor (NF)-kappa B was determined to play a major role in the TNF-alpha-induced MCP-1 expression. Further analysis showed that resveratrol inhibited DNA binding activity of the NF-kappa B complex and subsequently suppressed NF-kappa B transcriptional activity in TNF-alpha-stimulated cells. Finally, the inhibition of MCP-1 may represent a novel mechanism of resveratrol in preventing obesity-related pathologies. (C) 2008 Elsevier Inc. All rights reserved.

引用

页码：471 / 477

页数：7

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