Proinflammatory activation of macrophages by bisphenol A-glycidyl-methacrylate involved NFκB activation via PI3K/Akt pathway

被引:63
作者
Kuan, Yu-Hsiang [2 ]
Huang, Fu-Mei [3 ]
Li, Yi-Ching [2 ]
Chang, Yu-Chao [1 ,3 ]
机构
[1] Chung Shan Med Univ, Sch Dent, Taichung, Taiwan
[2] Chung Shan Med Univ, Dept Pharmacol, Taichung, Taiwan
[3] Chung Shan Med Univ Hosp, Dept Dent, Taichung, Taiwan
关键词
BisGMA; Macrophage; NO and ROS; Cytokines; NF kappa B; PI3K/Akt; INFLAMMATORY RESPONSE; NITRIC-OXIDE; DNA-DAMAGE; EXPRESSION; BISGMA; CYTOTOXICITY; INHIBITION; COMPOSITES; MECHANISMS; APOPTOSIS;
D O I
10.1016/j.fct.2012.08.019
中图分类号
TS2 [食品工业];
学科分类号
0832 ;
摘要
Aim: Bisphenol A-glycidyl-methacrylate (BisGMA), a dental composite resin and dentin bonding agent, might prompt inflammatory effects to adjacent tissues. Macrophages are a major cellular component of the inflammatory sites. Little is known about the mechanisms of BisGMA on macrophages activation. The aim of this study was to evaluate BisGMA on proinflammatory mediators generation of murine macrophage RAW264.7 cells. Methods: IL-1 beta and IL-6 were analyzed by enzyme-linked immunosorbent assay. Nitric oxide, extracellular superoxide anion, and intracellular reaction oxygen species were measured by Griess assay, ferricytochrome c, and 2',7'-dichlorofluorescein assay, respectively. Expression of iNOS, p-p65. I kappa B, and p-Akt was analyzed by Western blotting. Results: BisGMA augmented the generation of IL-1 beta, IL-6, nitric oxide and the expression of iNOS in a time- and dose-dependent manner (p < 0.05). BisGMA enhanced the generation of intracellular and extracellular ROS in a dose-dependent manner (p < 0.05). The levels of p65 phosphorylation, I kappa B degradation, and Akt phosphorylation were found to be increased in a time- and dose-dependent manner (p < 0.05). Conclusions: These results indicate that BisGMA could induce nitric oxide, ROS, and inflammatory cytokines in macrophages. In addition, BisGMA may active macrophage via NF-kappa B activation, I kappa B degradation, and p-Akt activation. Crown Copyright (C) 2012 Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码:4003 / 4009
页数:7
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