Selenium Inhibits LPS-Induced Pro-inflammatory Gene Expression by Modulating MAPK and NF-kappa B Signaling Pathways in Mouse Mammary Epithelial Cells in Primary Culture
文献类型: 外文期刊
第一作者: Zhang, Wen
作者: Zhang, Wen;Wang, Tiancheng;Jiang, Haichao;Guo, Mengyao;Zhou, Ershun;Sun, Yong;Yang, Zhengtao;Cao, Yongguo;Zhang, Naisheng;Zhang, Runxiang;Xu, Shiwen
作者机构:
关键词: selenium;mouse mammary epithelial cell;anti-inflammation;nuclear factor-kappa B;mitogen-activated protein kinase
期刊名称:INFLAMMATION ( 影响因子:4.092; 五年影响因子:3.923 )
ISSN: 0360-3997
年卷期: 2014 年 37 卷 2 期
页码:
收录情况: SCI
摘要: Mastitis is characterized by an inflammation of the mammary gland of dairy animals and humans; this condition is one of the major causes of economic losses in dairy industries. Selenium (Se), a biological trace element, modulates the functions of many regulatory proteins in signal transduction and provides advantages for animals with inflammatory diseases, including mastitis. The current study aimed to assess the protective effects and the active mechanism of Na2SeO3 against lipopolysaccharide (LPS)-induced inflammation in mouse mammary epithelial cells (MMECs). Our results showed that LPS-induced expressions of cyclooxygenase-2 and tumor necrosis factor-alpha significantly decreased after Se was supplemented to Se-deficient MMECs. Na2SeO3 also suppressed LPS-induced nuclear factor-kappa B activation, inhibitory kappa B degradation, and ERK, JNK, and P38 phosphorylation in a dose-dependent manner. These results suggested that Se functions as an anti-inflammatory agent in mastitis.
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