Propacin, a coumarinolignoid isolated from durian, inhibits the lipopolysaccharide-induced inflammatory response in macrophages through the MAPK and NF-κB pathways

被引:31
作者
Huang, Yuying [1 ]
Wang, Yihai [1 ,2 ]
Xu, Jingwen [1 ,2 ]
Feng, Jianying [1 ]
He, Xiangjiu [1 ,2 ]
机构
[1] Guangdong Pharmaceut Univ, Sch Pharm, Guangzhou 510006, Peoples R China
[2] Guangdong Engn Res Ctr Lead Cpds & Drug Discovery, Guangzhou 510006, Peoples R China
基金
中国国家自然科学基金;
关键词
SIGNALING PATHWAY; SUPPRESSION; ACTIVATION; CELLS;
D O I
10.1039/c9fo02202c
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
Durian, known as the king of fruits, is rich in nutrients and bioactive phytochemicals. Propacin is a bioactive coumarinolignoid isolated from durian. In this study, we demonstrated its anti-inflammatory effect on lipopolysaccharide (LPS)-induced RAW264.7 cells and explored the underlying mechanism. Propacin suppressed nitric oxide (NO) and prostaglandin E2 (PGE(2)) production in LPS-stimulated macrophages significantly by downregulating the mRNA and protein expression of nitric oxide synthase (iNOS) and cyclooxygenase-2 (COX-2). Moreover, propacin decreased the overexpression of the LPS-induced reactive oxygen species (ROS) and maintained the mitochondrial integrity in active macrophages. Furthermore, propacin inhibited the translocation of the nuclear factor-kappa B (NF-kappa B) p65 subunit into the nucleus and the phosphorylation of mitogen-activated protein kinases (MAPKs), especially JNK and ERK. Collectively, these data indicated that propacin may have the potential to be developed as a novel therapeutic agent for inflammatory-related diseases.
引用
收藏
页码:596 / 605
页数:10
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