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Abstract Title:

Octacosanol Attenuates Inflammation in Both RAW264.7 Macrophages and a Mouse Model of Colitis.

Abstract Source:

J Agric Food Chem. 2017 May 10 ;65(18):3647-3658. Epub 2017 May 1. PMID: 28122452

Abstract Author(s):

Tianyi Guo, Qinlu Lin, Xinhua Li, Ying Nie, Long Wang, Limin Shi, Wei Xu, Tao Hu, Ting Guo, Feijun Luo

Article Affiliation:

Tianyi Guo

Abstract:

Octacosanol has multiple biological functions. In this study, the anti-inflammatory effect and molecular mechanism of octacosanol were evaluated by using dextran sulfate sodium (DSS)-induced ulcerative colitis model in mice and lipopolysaccharide (LPS)-stimulated mouse macrophage RAW264.7 cells. The colitis mouse model was induced by 3.0% DSS in 8-week ICR mice and octacosanol orally administered with 100 mg/kg/day. The results showed that octacosanol significantly improved the health status of mice and reduced DSS-induced pathological damage in the colonic tissues. Octacosanol obviously inhibited the mRNA and protein expression levels of pro-inflammatory factors of colonic tissues. In vitro, octacosanol administration significantly reduced the expression of mRNA or protein of pro-inflammatory cytokines and the phosphorylation of c-Jun N-terminal kinase and p38, and it also partly prevented LPS-induced translocations of NF-κB and AP-1. Octacosanol has anti-inflammatory effect, and its molecular mechanism may be involved in downregulating the expression of inflammatory factors and blocking of MAPK/NF-κB/AP-1 signaling pathway.

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Sayer Ji
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