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Article Publish Status: FREE
Abstract Title:

Anti-Inflammatory Effects of Neochlorogenic Acid Extract from Mulberry Leaf () Against LPS-Stimulated Inflammatory Response through Mediating the AMPK/Nrf2 Signaling Pathway in A549 Cells.

Abstract Source:

Molecules. 2020 Mar 18 ;25(6). Epub 2020 Mar 18. PMID: 32197466

Abstract Author(s):

Xiao-Han Gao, Sun-Dong Zhang, Li-Tao Wang, Liang Yu, Xue-Lian Zhao, Hai-Yan Ni, Yan-Qiu Wang, Jian-Dong Wang, Chun-Hua Shan, Yu-Jie Fu

Article Affiliation:

Xiao-Han Gao

Abstract:

Neochlorogenic acid (nCGA) is a phenolic compound isolated from mulberry leaf (), which possesses multiple pharmacological activities containing antioxidant and anti-inflammatory effects. However, the role of nCGA in the treatment of acute pneumonia and the underlying molecular mechanism are still unclear. Hence, the aim of study is to investigate the anti-inflammatory properties of nCGA on LPS-stimulated inflammation in A549 cells. In the present study, results reported that nCGA without cytotoxicity significantly reduced the production of TNF-α, IL-6, and NO, and further suppressed the proteins of iNOS, COX2, TNF-α, IL-6 expression. Furthermore, nCGA also inhibited NF-κB activation and blocked MAPKs signaling pathway phosphorylation. In addition, we found nCGA significantly increased the expression of HO-1 via activating the AMPK/Nrf2signaling pathway to attenuate the inflammatory response, whereas this protective effect of nCGA was reversed by pre-treatment with compound C (C.C, an AMPK inhibitor). Therefore, all these results indicated that nCGA might act as a natural anti-inflammatory agent for the treatment of acute pneumonia.

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