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Published in: Inflammation 2/2015

01-04-2015

Arctigenin Attenuates Lipopolysaccharide-Induced Acute Lung Injury in Rats

Authors: Xianbao Shi, Hongzhi Sun, Dun Zhou, Huanjiu Xi, Lina Shan

Published in: Inflammation | Issue 2/2015

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Abstract

Arctigenin (ATG) has been reported to possess anti-inflammatory properties. However, the effects of ATG on lipopolysaccharide (LPS)-induced acute lung injury (ALI) remains not well understood. In the present study, our investigation was designed to reveal the effect of ATG on LPS-induced ALI in rats. We found that ATG pretreatment attenuated the LPS-induced ALI, as evidenced by the reduced histological scores, myeloperoxidase activity, and wet-to-dry weight ratio in the lung tissues. This was accompanied by the decreased levels of tumor necrosis factor alpha (TNF-α), interleukin-1β (IL-1β), and interleukin-1 (IL-6) in the bronchoalveolar lavage fluid. Furthermore, ATG downregulated the expression of nuclear factor kappa B (NF-κB) p65, promoted the phosphorylation of inhibitor of nuclear factor-κB-α (IκBα) and activated the adenosine 5′-monophosphate (AMP)-activated protein kinase (AMPKα) in the lung tissues. Our results suggested that ATG attenuates the LPS-induced ALI via activation of AMPK and suppression of NF-κB signaling pathway.
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Metadata
Title
Arctigenin Attenuates Lipopolysaccharide-Induced Acute Lung Injury in Rats
Authors
Xianbao Shi
Hongzhi Sun
Dun Zhou
Huanjiu Xi
Lina Shan
Publication date
01-04-2015
Publisher
Springer US
Published in
Inflammation / Issue 2/2015
Print ISSN: 0360-3997
Electronic ISSN: 1573-2576
DOI
https://doi.org/10.1007/s10753-014-9969-z

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