Abstract Title:

Protective Effects of Isoliquiritigenin on LPS-Induced Acute Lung Injury by Activating PPAR-γ.

Abstract Source:

Inflammation. 2018 Aug ;41(4):1290-1296. PMID: 29654430

Abstract Author(s):

Wenbin Zhang, Gui Wang, Shujun Zhou

Article Affiliation:

Wenbin Zhang


Isoliquiritigenin (ILG), a major ingredient of licorice, has been reported to have anti-oxidative and anti-inflammatory effects. The aim of this study was to investigate the protective effects of ILG on lung injury using an animal model of lipopolysaccharide (LPS)-induced acute lung injury (ALI). Male BALB/c mice were conditioned with ILG 1 h before intranasal instillation of LPS. The effects of ILG on lung injury were assessed by measuring lung histopathological examination, MPO assay, wet/dry (W/D) ratio, and inflammatory cytokine production. The results showed that ILG significantly inhibited LPS-induced lung histopathological changes and the MPO activity. Meanwhile, it attenuated the wet/dry (W/D) ratio in the lung tissues. The results also indicated that ILG inhibited LPS-induced ALI in the expression of inflammatory cytokines in the BALF. Furthermore, ILG can decrease the activity of NF-κB and can increase the expressionof PPAR-γ. These findings suggested that ILG inhibited the inflammatory of LPS-induced lung injury by activating PPAR-γ and inhibiting NF-κB activation.

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Sayer Ji
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