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Abstract Title:

Isoliquiritigenin protects against sepsis-induced lung and liver injury by reducing inflammatory responses.

Abstract Source:

Biochem Biophys Res Commun. 2018 02 5 ;496(2):245-252. Epub 2017 Nov 24. PMID: 29180018

Abstract Author(s):

Xiong Chen, Xueding Cai, Rongrong Le, Man Zhang, Xuemei Gu, Feixia Shen, Guangliang Hong, Zimiao Chen

Article Affiliation:

Xiong Chen

Abstract:

Sepsis, one of the most fatal diseases worldwide, often leads to multiple organ failure, mainly due to uncontrolled inflammatory responses. Despite accumulating knowledge obtained in recent years, effective drugs to treat sepsis in the clinic are still urgently needed. Isoliquiritigenin (ISL), a chalcone compound, has been reported to exert anti-inflammatory properties. However, little is known about the effects of ISL on sepsis and its related complications. In this study, we investigated the potential protective effects of ISL on lipopolysaccharide (LPS)-induced injuries and identified the mechanisms underlying these effects. ISL inhibited inflammatory cytokine expression in mouse primary peritoneal macrophages (MPMs) exposed to LPS. In an acute lung injury (ALI) mouse model, ISL prevented LPS-induced structural damage and inflammatory cell infiltration. Additionally, pretreatment with ISL attenuated sepsis-induced lung and liver injury, accompanied by a reduction in inflammatory responses. Moreover, these protective effects were mediated by the nuclear factor kappa B (NF-κB) pathway-mediated inhibition of inflammatory responses in vitro and in vivo. Our study suggests that ISL may be a potential therapeutic agent for sepsis-induced injuries.

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