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Abstract Title:

6-Gingerol ameliorates sepsis-induced liver injury through the Nrf2 pathway.

Abstract Source:

Int Immunopharmacol. 2020 Jan 21 ;80:106196. Epub 2020 Jan 21. PMID: 31978803

Abstract Author(s):

Mu-Keng Hong, Lan-Lan Hu, Ya-Xin Zhang, Yu-Ling Xu, Xiao-Yu Liu, Pei-Kun He, Yu-Hua Jia

Article Affiliation:

Mu-Keng Hong

Abstract:

Sepsis-induced liver injury is very common in intensive care units. Here, we investigated the effects of 6-gingerol on sepsis-induced liver injury and the role of the Nrf2 pathway in this process. 6-Gingerol is the principal ingredient of ginger that exerts anti-inflammatory and antioxidant effects. Using cecal ligation and puncture (CLP) to induce polymicrobial sepsis and related liver injury, we found that mice pre-treated with 6-Gingerol showed less incidences of severe liver inflammation and death than untreated CLP groups. 6-Gingerol administration also inhibited the expression of pyroptosis-related proteins, including NOD-like receptor protein 3 (NLRP3), IL-1β, and caspase-1. Consistent with these findings, 6-gingerol reduced the effects of pyroptosis induced by lipopolysaccharide (LPS) and adenosine 5'-triphosphate (ATP) in RAW 264.7 cells, as evidenced by IL-1β and caspase-1 protein levels in the supernatant and propidium iodide (PI) staining. 6-Gingerol was shown to activate the Nrf2 pathway in vivo and in vitro. Notably, Nrf2 siRNA transfection nullified the inhibitory effects of 6-gingerol on pyroptosis in vitro. In summary, these findings suggested that 6-gingerol alleviated sepsis-induced liver injury by inhibiting pyroptosis through theNrf2 pathway.

Study Type : In Vitro Study

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Sayer Ji
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