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Inula britannica ameliorates alcohol-induced liver injury by modulating sirt1-ampk/nrf2/NF-κB signaling pathway

Chinese Herbal Medicines 2024年第4期16卷 667-678页

作者： Zhennan Meng Mengyuan Li Xiaoli Wang Kuo Zhang Chunfu Wu Xiaoshu Zhang Faculity of Functional Food and Wine Shenyang Pharmaceutical UniversityShenyang 110016China School of Pharmacy Shenyang Pharmaceutical UniversityShenyang 110016China

Objective: Inula britannica is a traditional Chinese medicinal and functional food with various effects such as anti-liver injury, hypoglycemia, antioxidants, and anti-tumor. The aim of this study was to investigate the protective effects and mechanisms of the ethanolic extract of I. britannica(EEIB) on alcohol-induced liver injury in ***: Fifty-six female C57BL/6 mice were randomly divided into seven groups: control group(Con),ethanol feeding model group(EtOH), Silibinin positive treatment group(EtOH + Silibinin 100 mg/kg),EEIB treatment group(EtOH + EEIB 100, 200, and 400 mg/kg), and EEIB control group(EEIB 400 mg/kg). The National Institute on Alcohol Abuse and Alcoholism(NIAAA) ethanol-feeding model was used to study the effects of EEIB on alcohol-induced lipid metabolism, inflammation, oxidative stress, and fibril formation in mice by histopathological evaluation, immunofluorescence staining, Western blotting analysis and molecular ***: EEIB reduced liver indices to different degrees to normal levels and improved liver morphology in mice. EEIB inhibited alcohol-induced liver injury by activating the sirtuin 1(sirt1)-adenosine monophosphate-activated protein kinase(ampk) signaling pathway in the liver of alcohol-fed mice, in which sesquiterpenes may be the potential active ingredients, and also down-regulated the expression of alpha-smooth muscle actin(a-SMA), collagen alpha(Collagen I), tumor necrosis factor-alpha(TNFa) and attenuated alcohol-induced liver injury. In addition, EEIB also activated the nuclear factor erythroid 2-related factor 2(nrf2) signaling pathway, which alleviated alcohol-induced liver injury at the level of oxidative stress. Notably, the EEIB control group demonstrated that EEIB had no toxic effects in mice. EEIB reduced alcoholic liver injury in a dose-dependent manner. Its therapeutic efficacy was comparable to, if not better than, that of Silibinin when administered at a dose of 400 mg/***: EEIB showed sig

关键词： alcoholic liver injury inflammation Inula britannica L. sesquiterpenes sirt1-ampk/nrf2

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