Ginsenoside Rg5 Activates the LKB1/AMPK/mTOR Signaling Pathway and Modifies the Gut Microbiota to Alleviate Nonalcoholic Fatty Liver Disease Induced by a High-Fat Diet

文献类型： 外文期刊

第一作者： Shi, Yingying

作者： Shi, Yingying;Sun, Qiang;Zhang, Hao;Sun, Yinshi;Shi, Yingying;Chen, Jianbo;Qu, Di;Sun, Qiang;Yu, Yang;Zhang, Hao;Liu, Zhengbo;Sha, Jiyue;Sun, Yinshi

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关键词： ginsenoside Rg(5); nonalcoholic fatty liver disease; fecal microbiota transplantation; LKB1/AMPK/mTOR signaling pathway

期刊名称：NUTRIENTS （ 影响因子：5.9； 五年影响因子：6.6 ）

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年卷期： 2024 年 16 卷 6 期

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收录情况： SCI

摘要： The primary objective of this investigation was to elucidate the manner in which ginsenoside Rg(5) (Rg(5)) ameliorates nonalcoholic fatty liver disease (NAFLD) via the modulation of the gut microbiota milieu. We administered either a standard diet (ND) or a high-fat diet (HFD), coupled with 12-week treatment employing two distinct doses of Rg(5) (50 and 100 mg/kg/d), to male C57BL/6J mice. In comparison to the HFD cohort, the Rg(5)-treated group demonstrated significant enhancements in biochemical parameters, exemplified by a substantial decrease in lipid concentrations, as well as the reduced expression of markers indicative of oxidative stress and liver injury. This signifies a mitigation of hepatic dysfunction induced by an HFD. Simultaneously, Rg(5 )demonstrates the capacity to activate the LKB1/AMPK/mTOR signaling pathway, instigating energy metabolism and consequently hindering the progression of NAFLD. Furthermore, we underscored the role of Rg(5) in the treatment of NAFLD within the gut-microbiota-liver axis. Analysis via 16S rRNA sequencing unveiled that Rg(5) intervention induced alterations in gut microbiota composition, fostering an increase in beneficial bacteria, such as Bacteroides and Akkermansia, while concurrently reducing the relative abundance of detrimental bacteria, exemplified by Olsenella. Furthermore, employing fecal microbiota transplantation (FMT) experiments, we observed analogous outcomes in mice subjected to fecal bacterial transplants, providing additional verification of the capacity of Rg(5) to mitigate NAFLD in mice by actively participating in the restoration of gut microbiota via FMT. Drawing from these data, the regulation of the gut microbiota is recognized as an innovative strategy for treating or preventing NAFLD and metabolic syndrome. Consequently, these research findings suggest that Rg5 holds promise as a potential therapeutic agent for NAFLD management.

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