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  • 20(R)-ginsenoside Rg3, a rare saponin from red ginseng, ameliorates acetaminophen-induced hepatotoxicity by suppressing PI3K/AKT pathway-mediated inflammation and apoptosis

    Author(s)
    Zhou, Yan-dan
    Hou, Jin-gang
    Liu, Wei
    Ren, Shen
    Wang, Ying-ping
    Zhang, Rui
    Chen, Chen
    Wang, Zi
    Li, Wei
    Griffith University Author(s)
    Chen, Chen
    Year published
    2018
    Metadata
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    Abstract
    Although ginsenoside Rg3 was isolated as a major component of Korea red ginseng and confirmed to exert potential hepatoprotective effect on acetaminophen (APAP)-induced liver injury via induction of glutathione S-transferase (GST) in vitro, thein vivo hepatoprotective effect of Rg3 and the underlying molecular mechanism of action remain unclear. The current study was aimed to explore whether 20(R)-Ginsenoside Rg3 (20(R)-Rg3) could alleviate acetaminophen-induced liver injury in mice and to determine the involvement of PI3K/AKT signaling pathway. Our findings demonstrated that a single injection of APAP (250 mg/kg) increased ...
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    Although ginsenoside Rg3 was isolated as a major component of Korea red ginseng and confirmed to exert potential hepatoprotective effect on acetaminophen (APAP)-induced liver injury via induction of glutathione S-transferase (GST) in vitro, thein vivo hepatoprotective effect of Rg3 and the underlying molecular mechanism of action remain unclear. The current study was aimed to explore whether 20(R)-Ginsenoside Rg3 (20(R)-Rg3) could alleviate acetaminophen-induced liver injury in mice and to determine the involvement of PI3K/AKT signaling pathway. Our findings demonstrated that a single injection of APAP (250 mg/kg) increased the levels of alanine aminotransferase (ALT), aspartate aminotransferase (AST), tumor necrosis factor-α (TNF-α), and interleukin-1β (IL-1β); such increases were attenuated by pretreatment of mice with 20(R)-Rg3 for seven days. The depletion of glutathione (GSH), generation of malondialdehyde (MDA) and the over expression of cytochrome P450 E1 (CYP2E1) and 4-hydroxynonenal (4-HNE) caused by APAP exposure were also inhibited by 20(R)-Rg3 pretreatment. Moreover, 20(R)-Rg3 pretreatment significantly alleviated APAP-induced apoptosis, necrosis, and inflammatory infiltration in liver tissues. Importantly, 20(R)-Rg3 effectively attenuated APAP-induced liver injury in part via activating PI3K/AKT signaling pathway. In summary, 20(R)-Rg3 exerted liver protection against APAP-caused hepatotoxicity evidenced by inhibition of oxidative stress and inflammatory response, alleviation of hepatocellular necrosis and apoptosis via activation of PI3K/AKT signaling pathway, showing potential as a novel therapeutic agent to prevent liver damage.
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    Journal Title
    International Immunopharmacology
    Volume
    59
    DOI
    https://doi.org/10.1016/j.intimp.2018.03.030
    Subject
    Pharmacology and Pharmaceutical Sciences
    Science & Technology
    Life Sciences & Biomedicine
    Immunology
    Pharmacology & Pharmacy
    20(R)-ginsenoside-Rg3
    Publication URI
    http://hdl.handle.net/10072/386722
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    • Journal articles

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