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Fisetin Prevents Acetaminophen-Induced Liver Injury by Promoting Autophagy.


ABSTRACT: Acetaminophen (APAP) overdose is a leading cause of drug-induced acute liver failure in clinical and hospital settings. Fisetin (FST) is a phenolic compound derived from natural products such as fruit and vegetables. Our research investigated the protective mechanisms of FST in APAP-induced hepatic injury in vitro and vivo. Assessment of mouse serum levels of alanine/aspartate aminotransferases (ALT/AST), liver myeloperoxidase (MPO) activity, malondialdehyde (MDA), glutathione (GSH), and reactive oxygen species (ROS) demonstrated the protective effects of FST toward APAP-induced liver injury. FST also reversed an APAP-induced decrease in mouse L-02 cell line viability. Our results also showed that FST significantly promoted APAP-induced autophagy and inhibited inflammasome activation both in vivo and in vitro. We also found that silencing ATG5, using si-ATG5, reduced the protective effects of FST against APAP-induced hepatotoxicity and reversed the effects on autophagy. Finally, we used the autophagy inhibitor, 3-methyladenine (3-MA) to validate the involvement of autophagy in FST against APAP-induced hepatotoxicity in vitro. We demonstrated that FST prevented APAP-induced hepatotoxicity by increasing ATG5 expression, thereby promoting autophagy and inhibiting inflammasome activation.

SUBMITTER: Zhang J 

PROVIDER: S-EPMC7058798 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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Fisetin Prevents Acetaminophen-Induced Liver Injury by Promoting Autophagy.

Zhang Jiaqi J   Zhao Licong L   Hu Cheng C   Wang Tao T   Lu Juan J   Wu Chenqu C   Chen Long L   Jin Mingming M   Hu Hao H   Ji Guang G   Cao Qin Q   Jiang Yuanye Y  

Frontiers in pharmacology 20200228


Acetaminophen (APAP) overdose is a leading cause of drug-induced acute liver failure in clinical and hospital settings. Fisetin (FST) is a phenolic compound derived from natural products such as fruit and vegetables. Our research investigated the protective mechanisms of FST in APAP-induced hepatic injury <i>in vitro</i> and <i>vivo</i>. Assessment of mouse serum levels of alanine/aspartate aminotransferases (ALT/AST), liver myeloperoxidase (MPO) activity, malondialdehyde (MDA), glutathione (GSH  ...[more]

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