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Albiflorin Alleviates Sepsis-induced Acute Liver Injury through mTOR/p70S6K Pathway

[ Vol. 24 , Issue. 3 ]


Yanan Liu, Lizhi Feng and Lan Yao*   Pages 344 - 354 ( 11 )


<P>Background: Sepsis often induces hepatic dysfunction and inflammation, accounting for a significant increase in the incidence and mortality rates. To this end, albiflorin (AF) has garnered enormous interest due to its potent anti-inflammatory activity. However, the substantial effect of AF on sepsis-mediated acute liver injury (ALI), along with its potential mechanism of action, remains to be explored. <P> Methods: An LPS-mediated primary hepatocyte injury cell model in vitro and a mouse model of CLP-mediated sepsis in vivo were initially built to explore the effect of AF on sepsis. Furthermore, the hepatocyte proliferation by CCK-8 assay in vitro and animal survival analyses in vivo for the survival time of mice were carried out to determine an appropriate concentration of AF. Then, flow cytometry, Western blot (WB), and TUNEL staining analyses were performed to investigate the effect of AF on the apoptosis of hepatocytes. Moreover, the expressions of various inflammatory factors by ELISA and RT-qPCR analyses and oxidative stress by ROS, MDA, and SOD assays were determined. Finally, the potential mechanism of AF alleviating the sepsis-mediated ALI via the mTOR/p70S6K pathway was explored through WB analysis. <P> Results: AF treatment showed a significant increase in the viability of LPS-inhibited mouse primary hepatocytes cells. Moreover, the animal survival analyses of the CLP model mice group indicated a shorter survival time than the CLP+AF group. AF-treated groups showed significantly decreased hepatocyte apoptosis, inflammatory factors, and oxidative stress. Finally, AF exerted an effect by suppressing the mTOR/p70S6K pathway. <P> Conclusion: In summary, these findings demonstrated that AF could effectively alleviate sepsis-mediated ALI via the mTOR/p70S6K signaling pathway.</P>


Sepsis, albiflorin, mouse model, mTOR/p70S6K, pathway, mortality rates.


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