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Xiao X, Liu D, Chen S, Li X, Ge M, Huang W. Sevoflurane preconditioning activates HGF/Met-mediated autophagy to attenuate hepatic ischemia-reperfusion injury in mice. Cell Signal 2021; 82:109966. [PMID: 33639217 DOI: 10.1016/j.cellsig.2021.109966] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2021] [Revised: 02/21/2021] [Accepted: 02/22/2021] [Indexed: 11/26/2022]
Abstract
Sevoflurane (SEV) preconditioning plays a protective effect against liver ischemia reperfusion (IR) injury, while the role of autophagy in SEV-mediated hepatoprotection and the precise mechanism is unclear. In the current study, mice were pretreated with SEV or autophagy inhibitor before liver IR injury. In vitro, primary rat hepatocytes were pretreated with SEV and then exposed to hypoxia/reoxygenation (H/R). Liver function was measured by biochemical and histopathological examinations, and markers associated with inflammation, oxidation, apoptosis and autophagy were subsequently measured. We found that SEV preconditioning dramatically reduced hepatic damage, alleviated cell inflammatory response, oxidative stress and apoptosis in mice suffering hepatic IR injury, whereas these protective effects were abolished by the autophagy inhibitor 3-MA. In addition, pretreatment with SEV markedly activated HGF/Met signaling pathway regulation. Besides, pretreatment with an hepatocyte growth factor (HGF) inhibitor or knocking down HGF expression significantly downregulated phosphorylated met (p-met) and autophagy levels, and abolished the protective effects of SEV against hepatic IR or hepatocyte H/R injury. Conversely, HGF overexpression efficiently increased the p-met and autophagy levels and strengthened the protective effects of SEV. These results indicated that sevoflurane preconditioning ameliorates hepatic IR injury by activating HGF/Met-mediated autophagy.
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Affiliation(s)
- Xiaoyu Xiao
- Department of Anesthesiology, First Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510080, Guangdong, China; Department of Anesthesiology, Fifth Affiliated Hospital of Sun Yat-sen University, Guangzhou, 519000, Guangdong, China
| | - Dezhao Liu
- Department of Anesthesiology, Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, Guangdong, China
| | - Sufang Chen
- Department of Anesthesiology, Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, Guangdong, China
| | - Xiang Li
- Department of Anesthesiology, Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, Guangdong, China
| | - Mian Ge
- Department of Anesthesiology, Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, Guangdong, China.
| | - Wenqi Huang
- Department of Anesthesiology, First Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510080, Guangdong, China.
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