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MSCs通过调控AMPK/mTOR促进自噬改善NASH肝损伤

梁晨晨 高建鹏

梁晨晨, 高建鹏. MSCs通过调控AMPK/mTOR促进自噬改善NASH肝损伤[J]. 昆明医科大学学报, 2023, 44(7): 162-167. doi: 10.12259/j.issn.2095-610X.S20230728
引用本文: 梁晨晨, 高建鹏. MSCs通过调控AMPK/mTOR促进自噬改善NASH肝损伤[J]. 昆明医科大学学报, 2023, 44(7): 162-167. doi: 10.12259/j.issn.2095-610X.S20230728
Chenchen LIANG, Jianpeng GAO. MSCs Promote Autophagy to Alleviate Liver Injury in NASH by Regulating AMPK/mTOR Axis[J]. Journal of Kunming Medical University, 2023, 44(7): 162-167. doi: 10.12259/j.issn.2095-610X.S20230728
Citation: Chenchen LIANG, Jianpeng GAO. MSCs Promote Autophagy to Alleviate Liver Injury in NASH by Regulating AMPK/mTOR Axis[J]. Journal of Kunming Medical University, 2023, 44(7): 162-167. doi: 10.12259/j.issn.2095-610X.S20230728

MSCs通过调控AMPK/mTOR促进自噬改善NASH肝损伤

doi: 10.12259/j.issn.2095-610X.S20230728
基金项目: 国家自然科学基金资助项目(81860424);深圳市科技攻关项目(202247)
详细信息
    作者简介:

    梁晨晨(1997~),女,安徽合肥人,在读硕士研究生,主要从事非酒精性脂肪肝病基础研究工作

    通讯作者:

    高建鹏,E-mail:gaojianpeng@kmmu.edu.cn

  • 中图分类号: R310

MSCs Promote Autophagy to Alleviate Liver Injury in NASH by Regulating AMPK/mTOR Axis

  • 摘要: 非酒精性脂肪性肝炎(nonalcoholic steatohepatitis,NASH)是代谢相关性脂肪肝病(metabolic associatedfattyliverdisease,MAFLD)肝脏特征性病理表现,是MAFLD从相对良性和可逆阶段向肝损伤甚至肝硬化和肝细胞癌发展的关键转折点。近年来研究表明,脂质沉积和氧化应激贯穿于MAFLD始终,而改善肝脂肪沉积和氧化应激是目前治疗和预防NASH疾病发生和发展的主要干预途径。一般来说,促进自噬水平可减少脂质积累(triglyceride,TG)和氧化应激(oxidative stress,OS)并促进肝细胞存活,而阻断自噬水平可能会加速NASH的进展。但自噬水平的激活与上游信号AMPK/mTOR/ULK1的活化及EI24的调控密不可分。其中一种与AMPK、mTOR通道活化密切相关的自噬跨膜蛋白依托泊苷诱导2.4蛋白(Etoposide-induced protein 2.4,EI24),可通过促进自噬溶酶体的降解加速自噬流的活化过程。同时,间充质干细胞(mesenchymal stem cells,MSCs)作为理想的自噬诱导体,凭借其激活AMPK/mTOR介导性自噬在治疗各种NASH炎症性疾病方面优异的治疗效果被广泛研究。因此,当采用MSCs以“药物作用”调控EI24/AMPK/mTOR轴促进自噬改善或逆转NASH脂肪堆积、氧化应激等肝损伤,以期为NASH相关发病机制的阐明和开发新的治疗策略提供依据。
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  • 收稿日期:  2023-05-16
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