远端肢体缺血调节通过细胞外囊泡介导的肌肝串扰减轻脂肪性肝炎

IF 27.7 1区 生物学 Q1 CELL BIOLOGY
Yichao Zhao, Ling Gao, Jianqing Chen, Jingze Wei, Guanqiao Lin, Kewei Hu, Wubin Zhao, Weijun Wei, Wei Huang, Lingchen Gao, Ancai Yuan, Kun Qian, Alex F. Chen, Jun Pu
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引用次数: 0

摘要

代谢功能障碍相关脂肪性肝炎(MASH)是一种具有不良结局的晚期肝脏疾病。操纵器官间通讯被认为是治疗代谢性疾病(包括脂肪性肝炎)的一种有前途的策略。在这里,我们报道了远端肢体缺血调节(RIC),一种临床验证的通过短暂性肌肉缺血来保护远端器官的治疗方法,在不同的小鼠模型中显著减轻了脂肪性肝炎。肢体缺血调节的有益作用是通过小细胞外囊泡(sev)及其载货microrna的肌肉向肝脏转移介导的,从而导致肝脏中miR-181d-5p的升高。肝脏miR-181d-5p过表达通过抑制核受体4A3 (NR4A3)忠实地反映了肢体缺血适应的分子和组织学益处。此外,来自肢体缺血状态的人类志愿者的循环ev改善了原代人肝细胞和动物模型中的脂肪性肝炎和转录组紊乱。我们的数据强调了肢体缺血调节对脂肪性肝炎治疗的转化潜力,并扩展了我们对肌肉-肝脏串音的理解。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Remote limb ischemic conditioning alleviates steatohepatitis via extracellular vesicle-mediated muscle-liver crosstalk

Remote limb ischemic conditioning alleviates steatohepatitis via extracellular vesicle-mediated muscle-liver crosstalk
Metabolic dysfunction-associated steatohepatitis (MASH) is an advanced form of liver disease with adverse outcomes. Manipulating interorgan communication is considered a promising strategy for managing metabolic disease, including steatohepatitis. Here, we report that remote limb ischemic conditioning (RIC), a clinically validated therapy for distant organ protection by transient muscle ischemia, significantly alleviated steatohepatitis in different mouse models. The beneficial effect of limb ischemic conditioning was mediated by muscle-to-liver transfer of small extracellular vesicles (sEVs) and their cargo microRNAs, leading to elevation of miR-181d-5p in the liver. Hepatic miR-181d-5p overexpression faithfully mirrored the molecular and histological benefits of limb ischemic conditioning by suppressing nuclear receptor 4A3 (NR4A3). Furthermore, circulating EVs from human volunteers undergoing limb ischemic conditioning improved steatohepatitis and transcriptomic perturbations in primary human hepatocytes and animal models. Our data underscore the translational potential of limb ischemic conditioning for steatohepatitis management and extend our understanding of muscle-liver crosstalk.
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来源期刊
Cell metabolism
Cell metabolism 生物-内分泌学与代谢
CiteScore
48.60
自引率
1.40%
发文量
173
审稿时长
2.5 months
期刊介绍: Cell Metabolism is a top research journal established in 2005 that focuses on publishing original and impactful papers in the field of metabolic research.It covers a wide range of topics including diabetes, obesity, cardiovascular biology, aging and stress responses, circadian biology, and many others. Cell Metabolism aims to contribute to the advancement of metabolic research by providing a platform for the publication and dissemination of high-quality research and thought-provoking articles.
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