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星球细胞衍生的LCN2通过积聚乳酸激活EV-A71诱导的肌肉疼痛
Qiao You1, Jing Wu1, Chaoyong Wang2,3
1Center for Public Health Research, Medical School of Nanjing University, Nanjing, China.
Science advances
|May 16, 2025
概括
病毒性肌肉疼痛 (VMS) 与病毒感染有关. 一项新的研究揭示了脑肌轴,涉及利波卡林2 (LCN2),通过改变肌肉代谢来促进VMS.
科学领域:
- 神经科学是一个神经科学.
- 免疫学 免疫学 免疫学
- 分子生物学分子生物学
背景情况:
- 病毒性肌肉疼痛 (VMS) 在病毒感染期间显著影响患者的生活质量.
- 背后的精确机制VMS,特别是大脑肌肉连接,仍然不完全理解.
研究的目的:
- 通过研究脑肌轴,阐明VMS的潜在机制.
- 确定参与VMS开发的关键分子参与者.
主要方法:
- 使用病毒感染的小鼠模型 (Enterovirus A71,日本脑炎病毒等). ) 的情况.
- 使用RNA测序来识别差异表达的基因.
- 通过使用LCN2缺乏的小鼠,研究了卡林2 (LCN2) 的作用.
- 分析了涉及高流动性组1 (HMGB1),LCN2,pyruvate dehydrogenase kinase 1 (PDK1) 和乳酸的分子通路.
主要成果:
- 引起VMS的病毒感染导致小鼠疼痛值降低.
- 利波卡林2 (LCN2) 在与VMS相关的各种病毒感染期间显著上调.
- 缺乏LCN2的小鼠在感染后表现出增加的疼痛耐受性和保持运动功能.
- 一个涉及HMGB1,天体细胞衍生的LCN2,PDK1和肌肉中的乳酸积累的途径被确定为促进VMS.
结论:
- 大脑肌肉轴在VMS的发病过程中起着至关重要的作用.
- HMGB1/LCN2/PDK1/乳酸盐信号通路是VMS的一个关键驱动器.
- 准这种途径可能为缓解VMS提供治疗策略.
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