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Updated: Jan 28, 2026

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The Hypoxic Ischemic Encephalopathy Model of Perinatal Ischemia
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S100A8通过促进PFKFB3-依赖的糖解和微神经炎症来加剧败血症相关的脑病变
Hongjie Hu1,2, Shu Peng3, Jingbo Chen1,2
1Department of Emergency Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan, 430030, Hubei, People's Republic of China.
概括
败血症相关脑病变 (SAE) 涉及由微质代谢变化驱动的神经炎症. 这项研究揭示了S100A8通过特定途径促进糖解,恶化SAE和认知缺陷,表明S100A8是治疗点.
科学领域:
- 神经科学是一个神经科学.
- 免疫学 免疫学 免疫学
- 代谢过程中的代谢.
背景情况:
- 败血症相关脑病变 (SAE) 是败血症的一种严重的神经并发症.
- 微质代谢重编程与SAE神经炎症有关,但机制尚不清楚.
研究的目的:
- 研究S100A8在SAE相关的神经炎症和认知障碍中的作用.
- 阐明连接S100A8,微质代谢和炎症的分子机制.
主要方法:
- 分析了SAE小鼠模型的转录组数据.
- 建立了一个CLP诱导的SAE模型与AAV介导的淘汰.
- 使用了体外BV2微细胞模型,遗传/药物干预,代谢分析和行为/组织学分析.
主要成果:
- 在SAE期间,S100A8在激活的微质中得到了上调,其敲击改善了结果.
- S100A8激活PI3K/AKT/HIF-1α通路,上调PFKFB3并促进糖解和细胞因子的释放.
- Knockdown 降低了乳酸生产,炎症性细胞因子 (TNF-α,IL-6,IL-1β) 和提高了认知表现.
结论:
- S100A8通过PI3K/AKT/HIF-1α-PFKFB3通路促进微质糖解,加剧SAE神经炎症和认知障碍.
- 确定了S100A8,微质代谢重编程和神经炎症之间的机制联系.
- S100A8是SAE的一个潜在的治疗点.
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