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Several cytokine receptors have tightly bound Janus kinase or JAK proteins attached at their cytosolic tail. Small signaling molecules such as cytokines, growth hormones, or prolactins bind to the cytokine receptors and initiate their dimerization. The dimerization brings the cytosolic JAKs together that trans-phosphorylate and activates each other. The activated JAKs now phosphorylate cytosolic tails of the cytokine receptors, which serve as binding sites for adaptor proteins such as  SH2...
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相关实验视频

Updated: Jul 6, 2025

A High Resolution Method to Monitor Phosphorylation-dependent Activation of IRF3
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通过调节干扰素通路,HDAC3 促进缺血性中风.

Jiaxin Wang1,2, Mengmeng Yang1, Yang Chen3

  • 1Department of Anesthesiology, First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, 230001 Hefei, Anhui, China.

Journal of integrative neuroscience
|January 4, 2024
PubMed
概括

基因组脱乙酶3 (HDAC3) 抑制通过降低ZBP1/p-IRF3信号调节来改善缺血性中风损伤. 这种新的机制为中风治疗提供了一个有前途的治疗标.

关键词:
Z-DNA 结合蛋白 1 结合蛋白 1基因组脱乙酶3的使用缺血性中风 中风化干扰素调节因子 3 的调节因子

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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:

  • 炎症和免疫反应是缺血性中风病理学的关键.
  • 干扰素信号通路的改变发生在急性中风中.
  • 胰岛素脱甲基化在中风中的作用尚不清楚.

研究的目的:

  • 为了研究调节基因组脱乙化是否可以调节中风中的干扰素信号通路.
  • 为了确定HDAC3抑制是否影响中风相关的病理变化.

主要方法:

  • 中脑动脉封闭 (MCAO) 的小鼠模型.
  • 用HDAC3抑制剂RGFP966.6.3进行治疗
  • 实时PCR,西斑,TTC染色,行为测试和共聚焦成像.

主要成果:

  • 在MCAO小鼠中,RGFP966治疗减少了心脏病发作量和类似焦虑的行为.
  • RGFP966抑制了干扰素通路过活化和微质中Z-DNA结合蛋白1 (ZBP1) 的表达.
  • 抑制HDAC3可以改善中风后的炎症反应.

结论:

  • 抑制HDAC3可以通过降低ZBP1/化干扰素调节因子3 (p-IRF3) 途径来改善缺血性中风损伤.
  • 这项研究揭示了缺血性中风的新治疗机制.
  • 准HDAC3为未来的中风治疗提供了一个有希望的策略.