相关实验视频
Updated: Jan 14, 2026

Assays for Validating Histone Acetyltransferase Inhibitors
Published on: August 6, 2020
希斯脱乙酶6通过特定部位的脱乙化抑制STING依赖的抗病毒免疫力
Min Qu1, Dali Wei2, Qunhua Ke2
1State Key Laboratory for Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou, China; Gansu Province Research Center for Basic Disciplines of Pathogen Biology, Lanzhou, China; State Key Laboratory for Animal Disease Control and Prevention, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, China.
基斯脱乙酶HDAC6通过调节STING通路来抑制病毒复制. STING的HDAC6脱乙化会损害抗病毒反应,为新疗法提供了点.
科学领域:
- 免疫学 免疫学 免疫学
- 分子生物学分子生物学
- 病毒学 病毒学
背景情况:
- 基斯脱乙酶6 (HDAC6) 在先天免疫力中起作用.
- 它在RNA病毒感染期间的特定功能尚未完全理解.
研究的目的:
- 阐明HDAC6在抗病毒抗RNA病毒天生的免疫中的分子机制.
- 研究HDAC6在调节干扰素基因刺激器 (STING) 途径中的作用.
主要方法:
- 利用了siRNA敲除和药理上抑制HDAC6.
- 进行共免疫沉以研究蛋白质相互作用.
- 分析了STING.的翻译后修改 (乙化和酸化).
- 采用病毒复制试验和突变性STING过度表达.
主要成果:
- HDAC6的减少显著减少了膀性口腔炎病毒 (VSV) 的复制.
- HDAC6直接与STING相互作用,并在K338.8处脱化STING.
- 通过HDAC6介导的STING脱乙基化抑制了TBK1的招募和STING在S366.6的酸化.
- 一个STING K338Q突变体赋予了对VSV感染的抵抗力.
结论:
- 在VSV感染期间,HDAC6作为STING介导的抗病毒反应的负调节剂.
- HDAC6催化STING脱乙化是先天抗病毒免疫的关键检查点.
- 准HDAC6可能是对抗RNA病毒感染的治疗策略.
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