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宿主细胞通过YY1重新编程脂质滴合成,以抵抗PRRSV感染
Zifang Zheng1, Xue Ling1, Yang Li1
1State Key Laboratory for Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, Gansu, China.
mBio
|July 2, 2024
概括
阴阳1 (YY1) 是一种转录因子,通过重新编程脂质滴状合成来抑制猪生殖和呼吸系统综合征病毒 (PRRSV) 复制. 在PRRSV感染时YY1的升级增强了宿主抗病毒活性,提供了新的治疗策略.
科学领域:
- 病毒学 病毒学
- 细胞的新陈代谢
- 免疫学 免疫学 免疫学
背景情况:
- 猪生殖和呼吸系统综合征病毒 (PRRSV) 在猪业中造成重大经济损失.
- 目前的疫苗提供有限的保护,需要新的控制策略.
- 宿主细胞代谢在病毒复制和宿主防御中起着至关重要的作用.
研究的目的:
- 研究阴阳1 (YY1) 在宿主对PRRSV感染的反应中的作用.
- 阐明YY1在PRRSV感染期间调节宿主细胞代谢的机制.
- 为了确定PRRSV控制的潜在治疗点.
主要方法:
- 使用PRRSV感染细胞和动物进行体外和体内研究.
- YY1基因沉默和过度表达的实验.
- 脂质液滴合成和脂质代谢基因 (FASN,PPARγ) 的表达的分析.
主要成果:
- 在PRRSV感染后,YY1的表达上调.
- YY1过度表达抑制PRRSV复制,而YY1沉默则促进它.
- YY1重新编程宿主脂质滴状合成,增强抗病毒活性.
- YY1调节FASN和PPARγ以控制脂质代谢并抑制病毒复制.
结论:
- YY1 是一个关键的宿主因子,它赋予了对PRRSV感染的耐药性.
- 通过转录调节,YY1通过调节脂质滴状合成来抑制PRRSV复制.
- 向YY1代表了对PRRSV控制的有希望的新抗病毒战略.
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