相反的命运:由重离子突变发生的C6+形成的FMDV复制的双极细胞模型
Xiangdong Song1,2, Yan Cui1, Fanglan An2
1College of Veterinary Medicine, Gansu Agricultural University, Lanzhou, Gansu, China.
Frontiers in cellular and infection microbiology
|January 23, 2026
概括
重离子突变生成为FMDV复制创造了独特的细胞模型. 这些模型揭示了宿主免疫力,新陈代谢和细胞周期的变化如何影响病毒感染,帮助疫苗和抗病毒开发.
科学领域:
- 病毒学 病毒学
- 细胞生物学 细胞生物学
- 免疫学 免疫学 免疫学
背景情况:
- 口疫病毒 (FMDV) 对牲畜构成重大威胁.
- 开发有效的FMDV疫苗和抗病毒药物需要更深入地了解宿主-病原体相互作用.
研究的目的:
- 通过重离子突变发生学来设计稳定细胞模型用于FMDV复制.
- 为了研究在工程细胞中不同FMDV复制表型背后的分子机制.
主要方法:
- 使用80 MeV/u12C6+重离子束用于BHK-21细胞的突变发生.
- 生成并表征了两个不同的细胞克隆:BHK-5 (抗病毒) 和BHK-7 (前病毒).
- 进行了多组学分析,以阐明驱动不同表型的机制.
主要成果:
- 改造的BHK-21细胞产生了高度抗病毒 (BHK-5) 和前病毒 (BHK-7) 克隆.
- BHK-5细胞显示出预激活的先天性免疫力 (RIG-I/TLR信号传递) 和病毒清除的自.
- BHK-7细胞表现出增强的糖解,PI3K-Akt通路激活,抑制TNF免疫力,并劫持了病毒复制的G2/M细胞周期阶段.
结论:
- C6+重离子突变可以重新编程宿主免疫力,新陈代谢和细胞周期,以控制FMDV感染的结果.
- 工程细胞模型为开发高产量FMDV疫苗基质提供了宝贵的工具包.
- 这种方法为设计针对FMDV的新型抗病毒策略提供了一个框架.
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