一种广泛适用的分裂化酶生物传感器方法,用于在新出现的传染病中快速检测抗体
Xuesai Li1, Qingli Niu1, Jinming Wang1
1State Key Laboratory of Animal Disease Control and Prevention, African Swine Fever Regional Laboratory of China (Lanzhou), Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Xujiaping 1, Lanzhou, Gansu, 730046, People's Republic of China.
Applied microbiology and biotechnology
|January 23, 2026
概括
一个新的生物发光生物传感器使用分裂纳米化酶进行快速和敏感的抗体检测. 这种多功能平台在诊断诸如非洲猪瘟病毒,SARS-CoV-2和奇孔古尼亚病毒等传染病方面表现有前途.
科学领域:
- 生物技术是生物技术.
- 免疫学 免疫学 免疫学
- 生物传感器技术技术
背景情况:
- 像ELISA这样的常规免疫试验在血清学测试的速度和可扩展性方面存在局限性.
- 基于生物发光的生物传感器为分析物检测提供了高灵敏度,简单性和成本效益.
研究的目的:
- 开发一种广泛兼容的生物发光生物传感器用于抗体检测,使用分析剂介导的分裂纳米化酶 (NanoLuc) 复合.
- 通过检测针对各种病毒的抗体来证明平台的多功能性.
主要方法:
- 使用具有蛋白质G C2域和分离NanoLuc子单元 (LgBiT和SmBiT) 的工程双功能探针.
- 在免疫复合体形成后,LgBiT和SmBiT的分析剂介导的局部化使NanoLuc活动重建,产生生物发光信号.
- 该试验用于检测非洲猪瘟病毒 (ASFV) 抗体,并与商业ELISA套件进行验证.
主要成果:
- 生物传感器表现出高灵敏度,广泛的线性动态范围,与其他猪病毒没有交叉反应.
- 临床验证显示,与商业ELISA套件的一致性为97.11%.
- 该平台成功地适应检测抗体针对SARS-CoV-2和 Chikungunya病毒 (CHIKV) 没有修改.
结论:
- 开发的生物传感器为抗体检测提供了一种精简,多功能和可靠的方法.
- 这项技术消除了对特定物种的二次抗体的需求,简化了检测方法的开发.
- 生物传感器平台有可能成为新兴传染病环境中快速诊断的宝贵工具.
关键词:
非洲猪瘟是非洲猪瘟的一种疾病.抗体检测检测 抗体检测检测生物传感器是一种生物传感器.在 COVID-19 疫情中,奇孔古尼亚热病是什么意思新兴的传染病新出现的传染病.分裂-露西法酶系统的分裂.更多相关视频
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