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JoVE Journal
Immunology and Infection
假型病毒作为通过中和测定监测针对 SARS-CoV-2 的体液免疫反应的分子工具
假型病毒作为通过中和测定监测针对 SARS-CoV-2 的体液免疫反应的分子工具
JoVE Journal
Immunology and Infection
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JoVE Journal Immunology and Infection
Pseudotyped Viruses As a Molecular Tool to Monitor Humoral Immune Responses Against SARS-CoV-2 Via Neutralization Assay

假型病毒作为通过中和测定监测针对 SARS-CoV-2 的体液免疫反应的分子工具

Full Text
2,414 Views
05:49 min
November 21, 2023

DOI: 10.3791/65658-v

Tobia Fantoni*1, Michele Bissoli*1, Chiara Stefani1, Mauro Voi1, Alexandrina Dabija1, Rebecca Casula1, Domenico Luca Minafra1, Julys da Fonseca Palmeira2, Enrique Roberto Argañaraz2, Martin Mayora-Neto3, Nigel J. Temperton3, Donato Zipeto1, Alessandra Ruggiero1

1Department of Neuroscience, Biomedicine and Movement,University of Verona, 2Laboratory of Molecular Neurovirology, Faculty of Health Science,University of Brasília, 3Viral Pseudotype Unit, Medway School of Pharmacy,Universities of Kent and Greenwich at Medway

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Please note that some of the translations on this page are AI generated. Click here for the English version.

假型病毒 (PV) 是复制缺陷的病毒粒子,用于在比处理真实病毒更安全的条件下研究宿主-病毒相互作用。这里介绍的是一个详细的方案,显示了如何使用 SARS-CoV-2 PV 来测试 COVID-19 疫苗接种后患者血清的中和能力。

假型病毒是一种分子工具,可用于研究宿主-病毒相互作用并测试血清样本的中和活性。在我们今天介绍的工作中,将介绍一种基于游离质粒生产假型病毒的通用方法。对于中和测定,通常使用 Y 型病毒,但它们具有高致病性,无法在 BSL-2 实验室中处理,因此该系统完全适用于大规模。

与活病毒相比,假病毒技术可以成为更安全的替代方案,以允许研究病原体与宿主的相互作用并测试抗体的中和活性。未来的实验将利用假病毒技术研究特异性抗体在疫苗接种后维持免疫力中的作用。

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