基于烯的辅助成分的使用确保诱导对SARS-CoV-2的中和抗体
E A Volosnikova1, N V Volkova2, V V Ermolaev2
1State Research Center of Virology and Biotechnology "VECTOR", Federal Service for Surveillance on Consumer Rights Protection and Human Wellbeing, Koltsovo, Novosibirsk region, Russia. volosnikova_ea@vector.nsc.ru.
Bulletin of experimental biology and medicine
|August 2, 2024
概括
新的基于素的辅助剂有效地提高了对SARS-CoV-2的免疫反应. 素辅助剂与病毒受体结合域 (RBD) 结合,在小鼠中诱导高抗体标位和中和活性.
科学领域:
- 免疫学 免疫学 免疫学
- 疫苗开发 疫苗开发
- 病毒学 病毒学
背景情况:
- 开发有效的辅助剂对于增强疫苗免疫性至关重要.
- SARS-CoV-2受体结合域 (RBD) 是中和抗体的关键目标.
- 斯奎伦是一种成熟的辅助剂,具有安全有效的使用历史.
研究的目的:
- 开发和评估基于烯的新型辅助成分.
- 评估这些辅助剂与SARS-CoV-2 RBD结合的免疫性.
- 确定针对SARS-CoV-2Delta变种产生的抗体的中和能力.
主要方法:
- 基于烯的辅助成分的配方.
- 用辅助剂-RBD配方免疫小鼠.
- 使用ELISA测量特定抗体标位.
- 对抗SARS-CoV-2Delta变种中和抗体活性的评估.
主要成果:
- 基于素的辅助剂成功诱导了针对SARS-CoV-2 RBD (10^5到2x10^6) 的特定抗体的高标位.
- 来自免疫小鼠的血清显示出对SARS-CoV-2德尔塔变种 (B.1.617.2) 的显著中和活性,其标位高达1:2000.
- 开发的成分显示出有效诱导幽默性免疫反应的潜力.
结论:
- 基于素的辅助剂在增强对SARS-CoV-2 RBD的免疫反应方面是有效的.
- 这些辅助剂可以引起针对SARS-CoV-2变种的强有力的中和抗体.
- 这些发现支持开发用于预防COVID-19的基于素的疫苗.
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