评估BCG疫苗接种响应的潜在生物标志物基于幽默免疫
Yan-Qing Chen1,2, Shu-Hui Cao3,2, Xin-Yu Yang4
1Department of Sentience and Technology, Beijing Geriatric Hospital, Beijing, China.
Heliyon
|July 1, 2024
概括
研究人员在成年人中发现了针对结核病疫苗Bacille Calmette-Guérin (BCG) 的新抗体反应. 这些发现揭示了评估BCG疫苗接种效果和开发改进疫苗的潜在生物标志物.
科学领域:
- 免疫学 免疫学 免疫学
- 疫苗学 疫苗学 疫苗学
- 生物标志物发现发现
背景情况:
- 目前使用的结核疫苗Bacille Calmette-Guérin (BCG) 是20世纪20年代开发的.
- 由于BCG疫苗接种引发的幽默性免疫反应仍然不完全理解.
研究的目的:
- 在成年人接受BCG疫苗接种后,对抗体反应概况进行鉴定.
- 为了确定评估BCG疫苗接种反应的潜在生物标志物.
主要方法:
- 蛋白质组微阵列被用来分析血清抗体概况.
- 在一个单独的队列中,ELISA验证了潜在的生物标志物.
- 后勤回归分析创建了一个组合生物标志物面板.
主要成果:
- 与对照人群相比,BCG接种引发了更强的IgG和IgM对特定抗原 (Rv0060,Rv2026c,Rv3379c) 的反应.
- 一组生物标志物的组合小组获得了0.923的AUC,敏感度为77.59%,特异性为91.14%.
- 抗体反应在一定程度上与临床背景相关.
结论:
- 鉴定的新型抗原为开发更有效的基于 humoral 免疫反应的疫苗提供了洞察力.
- 这些抗原作为评估BCG疫苗接种反应的潜在生物标志物.
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