HLA遗传变异,COVID-19疫苗抗体反应和突破性结果风险之间的关系
Junqing Xie1, Beatriz Mothe2, Marta Alcalde Herraiz1
1Centre for Statistics in Medicine and NIHR Biomedical Research Centre Oxford, NDORMS, University of Oxford, Oxford, UK.
个体遗传因素,特别是人类白细胞抗原 (HLA) 基因,影响COVID-19疫苗抗体反应. 某些HLA基因对抗体水平和突破性感染风险产生影响,为个性化疫苗策略提供信息.
科学领域:
- 免疫遗传学 免疫遗传学
- 疫苗学 疫苗学 疫苗学
- 人口遗传学 人口遗传学
背景情况:
- 全球COVID-19疫苗接种工作广泛,但影响疫苗有效性的个体遗传因素仍未得到充分探索.
- 了解对抗体反应的遗传倾向对于优化疫苗策略至关重要.
研究的目的:
- 为了研究人类白细胞抗原 (HLA) 遗传变异和COVID-19疫苗接种后的抗体反应之间的关联.
- 确定特定的HLA基因对突破性COVID-19感染风险和严重性的影响.
主要方法:
- 在357,806名接种了HLA基因定型疫苗的人群中进行了基于人群的研究.
- 对175,000名参与者的抗体血清学数据的分析.
- 统计分析以确定与抗体反应和突破性感染风险相关的HLA基因.
主要成果:
- 证实了主要基因相容性复合体中的单核酸多态,特别是HLA-DQB1*06等位基因,与增强的抗体反应相关.
- 鉴定了六种新的HLA基因 (A*03:01,C*16:01,DQA1*01:02,DQA1*01:01,DRB3*01:01,DPB1*10:01) 影响抗体水平.
- 证明HLA基因对突破性COVID-19风险的综合作用和估计的疫苗诱导抗体阳性为感染和严重性提供了显著的保护.
结论:
- 特定的HLA等位基因显著调节对COVID-19疫苗的抗体反应.
- 遗传因素在确定个人对突破性感染的易感性方面发挥着作用.
- 这些发现支持基于遗传特征的个性化疫苗接种策略的开发.
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