HLA variation and antigen presentation in COVID-19 and SARS-CoV-2 infection.

HLA variation and antigen presentation in COVID-19 and SARS-CoV-2 infection.
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DOI:
10.1016/j.coi.2022.102178
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发表时间:
2022-06
影响因子:
7
通讯作者:
Hollenbach JA
Hollenbach JA
中科院分区:
医学2区
文献类型:
--
作者:
Augusto DG;Hollenbach JA

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人类白细胞抗原 (HLA) 分子的非凡变异对于 T 细胞抗原呈递的多样化至关重要。加上新毒株的兴起和 SARS-CoV-2 蛋白快速进化的免疫逃避,HLA 介导的免疫在 COVID-19 中至关重要,但远未得到充分了解。越来越多的研究发现 HLA 变异与不同的 COVID-19 结果之间存在关联,并且 HLA 基因型与针对 SARS-CoV-2 的不同免疫反应相关。预测研究表明,多种病毒株中的突变(最集中在刺突蛋白中)会影响这些突变肽与 HLA 分子之间的亲和力。了解这种变异对 T 细胞反应的影响对于理解自然免疫和疫苗开发中的免疫原性机制至关重要。
The extraordinary variation of the human leukocyte antigen (HLA) molecules is critical for diversifying antigen presentation to T cells. Coupled with the rise of novel strains and rapidly evolving immune evasion by SARS-CoV-2 proteins, HLA-mediated immunity in COVID-19 is critically important but far from being fully understood. A growing number of studies have found the association of HLA variants with different COVID-19 outcomes and that HLA genotypes associate with differential immune responses against SARS-CoV-2. Prediction studies have shown that mutations in multiple viral strains, most concentrated in the Spike protein, affect the affinity between these mutant peptides and HLA molecules. Understanding the impact of this variation on T-cell responses is critical for comprehending the immunogenic mechanisms in both natural immunity and vaccine development.
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发表时间: 2021-10
期刊: Human immunology
影响因子: 2.7
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