ACE和TMPRSS2多态体之间的协同相互作用增加了严重COVID-19的风险
Odonchimeg Bayaraa1,2, Chimedlkhamsuren Ganbold3, Bayarlakh Byambadorj3
1Department of Pulmonology and Allergy, School of Medicine, Mongolian National University of Medical Science, Ulaanbaatar, Mongolia.
PloS one
|February 24, 2026
概括
遗传因素影响COVID-19的严重程度. 一项针对已接种疫苗的蒙古人的研究发现,rs4646994 (ACE基因) 和rs75603675 (TMPRSS2基因) 组合显著增加了严重COVID-19的风险.
科学领域:
- 遗传学 是一个遗传学.
- 传染性疾病 传染性疾病
- 分子生物学分子生物学
背景情况:
- 遗传因素越来越被认为是COVID-19严重程度和死亡率的决定因素.
- 鉴定严重COVID-19的特定遗传标记对公共卫生战略至关重要,特别是在接种疫苗的人群中.
研究的目的:
- 调查候选基因 (ACE,ACE2,NR3C1,TMPRSS2) 中的多态性和在接种疫苗的蒙古人群中COVID-19严重程度之间的关联.
- 为了确定赋予严重或危急COVID-19的风险增加的遗传标记.
主要方法:
- 跨部分研究涉及90名严重,95名轻度和90名无症状的COVID-19患者,来自接种疫苗的队列.
- 10个单核酸多态 (SNP) 的基因定型,包括rs4646994,rs4240157,rs41423247,rs56149945,rs10052957,rs12329760,rs4303795,rs75603675和rs17854725使用实时PCR,RFLP和异位基因特定PCR.
- 统计分析包括后勤回归,邦费罗尼校正和使用多维缩小的SNP-SNP相互作用分析.
主要成果:
- 与轻微病例相比,rs75603675 (TMPRSS2基因) 的A/C基因型与严重COVID-19的3.58倍风险显著增加有关.
- 在rs4646994的D/D或I/D基因型 (ACE基因) 和rs75603675.75的A/C基因型之间观察到协同作用.
- 这种组合基因型 (rs4646994和rs75603675) 显示在邦费罗尼校正后,严重COVID-19的风险显著增加 (OR=4.88).
结论:
- 在ACE基因 (rs4646994) 和TMPRSS2基因 (rs75603675) 中特定多态的组合与在接种疫苗的蒙古人群中患重症COVID-19的风险增加有关.
- 这些发现突出了特定基因变异在调节COVID-19疾病进展中的作用,并可以为个性化风险评估和公共卫生干预提供信息.
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