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对静脉血栓栓塞的遗传概率的开发和验证
Zhuqing Shi1, Ashley J Mulford2, Huy Tran1
1Program for Genomic Translational Research, NorthShore University HealthSystem (Endeavor Health), Evanston, Illinois, USA.
Research and practice in thrombosis and haemostasis
|June 11, 2025
概括
一个名为GenProb-VTE的新工具将多基因分数 (PGSs) 与V Leiden因子 (FVL) 和前热血素基因突变 (PGMs) 结合起来,以改善静脉血栓塞栓症 (VTE) 风险评估. 这种遗传风险工具在各种祖先群体中是有效的.
科学领域:
- 遗传学 是一个遗传学.
- 心血管医学 心血管医学
- 生物信息学是一种生物信息学.
背景情况:
- 维因子莱登 (FVL) 和前热血素基因突变 (PGMs) 是已知的静脉血栓栓塞 (VTE) 的危险因素.
- 多基因分数 (PGS) 是评估对复杂疾病的遗传倾向的新兴工具.
- 当前的风险评估工具在多样化的祖先群体中往往缺乏性能.
研究的目的:
- 开发和验证一个优化的VTE风险评估工具.
- 将已知突变 (FVL/PGM) 的常见遗传变异 (PGS) 整合起来,以改善静脉瘤风险预测.
- 确保该工具在各种祖先群体中的有效性.
主要方法:
- 在英国生物银行进行了多变量分析,以评估与FVL/PGM和PGS相关的VTE风险.
- 开发了一种新的VTE遗传概率 (GenProb-VTE),结合了PGS和FVL/PGM.
- 该工具的性能使用VTE率和净重新分类指数进行评估,并在基因组健康倡议队列中进行验证.
主要成果:
- 在超过43.2万名英国生物库参与者中,FVL,PGM和PGS与静脉瘤风险 (P < .001) 独立相关.
- 基因试验-VTE发现高风险个体的数量是单独FVL/PGM的1.5倍,风险重新分类显著改善 (连续净重新分类指数=0.10,P<.001).
- 在基因组健康倡议中的验证证实了GenProb-VTE在欧洲和非欧洲祖先参与者的有效性.
结论:
- 通过将PGS与FVL/PGM相结合,GenProb-VTE提高了VTE风险评估.
- 与单独使用FVL/PGM相比,该工具表现得更好,特别是在多样化的群体中.
- GenProb-VTE为VTE的遗传风险分层提供了一种新方法.
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