实现可复制的1型糖尿病多基因风险评分,用于临床和转化应用
Maizy S Brasher1, Matthew J Fisher2, Carolina Sanchez Wild2
1Department of Biomedical Informatics, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO.
medRxiv : the preprint server for health sciences
|August 12, 2025
概括
多基因风险评分 (PRS) 有效地区分了成人1型糖尿病和2型糖尿病. 这项研究为PRS的临床翻译提供了一个框架和代码,以改善糖尿病亚型和决策.
科学领域:
- 遗传学 是一个遗传学.
- 内分泌学 在内分泌学.
- 生物信息学是一种生物信息学.
背景情况:
- 在成年人中,诊断1型糖尿病 (T1D) 可能具有挑战性.
- 多基因风险评分 (PRS) 显示出T1D亚型的潜力.
- 临床实施PRS需要强大的管道.
研究的目的:
- 开发T1D PRS的临床翻译管道.
- 为PRS应用程序提供开源代码.
- 支持新发糖尿病的临床决策.
主要方法:
- 调整了两种T1DPRS (67-SNP和7-SNP) 用于临床基因定型.
- 在一个大型生物库中,向73,346名参与者应用了PRS.
- 使用表型算法和临床数据评估PRS性能.
主要成果:
- 两种PRS都精确地区分了T1D与T2D的祖先 (AUC>0.80).
- 顶级PRS五分位数对糖尿病酸性酸症 (DKA) 病例进行了丰富.
- 在顶级PRS五分位数中观察到GAD自身抗体阳性的概率增加.
结论:
- PRS在糖尿病亚型化方面显示出临床实用性.
- 介绍了PRS标准化,公平的临床翻译的框架.
- 公开可用的软件有助于未来的PRS实施.
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