一种可扩展的方法,以基因组为首要,在基于医疗保健的人群中检测罕见疾病
Rebecca I Torene1, Karyn Meltz Murphy1, Tracy Brandt1
1Geisinger, Danville, PA, USA.
American journal of human genetics
|October 7, 2025
概括
基因组第一方法可以识别比单独的临床方法更罕见的遗传疾病 (RGD). 这项研究发现许多参与者有遗传发现,但没有临床诊断,这表明RGD透率可能被高估了.
科学领域:
- 基因组学就是基因组学.
- 罕见的遗传疾病 罕见的遗传疾病
- 人口健康 人口健康
背景情况:
- 目前对罕见遗传疾病 (RGD) 的理解严重依赖于临床上确定的个体.
- 基因组第一确定为早期诊断,改善管理和对RGDs更广泛的理解提供了潜在的潜力.
研究的目的:
- 开发和实施一个可扩展的基因组第一策略,用于识别RGD的个体.
- 评估基因组发现与大量医疗保健群体中现有的临床诊断之间的一致性.
主要方法:
- 策划了2,701个高度自信,单一疾病相关基因的列表.
- 应用自动化方法来识别来自盖辛格MyCode社区卫生倡议的218,680名参与者的致病变体.
- 使用现有的诊断代码评估基因组发现的临床适应性.
主要成果:
- 在490个与RGD相关的基因中,确定了2.5%的参与者具有高可信度的分子发现.
- 另外还有0.7%的人可能有分子发现.
- 只有15.0%-21.1%的高可信度阳性有相应的临床诊断,这表明RGD透率的潜在高估.
结论:
- 基因组第一验证对于检测RGD比临床验证更为敏感.
- 具有分子确认RGD的个体中有很大一部分可能在临床上未被诊断出来.
- 这凸显了基因组第一方法的临床实用性和进一步人口研究的必要性.
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