在复杂的儿童综合征中基于全外测序的诊断 - - 临床实用性的队列研究
Alfiya Fasaludeen1, Manna Jose1, U Aswathi1
1R Madhavan Nayar Centre for Comprehensive Epilepsy Care, Department of Neurology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Trivandrum, Kerala, India.
Clinical genetics
|September 16, 2025
概括
整体外体测序 (WES) 是有效的诊断儿童开始的耐药性 (DRE) 和发育性和性脑病变 (DEE). 在41.1%的病例中,Trio-WES发现了致病变体,有助于基因诊断和精准医学.
科学领域:
- 遗传学 是一个遗传学.
- 神经学 神经学
- 儿科 儿科 儿科
背景情况:
- 儿童开始的耐药性 (DRE) 和发育性和性脑病变 (DEE) 通常具有遗传基础.
- 从次大陆对整个外体序列测序 (WES) 在这些条件下有用性的研究是有限的.
研究的目的:
- 评估儿科患者的WES诊断产量,这些儿科患者的DRE/DEE表型被认为是遗传病因.
- 为了确定与更高的诊断产量相关的因素.
主要方法:
- 追溯分析了175名患者 (158名三人组,6名二人组,11名试验组) 的发病 <12年.
- 进行了WES,并确定和分类了致病性/可能致病性变体.
- 使用统计分析来确定影响WES产量的因素.
主要成果:
- WES的整体诊断收益率为38.9% (68/175),三WES的收益率为41.1%.
- 新变种占确定的致病变种的66.2%,错误变种是最常见的 (74%).
- 早期发病年龄,女性性别和德拉维特综合征诊断与焦点相比,WES产量更高.
结论:
- Trio-WES是诊断儿童期DRE/DEE遗传原因的宝贵工具,特别是识别新的变异.
- 诸如女性性别,早期发病和特定的表型等因素增加了发现单一致病原因的可能性.
- 研究结果支持WES在儿科中用于精密医学.
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