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深层组织测序改善了焦点皮质发育不良症的遗传诊断产量

Breana Galea^1,2, Joshua Reid^1,3,4, Samuel Gooley¹

¹Epilepsy Research Centre, Department of Medicine, The University of Melbourne, Austin Health, Heidelberg, Victoria, 3084, Australia.

medRxiv : the preprint server for health sciences

|December 3, 2025

概括

基因分析在71%的焦点皮质发育不良 (FCD) 病例中发现了致病变体,揭示了耐药性的原因,并为FCD患者提供了精确治疗的指导.

科学领域:

神经科学是一个神经科学.
遗传学遗传学是一个
发展生物学发展生物学

背景情况:

焦点皮层发育不良症 (FCD) 是一种与难治焦点相关的发育性脑形.
准确的基因诊断对于理解FCD病因学和开发向治疗至关重要.
以前的遗传研究在识别FCD的致病变体方面取得了有限的成功.

研究的目的:

通过高深度测序来研究FCD的遗传情景.
在成人和儿科FCD手术组织中识别致病变体.
为了将遗传发现与临床表型和外科手术结果相关联.

主要方法:

来自28例FCD病例的病变组织的高深度测序.
滴滴数字PCR用于验证体质变异.
基因型-表型相关性分析.

主要成果:

在71% (20/28) 的FCD病例中检测到致病或可能致病的变体.
在50% (14/28) 的病例中发现了体质变异,FCDIIb (85%) 和FCDIIa (66%) mTOR路径变异的检测率高.
70%的随访患者在手术后取得了良好的发作结果 (Engel 1-2).

结论:

高深度测序显著增加了FCD的诊断产量,特别是FCDII亚型.
鉴定基因变异提供了病因学的洞察力,并支持开发药物耐药性的精密疗法.
基因诊断对于推进FCD研究和改善患者管理至关重要.

关键词:

发育不良症发育不良症是一种.的手术的手术伤口的伤口是一个伤口.马赛克主义的马赛克主义.测序的测序是指测序的测序.

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