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在非综合征性口腔口腔裂 (NSOFC) 患者中,四种潜在的致病性ARHGAP29变异
Peyman Ranji1, Eleonore Pairet1, Raphael Helaers1
1Human Molecular Genetics, de Duve Institute, University of Louvain, Brussels, Belgium.
European journal of human genetics : EJHG
|November 6, 2024
概括
ARHGAP29基因中的遗传变异与非综合征性口腔口腔裂 (NsOFC) 有关. 这项研究确定了四种新的ARHGAP29变异,表明其在NsOFC开发中的重要性,并建议将其纳入遗传测试中.
科学领域:
- 遗传学 遗传学 是一个
- 发展生物学 发展生物学
- 人类疾病 人类疾病
背景情况:
- 非综合征性口腔裂 (NSOFC) 的遗传基础在很大程度上是未知的.
- 外体序列测定已经确定了与NsOFC相关的几种基因,通常表现出减少透率.
研究的目的:
- 为了研究ARHGAP29基因在NsOFC患者队列中的作用.
- 识别与 NsOFC 现型相关的 ARHGAP29 新型致病变体.
主要方法:
- 在224名缺乏已识别的遗传变异的NSOFC患者身上进行了exome测序 (ES).
- 生物信息过被用于识别ARHGAP29.29.中的假定致病变体.
- 使用人口数据库和失耐性得分 (pLI) 评估了变异性致病性.
主要成果:
- 在四个家族中,在ARHGAP29中发现了四种新的假定致病变体.
- 这些变体包括误解,移和无意义突变,预计会导致功能丧失.
- 在对照群体中,ARHGAP29变异不存在或很少见,该基因具有高的pLI得分 (1.0).
- 观察到的表型范围从微型裂唇到完全的双边裂唇和 palates,具有高透度 (89%).
结论:
- ARHGAP29是一种与可变的NsOFC表型相关的重要基因.
- 在研究的NsOFC队列中,大约4%的ARHGAP29变体被发现.
- 应该将ARHGAP29纳入NSOFC的诊断基因测试小组,特别是在家族病例中.
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