在患有骨髓海绵脏的患者中进行外序列测序
Corentin Tournebize1,2,3, Thomas Robert4,5, Nadia Abid6
1Service de néphrologie, dialyse, exploration fonctionnelle rénale, Hôpital Edouard Herriot, Hospices Civils de Lyon.
概括
骨髓海绵 (MSK) 与结石病和囊性病中涉及的各种基因有关,这表明基因异质性. 这表明MSK可能是一个复杂的表型,具有多种遗传原因,而不是一个单独的实体.
科学领域:
- 腎臟病學 (nephrology) 是一種醫學.
- 医学遗传学 医学遗传学
背景情况:
- 骨髓海绵 (MSK) 是一种以管扩张为特征的疾病,通常与复发性结石病 (KSD) 相关.
- 确切的MSK的原因是未知的,但怀疑是遗传基础.
研究的目的:
- 在MSK患者中使用整体外体序列测序 (WES) 识别与尿病和囊性病相关的基因中的遗传变异.
- 调查MSK源于脏器官生成中涉及GDNF,RET或GFRα1基因的干扰的假设.
主要方法:
- 在42名MSK患者身上进行了整体外基因组测序 (WES).
- 用既定指南评估变异性致病性. 一个WES阳性群体是由相关基因中的致病或可能致病变体定义的.
- 在一个大型的法国患者WES数据库中分析了RET,GDNF和GFRα1的罕见变异.
主要成果:
- 十名患者 (WES阳性) 在九个基因中存在变异:IFT140,PRKCSH,PKHD1,SLC34A3,SLC34A1,SLC26A1,UMOD,COL4A3和MT-TL1.
- 在更大的WES数据集中,MSK和RET,GDNF或GFRα1的罕见变异之间没有发现联系,尽管确定了140个这样的变异.
结论:
- MSK与涉及结石病和/或囊性病的广泛基因有关,突出显示了其遗传异质性.
- 这些发现表明,MSK可能不是一个独立的实体,而是具有多基因起源的宏观表型.
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