两种PI4KA的小说变体在一个家族呈现与遗传性性:一个案例报告
Jevin M Parmar1, Elyshia L McNamara1, Phillipa J Lamont1
1From the Rare Disease Genetics and Functional Genomics Group (J.M.P., E.L.M., A.R., G.R.), Centre for Medical Research, University of Western Australia; Harry Perkins Institute of Medical Research (J.M.P., E.L.M., A.R., G.R.), Nedlands; Royal Perth Hospital (P.J.L.); Sydney Medical School (K.R.K., P.L.C.), Faculty of Medicine and Health, University of Sydney, Camperdown; Garvan Institute of Medical Research (K.R.K.), Darlinghurst; Molecular Medicine Laboratory (K.R.K., M.S., P.L.C.), Concord Repatriation General Hospital, NSW Health Pathology; Department of Neurology (K.R.K.), Concord Repatriation General Hospital; and School of Medical Sciences (M.S.), University of Sydney, Camperdown, Australia.
在两位患有遗传性性帕帕雷雷斯症的姐妹中,发现了新的双基因酸4-酶α (PI4KA) 基因变异. 这些发现扩大了与PI4KA相关的疾病谱.
科学领域:
- 遗传学 是一个遗传学.
- 神经学 神经学
背景情况:
- 遗传性性 (HSP) 包含一组遗传性疾病.
- 酸丁醇4-酶α (PI4KA) 基因的突变与神经疾病有关.
研究的目的:
- 为了确定一个家庭的遗传变异,无法解释的纯遗传性性.
- 为了描述新的PI4KA变体.
主要方法:
- 两位受影响的姐妹的临床和成像评估.
- 用于基因分析的下一代测序 (NGS).
- 使用ACMG指南对变种进行分类.
主要成果:
- 在PI4KA中,NGS发现了复合异构体变体 (NM_058004.4:c.[3883C>A];[5785A>C];p.[(His1295Asn);(Thr1929Pro) ]).
- 两种PI4KA变种都被归类为可能致病的.
- 在遗传性性的背景下,这些变体是新的.
结论:
- 这项研究报告了两个新型的,可能是致病性PI4KA变体在一个纯HSP的家族.
- 这些发现扩大了已知的PI4KA相关疾病的表型谱.
- 鉴定的变种为尚未解决的HSP病例提供了新的诊断目标.
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