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在患有不明原因左心室缩 (LVH) 患者中诊断法布里病的困难:新型GLA基因突变是致病突变还是多态?

N Aladağ¹, H Ali Barman², A Şipal³

¹Van Yüzüncü yıl University, Faculty of Medicine, Department of Cardiology, Van, Turkey.

Balkan journal of medical genetics : BJMG

|August 14, 2023

概括

在患有无法解释的左心室缩 (LVH) 患者中,对法布里病 (FD) 的遗传查至关重要. 该研究在三名男性患者中发现了GLA基因突变,强调了早期FD诊断和治疗的重要性.

科学领域:

遗传学是一个遗传学.
心脏病学心脏病学
罕见疾病罕见疾病

背景情况:

费布里病 (FD) 是一种罕见的X链 lysosomal储存障碍.
FD的心脏表现包括左心室缩 (LVH),心律失常和心力衰竭.
早期诊断和治疗,如酶替代疗法,对于管理FD至关重要.

研究的目的:

在被诊断为无法解释的左心室缩 (LVH) 的患者中调查法布里病 (FD) 的患病率.
在30岁以上患有异常性LVH的患者中进行FD的基因分析.

主要方法:

对GLA基因的桑格序列分析对30岁以上的120名患有异常性LVH的患者进行.
排除标准包括严重的高血压,中度的大动脉狭窄,已知的FD,以及家族史上的自体主导性多变性心肌病.

主要成果:

在三名男性患者中发现了GLA基因突变.
检测到的突变是NM_000169.2:IVS6-10G>A (c.1000-10G>A),NM_000169.2:c.937G>T (p.D313Y),以及NM_000169.2:c.941A>T (p.K314M).这些突变是由于NM_000169.2:IVS6-10G>A (c.1000-10G>A),NM_000169.2:c.937G>T (p.D313Y) 和NM_000169.2:c.941A>T (p.K314M) 的突变而导致的.
在女性患者中没有报告任何突变.

结论:

在患有异常性LVH的患者中,FD的遗传查对于早期诊断和治疗很重要.
30岁以上无法解释的LVH患者应进行FD查.
识别新的多态性对于理解FD突变至关重要.

关键词:

费布里病 (Fabry Disease) 是一种疾病.这是一种GLA突变.无法解释的左心室高.多形态主义的多态主义.

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