儿童运动语音障碍:在基因检测中优先考虑谁?
Halianna Van Niel1, Mariana Lauretta1,2, Emma Baker1,2
1Speech and Language, Genomics Theme, Murdoch Children's Research Institute, Parkville, Melbourne, VIC, Australia.
European journal of human genetics : EJHG
|January 13, 2026
概括
患有运动语言障碍的儿童的基因检测,包括童年语音失调 (CAS) 和失声症,显示出显著的诊断收益率. 像走路延迟和运动障碍这样的条件预测了遗传诊断,支持常规基因组测试.
科学领域:
- 遗传学 是一个遗传学.
- 儿科 儿科 儿科
- 语音语言病理学 语言病理学
背景情况:
- 儿童运动言语障碍,包括失联症和无动力症,人们对其病因了解甚少.
- 以前的研究表明,这些罕见而严重的语言障碍中存在遗传因素.
- 没有先前的研究已经评估了基因诊断收益率在临床环境中儿童语音失调 (CAS) 和失节症.
研究的目的:
- 在临床环境中调查运动语言障碍的遗传诊断产量.
- 确定可预测运动语言障碍儿童遗传诊断的变量.
- 将运动语言障碍的遗传诊断产量与和脑等疾病进行比较.
主要方法:
- 一组153名患有运动语言障碍的儿童接受了临床遗传学家和语言病理学家的评估.
- 基因组测试包括染色体微阵列,脆弱X测试和外基因组测序.
- 使用几率比率的统计分析确定了基因诊断的预测因素.
主要成果:
- 在44/153名儿童中观察到29%的致病变体诊断收益率,包括新变体.
- 遗传诊断的预测因素包括走路延迟,运动缺陷,感受性语言/认知障碍和形态障碍.
- 与脱节性关节炎相结合的CAS显示出比单独的CAS更高的遗传产量;自闭症谱系障碍与遗传发现的关联较小.
结论:
- 运动语言障碍的临床遗传诊断收益率与和脑相当.
- 基因组测试应被认为是运动语言障碍儿童的常规测试,特别是那些同时出现缺陷的儿童.
- 建议在基因组测试中优先考虑患有运动语言障碍和相关运动,语言或学习障碍的儿童.
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