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遗传风险因素APOE,TMEM106B和MAPT在肌缩侧面硬化症 (ALS) 和其他神经退行性疾病中表现出类似的患病率. 这些发现表明,这些特定的遗传标记可能与ALS风险没有独特的关联.

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科学领域:

  • 神经遗传学 神经遗传学
  • 神经退行性疾病 神经退行性疾病
  • 肌缩侧面硬化症 (ALS) 是一种疾病.

背景情况:

  • 已确定的神经退行性疾病风险因素包括Apolipoprotein E (APOE) 和TMEM106B基因型以及MAPT类型.
  • 关于这些因素与肌缩性侧面硬化症 (ALS) 的关联,存在相互矛盾的证据.

研究的目的:

  • 在ALS队列中系统分析APOE,TMEM106B和MAPT.
  • 为了比较它们的流行率和与疾病结局的关联,与更广泛的神经退行性队列进行比较.

主要方法:

  • 对来自NIH神经退行性疾病诊所的参与者的分析.
  • 针对特定的SNP (rs8070723,rs429358,rs7412,rs1990622) 进行全基因组测序和基因型定型,以确定APOE,TMEM106B和MAPT状态.

主要成果:

  • 初步分析包括34名参与者 (21%的ALS,79%的非ALS).
  • 在ALS和非ALS组之间,APOE e4,TMEM106B风险等位基因和MAPT H1单位基因的频率是相似的.
  • 没有观察到统计学上显著的差异,可能是由于样本规模较小.

结论:

  • 观察到的模式与已知的风险位置关联一致,尽管发现的结果并不显著.
  • 在ALS队列中,APOE e4遗传风险没有被丰富.
  • 在ALS和非ALS队列中,TMEM106B和MAPT H1亚型状况相似,未来的研究旨在增加样本大小.