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Genome-wide Association Studies-GWAS01:11

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Genome-wide association studies or GWAS are used to identify whether common SNPs are associated with certain diseases. Suppose specific SNPs are more frequently observed in individuals with a particular disease than those without the disease. In that case, those SNPs are said to be associated with the disease. Chi-square analysis is performed to check the probability of the allele likely to be associated with the disease.
GWAS does not require the identification of the target gene involved in...
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确定了ALS:来自赞助的ALS遗传测试计划的两年发现

Stephen A Goutman1, Namita A Goyal2, Katelyn Payne3

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科学领域:

  • 神经学 神经学
  • 遗传学 是一个遗传学.
  • 医学诊断 医学诊断 医学诊断

背景情况:

  • 肌缩侧面硬化症 (ALS) 是一种进展性神经退行性疾病.
  • 遗传因素在ALS病因学中起着重要作用.
  • 基因检测 (GT) 对于诊断和了解疾病机制至关重要.

研究的目的:

  • 介绍来自于肌缩侧面硬化症 (ALS) 鉴定基因测试计划的初步发现.
  • 为了描述接受ALS遗传检测的个体.
  • 为了确定在测试人群中引起疾病的变异的频率.

主要方法:

  • 使用了Invitae氨基增生侧面硬化症小组,测试了22个与ALS相关的基因.
  • 该计划免费提供给美国和波多黎各18岁以上的个人,他们被诊断患有ALS或有家族病史.
  • 数据收集时间为2021年6月至2023年10月.

主要成果:

  • 近1000名医疗保健专业人员订购了该小组,超过8000人接受了测试.
  • 在7483名临床诊断为ALS患者中,24.2%的人具有遗传变异.
  • 在12.1%的临床诊断个体中发现了致病或可能致病的变体.

结论:

  • 该ALS识别计划显示了实质性的参与和持续使用.
  • 它代表了美国最大的遗传ALS测试队伍之一.
  • 该计划强调了对ALS患者基因检测的高需求和必要性.