在俄罗斯患有痴呆症的患者中,对阿尔茨海默病的多基因风险评分的评估,使用低密度凝寡核酸微阵列
Anna Ikonnikova1, Anna Morozova2,3, Olga Antonova1
1Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 119991 Moscow, Russia.
International journal of molecular sciences
|October 14, 2023
概括
多基因风险评分 (PRS) 和APOE-ɛ4是痴呆风险的关键遗传因素. 将PRS与APOE-ɛ4结合起来可以提高俄罗斯人群中阿尔茨海默病预测的准确性.
科学领域:
- 神经科学是一个神经科学.
- 遗传学 是一个遗传学.
- 流行病学 流行病学
背景情况:
- 阿尔茨海默病 (AD) 构成了全球重大健康挑战.
- 多基因风险评分 (PRS) 和APOE-ɛ4等位基因对AD风险预测有前途.
研究的目的:
- 在俄罗斯队列中验证痴呆症的多基因风险模型.
- 评估PRS和APOE-ɛ4对痴呆风险的联合预测能力.
主要方法:
- 开发了一种微阵列测定方法,以识别21种多基因风险标记物和APOE等位基因.
- 在348名痴呆症患者和519名对照人群中进行了病例控制研究.
- 在一组患者中分析了脑脊液 (CSF) 生物标志物 (粉胺-β,tau).
主要成果:
- 无论是PRS还是APOE-ɛ4都是痴呆症的重要遗传风险因素.
- 当调整为APOE-ɛ4.4时,较高的PRS四分位数增加了痴呆症风险 (OR 1.85,p=0.002).
- 与单独使用PRS (AUC 0.559) 相比,联合PRS和APOE-ɛ4模型提高了预测准确性 (AUC 0.604).
- PRS与CSF tau和粉样β水平相关,反映了APOE-ɛ4效应.
结论:
- 经过验证的PRS和APOE-ɛ4模型提高了俄罗斯人口痴呆症风险评估.
- 这种遗传风险评估策略可以帮助识别针对AD的初级预防干预措施的个体.
关键词:
在这里,APOEOE是APOE.阿尔茨海默氏症是阿尔茨海默氏症的一种疾病.痴呆症 痴呆症是一种痴呆症.遗传风险 遗传风险 遗传风险微阵列是微阵列中的一个.神经退行性疾病的神经退行性疾病多基因风险是多基因风险.更多相关视频
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