Mitochondrial pathway polygenic risk scores are associated with Alzheimer's Disease

Mitochondrial pathway polygenic risk scores are associated with Alzheimer's Disease
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线粒体途径多基因风险评分与阿尔茨海默病相关

DOI:
10.1101/2020.11.06.371286
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发表时间:
2020
影响因子:
4.2
通讯作者:
S. Andrews
S. Andrews
中科院分区:
医学2区
文献类型:
--
作者:
Devashi Paliwal;Tim W. McInerney;J. Pa;R. Swerdlow;S. Easteal;S. Andrews

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基因,动物和流行病学研究,涉及生物分子和临床内表型牵连线粒体功能障碍阿尔茨海默病(AD)的发病机制。多基因风险评分(PRS)提供了一种新的方法来评估生物学途径相关的疾病风险,结合在多个,功能相关的基因变异的影响。方法:我们调查了854名阿尔茨海默病神经影像学倡议参与者中与AD相关的12条线粒体通路(通路-PRS)相关基因的PRS相关性。结果四种线粒体途径的PRS途径与AD风险增加显著相关:(i)对氧化应激的反应(OR:2.01 [95% CI:1.71,2.37]);(ii)线粒体转运(OR:1.81 [95% Cl:1.55,2.13]);(iii)标志性氧化磷酸化(OR:1.23 [95%Cl:1.07,1.41]);和(iv)线粒体膜电位调节(OR:1.18 [95%Cl:1.03,1.36])。讨论针对这些途径的治疗方法可能有可能改变AD的发病机制。需要进一步的调查,以建立一个因果关系的作用,这些途径在AD病理。
INTRODUCTION Genetic, animal and epidemiological studies involving biomolecular and clinical endophenotypes implicate mitochondrial dysfunction in Alzheimer’s disease (AD) pathogenesis. Polygenic risk scores (PRS) provide a novel approach to assess biological pathway-associated disease risk by combining the effects of variation at multiple, functionally related genes. METHODS We investigated associations of PRS for genes involved in 12 mitochondrial pathways (pathway-PRS) related to AD in 854 participants from Alzheimer’s Disease Neuroimaging Initiative. RESULTS Pathway-PRS for four mitochondrial pathways are significantly associated with increased AD risk: (i) response to oxidative stress (OR: 2.01 [95% Cl: 1.71, 2.37]); (ii) mitochondrial transport (OR: 1.81 [95% Cl: 1.55, 2.13]); (iii) hallmark oxidative phosphorylation (OR: 1.23 [95% Cl: 1.07, 1.41]); and (iv) mitochondrial membrane potential regulation (OR: 1.18 [95% Cl: 1.03, 1.36]). DISCUSSION Therapeutic approaches targeting these pathways may have potential for modifying AD pathogenesis. Further investigation is required to establish a causal role for these pathways in AD pathology.
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发表时间: 2004-06-15
影响因子: 3.5
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