内表型
青光眼
阿尔茨海默病
孟德尔随机化
神经科学
疾病
心理学
医学
病理
认知
生物
基因型
遗传学
基因
遗传变异
作者
Jiawei Chen,Xiaoyu Zhou,Xiang‐Ling Yuan,Jiahao Xu,Xinyue Zhang,Xuanchu Duan
标识
DOI:10.1093/cercor/bhae385
摘要
Abstract Glaucoma and Alzheimer’s disease are critical degenerative neuropathies with global impact. Previous studies have indicated that glaucomatous damage could extend beyond ocular structures, leading to brain alterations potentially associated with Alzheimer’s disease risk. This study aimed to explore the causal associations among glaucoma, brain alterations, and Alzheimer’s disease. We conducted a comprehensive investigation into the genetic correlation and causality between glaucoma, glaucoma endophenotypes, cerebral cortical surficial area and thickness, and Alzheimer’s disease (including late-onset Alzheimer’s disease, cognitive performance, and reaction time) using linkage disequilibrium score regression and Mendelian randomization. This study showed suggestive genetic correlations between glaucoma, cortical structures, and Alzheimer’s disease. The genetically predicted all-caused glaucoma was nominally associated with a decreased risk of Alzheimer’s disease (OR = 0.96, 95% CI: 0.93–0.99, P = 0.013). We found evidence for suggestive causality between glaucoma (endophenotypes) and 20 cortical regions and between 29 cortical regions and Alzheimer’s disease (endophenotypes). Four cortical regions were causally associated with cognitive performance or reaction time at a significant threshold (P < 6.2E-04). Thirteen shared cortical regions between glaucoma (endophenotypes) and Alzheimer’s disease (endophenotypes) were identified. Our findings complex causal relationships among glaucoma, cerebral cortical structures, and Alzheimer’s disease. More studies are required to clarify the mediation effect of cortical alterations in the relationship between glaucoma and Alzheimer’s disease.
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