评估脂质代谢物在阿尔茨海默病中的因果作用：亡羊补牢式随机研究

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The Journal of Prevention of Alzheimer's Disease Pub Date : 2025-01-23 DOI:10.1016/j.tjpad.2025.100067

Haoxiang Hu, Jiesheng Mao, Yunhan Zhao, Yihan Zhang, Caixiang Zhuang, Jiang Hai He, Xiaokai Yang

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Assessing the causal role of lipid metabolites in Alzheimer's disease: A mendelian randomization study.

Background: The causal relationship between lipid metabolites and Alzheimer's disease (AD) remains unclear and contradictory. This study aimed to systematically assess the causal relationship between lipid metabolites and AD.

Methods: A two-step bidirectional Mendelian Randomization (MR) study was employed. The principal analytical technique used to evaluate causation was inverse variance weighting (IVW). Furthermore, mediation analysis was conducted to evaluate the possible function of lipidomes as mediators in the lipid-AD pathway.

Results: Among the 213 lipid metabolites analyzed, significant causal associations with AD were identified Cholesterol esters in large LDL(L-LDL-CE) (OR = 1.236, 95 %CI = 1.052-1.453, P = 0.010), Total cholesterol in large LDL(L-LDL-TC) (OR = 1.506, 95 %CI = 1.235-1.835, P < 0.001), Total cholesterol in medium LDL(M-LDL-TC) (OR = 1.378, 95 %CI = 1.132-1.677, P = 0.001). Mediation analysis further revealed ceramide (d42:2) and phosphatidylinositol (PI) (18:1_18:1) as potential mediators in this relationship.

Conclusion: The identification of specific lipid metabolites with causal effects on AD provides new insights into AD pathogenesis and highlights potential targets for preventive strategies.

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来源期刊

The Journal of Prevention of Alzheimer's Disease Medicine-Psychiatry and Mental Health

CiteScore

9.20

自引率

0.00%

发文量

期刊介绍： The JPAD Journal of Prevention of Alzheimer’Disease will publish reviews, original research articles and short reports to improve our knowledge in the field of Alzheimer prevention including: neurosciences, biomarkers, imaging, epidemiology, public health, physical cognitive exercise, nutrition, risk and protective factors, drug development, trials design, and heath economic outcomes.JPAD will publish also the meeting abstracts from Clinical Trial on Alzheimer Disease (CTAD) and will be distributed both in paper and online version worldwide.We hope that JPAD with your contribution will play a role in the development of Alzheimer prevention.