期刊
ALZHEIMERS & DEMENTIA
卷 16, 期 5, 页码 779-788出版社
WILEY
DOI: 10.1002/alz.12074
关键词
Alzheimer's disease; dementia; metabolomics; metabolites; nuclear magnetic resonance
资金
- National Key R&D Program of China [2017YFC0907500, 2017YFC0907000]
- International Science and Technology Cooperation Program of China [2014DFA32830]
- Key Research and Development Plans of Jiangsu Province, China [BE2016726]
- Science and Technology Commission of Shanghai Municipality, China [16JC1400501, 16JC1420502, 16JC1420100, 81773513, 81971013]
- China Postdoctoral Science Foundation [2019M661376]
- Scientific Research Plan Project of Shanghai Science and Technology Committee [17411950701, 17411950106]
- Shanghai Municipal Science and Technology Major Project [2018SHZDZX01]
Introduction: Metabolomics provide a promising tool to understand the pathogenesis and to identify novel biomarkers of dementia. This study aimed to determine circulating metabolites associated with incident dementia in a Chinese cohort, and whether a selected metabolite panel could predict dementia. Methods: Thirty-eight metabolites in baseline serum were profiled by nuclear magnetic resonance in 1440 dementia-free participants followed 5 years in the Shanghai Aging Study. Results: Higher serum levels of glutamine and O-acetyl-glycoproteins were associated with increased risk of dementia, whereas glutamate, tyrosine, acetate, glycine, and phenylalanine were negatively related to incident dementia. A panel of five metabolites selected by least absolute shrinkage and selection operator within cross-validation regression analysis could predict incident dementia with an area under the receiver-operating characteristic curve of 0.72. Discussion: We identified seven candidate serum metabolic biomarkers for dementia. These findings and the underlying biological mechanisms need to be further replicated and elucidated in future studies.
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