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- W3049140558 abstract "Background: Lipids have important structural roles in cell membranes and changes to these membrane lipids may influence β- and γ-secretase activities and thus contribute to Alzheimer’s disease (AD) pathology. Objective: To explore baseline plasma lipid profiling in participants with mild cognitive impairment (MCI) with and without AD pathology. Methods: We identified 261 plasma lipids using reversed-phase liquid chromatography/mass spectrometry in cerebrospinal fluid amyloid positive (Aβ+) or negative (Aβ–) participants with MCI as compared to controls. Additionally, we analyzed the potential associations of plasma lipid profiles with performance on neuropsychological tests at baseline and after two years. Results: Sphingomyelin (SM) concentrations, particularly, SM(d43:2), were lower in MCI Aβ+ individuals compared to controls. Further, SM(d43:2) was also nominally reduced in MCI Aβ+ individuals compared to MCI Aβ–. No plasma lipids were associated with performance on primary neuropsychological tests at baseline or between the two time points after correction for multiple testing. Conclusion: Reduced plasma concentrations of SM were associated with AD." @default.
- W3049140558 created "2020-08-21" @default.
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- W3049140558 date "2020-09-29" @default.
- W3049140558 modified "2023-09-23" @default.
- W3049140558 title "Exploration of Plasma Lipids in Mild Cognitive Impairment due to Alzheimer’s Disease" @default.
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- W3049140558 doi "https://doi.org/10.3233/jad-200441" @default.
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