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Specific Nutritional Biomarker Profiles in Mild Cognitive Impairment and Subjective Cognitive Decline Are Associated With Clinical Progression: The NUDAD Project
Journal of the American Medical Directors Association ( IF 7.6 ) Pub Date : 2020-10-01 , DOI: 10.1016/j.jamda.2019.12.009
Francisca A de Leeuw 1 , Wiesje M van der Flier 2 , Betty M Tijms 1 , Philip Scheltens 1 , Vera M Mendes 3 , Bruno Manadas 3 , Jörgen Bierau 4 , Nick van Wijk 5 , Ellen G H M van den Heuvel 6 , M Hasan Mohajeri 7 , Charlotte E Teunissen 8 , Maartje I Kester 1
Affiliation  

OBJECTIVES Nutritional insufficiencies have been associated with cognitive impairment. Understanding whether nutritional biomarker levels are associated with clinical progression could help to design dietary intervention trials. This longitudinal study examined a panel of nutritional biomarkers in relation to clinical progression in patients with subjective cognitive decline (SCD) or mild cognitive impairment (MCI). DESIGN, SETTING AND PARTICIPANTS We included 299 patients without dementia (n = 149 SCD; age 61 ± 10 years, female 44%, n = 150 MCI; age 66 ± 8 years, female 38%). Median (interquartile range) follow-up was 3 (2-5) years. METHODS We measured 28 nutritional biomarkers in blood and 5 in cerebrospinal fluid (CSF), associated with 3 Alzheimer's disease pathologic processes: vascular change (lipids), synaptic dysfunction (homocysteine-related metabolites), and oxidative stress (minerals and vitamins). Nutritional biomarker associations with clinical progression to MCI/dementia and cognitive decline based on the Mini-Mental State Examination score were evaluated using Cox proportional hazard models and linear mixed models. We used partial least squares Cox models (PLS-Cox) to examine nutritional biomarker profiles associated with clinical progression. RESULTS In the total group, high high-density lipoprotein (HDL) levels were associated with clinical progression and cognitive decline. In SCD, high folate and low bilirubin levels were associated with cognitive decline. In MCI, low CSF S-adenosylmethionine (SAM) and high theobromine were associated with clinical progression to dementia and high HDL, cholesterol, iron, and 1,25(OH)2 vitamin D were associated with cognitive decline. PLS-Cox showed 1 profile for SCD, characterized by high betaine and folate and low zinc associated with clinical progression. In MCI, a profile with high theobromine and HDL and low triglycerides and a second profile with high plasma SAM and low cholesterol were associated with risk of dementia. CONCLUSION AND IMPLICATIONS High HDL was most consistently associated with clinical progression. Moreover, different nutritional biomarker profiles for SCD and MCI showed promising associations with clinical progression. Future dietary (intervention) studies could use nutritional biomarker profiles to select patients, taking into account the disease stage.

中文翻译:

轻度认知障碍和主观认知衰退的特定营养生物标志物特征与临床进展相关:NUDAD 项目

目的 营养不足与认知障碍有关。了解营养生物标志物水平是否与临床进展相关有助于设计饮食干预试验。这项纵向研究检查了一组与主观认知衰退 (SCD) 或轻度认知障碍 (MCI) 患者临床进展相关的营养生物标志物。设计、环境和参与者 我们纳入了 299 名无痴呆患者(n = 149 SCD;年龄 61 ± 10 岁,女性 44%,n = 150 MCI;年龄 66 ± 8 岁,女性 38%)。中位(四分位距)随访时间为 3 (2-5) 年。方法 我们测量了血液中的 28 种营养生物标志物和脑脊液 (CSF) 中的 5 种营养生物标志物,它们与 3 种阿尔茨海默病病理过程相关:血管变化(脂质)、突触功能障碍(同型半胱氨酸相关代谢物)和氧化应激(矿物质和维生素)。使用 Cox 比例风险模型和线性混合模型评估营养生物标志物与基于简易精神状态检查分数的临床进展为 MCI/痴呆和认知能力下降的关联。我们使用偏最小二乘 Cox 模型 (PLS-Cox) 来检查与临床进展相关的营养生物标志物概况。结果 在总组中,高密度脂蛋白 (HDL) 水平与临床进展和认知能力下降有关。在 SCD 中,高叶酸和低胆红素水平与认知能力下降有关。在 MCI 中,低 CSF S-腺苷甲硫氨酸 (SAM) 和高可可碱与临床进展为痴呆和高 HDL、胆固醇、铁和 1,25(OH)2 维生素 D 与认知能力下降有关。PLS-Cox 显示 SCD 的 1 个特征,其特征是甜菜碱和叶酸含量高,锌含量低,与临床进展相关。在 MCI 中,具有高可可碱和 HDL 以及低甘油三酯的特征以及具有高血浆 SAM 和低胆固醇的第二特征与痴呆风险相关。结论和意义 高 HDL 与临床进展最一致。此外,SCD 和 MCI 的不同营养生物标志物谱显示出与临床进展有希望的关联。未来的饮食(干预)研究可以使用营养生物标志物概况来选择患者,同时考虑到疾病阶段。其特点是甜菜碱和叶酸含量高,锌含量低,与临床进展相关。在 MCI 中,具有高可可碱和 HDL 以及低甘油三酯的特征以及具有高血浆 SAM 和低胆固醇的第二特征与痴呆风险相关。结论和意义 高 HDL 与临床进展最一致。此外,SCD 和 MCI 的不同营养生物标志物谱显示出与临床进展的良好关联。未来的饮食(干预)研究可以使用营养生物标志物概况来选择患者,同时考虑到疾病阶段。其特点是甜菜碱和叶酸含量高,锌含量低,与临床进展相关。在 MCI 中,具有高可可碱和 HDL 以及低甘油三酯的特征以及具有高血浆 SAM 和低胆固醇的第二特征与痴呆风险相关。结论和意义 高 HDL 与临床进展最一致。此外,SCD 和 MCI 的不同营养生物标志物谱显示出与临床进展的有希望的关联。未来的饮食(干预)研究可以使用营养生物标志物概况来选择患者,同时考虑到疾病阶段。结论和意义 高 HDL 与临床进展最一致。此外,SCD 和 MCI 的不同营养生物标志物谱显示出与临床进展的有希望的关联。未来的饮食(干预)研究可以使用营养生物标志物概况来选择患者,同时考虑到疾病阶段。结论和意义 高 HDL 与临床进展最一致。此外,SCD 和 MCI 的不同营养生物标志物谱显示出与临床进展有希望的关联。未来的饮食(干预)研究可以使用营养生物标志物概况来选择患者,同时考虑到疾病阶段。
更新日期:2020-10-01
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