摘要
背景:越来越多的证据表明,饮食因素与老年人的阿尔茨海默病、认知和脑健康有关。然而,炎症是否能解释这个协会。 目的:探讨炎症相关营养模式(INP)是否与脑健康的神经影像学和认知功能有关。 方法:目前的横断面研究包括330名非精神错乱的老年人(平均79岁,核磁共振扫描),他们参加了一项基于多种族、基于社区的队列研究,他们掌握了营养方面的信息。Nal摄入量(从食物频率问卷中估计),循环C反应蛋白和白细胞介素6(ELISA测定),MRI扫描和认知。食物和血液样本被收集。在磁共振成像和认知测试访问之前的5.3年。我们采用降阶回归模型,根据24种营养素与CRP和白细胞介素-6的关系,推导出INP。我们检查了屁股用年龄、性别、种族/族裔、受教育程度、卡路里摄入量、APOE基因型、体重指数和血管负担调整的回归模型对INP与大脑和认知测量的关系脑MRI测量的颅内体积。 结果:InP的特点是低摄入量(装船<0.15)钙、维生素(D,E,A,B1,B2,B3、B5、B6),叶酸,Ω- 3多不饱和脂肪酸、高胆固醇摄入(>0.15)胆固醇。根据设计,该磷化铟与CRP(皮尔森r=0.25 p=0.005)和白细胞介素-6呈正相关(r=0.30,p<0.0001)。InP中每增加一个单位为36.8 cm3相关(P = 0.023)小r脑总体积和0.21(p=0.038)较低的视觉空间z评分。中介分析表明,tgmv(b=0.002,p=0.003)与视觉空间认知功能相关,具有一定的意义。通过中介效应(TGMV蚂蚁间接影响:-0.049,95%可信区间:-0.1121 ~ - 0.0131)InP和视觉空间认知评分的关系。 结论:在老年人中,具有较高炎症潜能的饮食与不太有利的大脑和认知健康有关。
关键词: 饮食,营养,炎症,C-反应蛋白,白细胞介素-6,神经影像学,认知。
Current Alzheimer Research
Title:An Inflammation-related Nutrient Pattern is Associated with Both Brain and Cognitive Measures in a Multiethnic Elderly Population
Volume: 15 Issue: 5
关键词: 饮食,营养,炎症,C-反应蛋白,白细胞介素-6,神经影像学,认知。
摘要: Background: Accumulating evidence suggests that dietary factors are associated with Alzheimer's disease, cognition, and brain health in older adults. It is however unclear whether inflammation explains this association.
Objective: To examine whether an inflammation-related nutrient pattern (INP) was associated with neuroimaging and cognitive measures of brain health.
Method: The current cross-sectional study included 330 non-demented elderly (mean age 79 years at MRI scan) participants in a multi-ethnic, community-based cohort study who had information on nutritional intake (estimated from food frequency questionnaire), circulating C-reactive protein and interleukin- 6 (measured by ELISA), MRI scans, and cognition. Diet and blood samples were collected approximately 5.3 years prior to the MRI and cognitive test visit. We used a reduced rank regression model to derive an INP based on 24 nutrients' relationship with CRP and interleukin-6. We examined the association of the INP with brain and cognitive measures using regression models adjusted for age, sex, race/ethnicity, education, caloric intake, APOE genotype, body mass index, and vascular burden, as well as intracranial volume for the brain MRI measures.
Results: The INP was characterized by low intake (effect loading <-0.15) of calcium, vitamins (D, E, A, B1, B2, B3, B5, B6), folate, Ω-3 poly-unsaturated fatty acids, and high intake (>0.15) of cholesterol. As designed, this INP was positively correlated with CRP (Pearson's r=0.25 p=0.005) and interleukin-6 (r=0.30, p<0.0001). Each unit increase in INP was associated with 36.8 cm3 (p=0.023) smaller total brain volume and 0.21 (p=0.038) lower visuospatial z-score. Mediation analysis showed that TGMV (b=0.002, p=0.003) was associated with visuospatial cognitive function, and there was a significant mediation effect by TGMV (indirect effect: -0.049, 95% CI: -0.1121 ~ -0.0131) for the association between INP and visuospatial cognitive score.
Conclusions: Among older adults, a diet with high inflammatory potential is associated with less favorable brain and cognitive health.
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Cite this article as:
An Inflammation-related Nutrient Pattern is Associated with Both Brain and Cognitive Measures in a Multiethnic Elderly Population, Current Alzheimer Research 2018; 15 (5) . https://dx.doi.org/10.2174/1567205015666180101145619
DOI https://dx.doi.org/10.2174/1567205015666180101145619 |
Print ISSN 1567-2050 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5828 |
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