饮食中的蛋白质摄入量和来源之间的关联以及大脑结构长度变化的速度
Fusheng Cui1, Huihui Li1, Yi Cao2
1Department of Epidemiology and Health Statistics, Public Health College, Qingdao University, Qingdao 266021, China.
Nutrients
|May 11, 2024
概括
较高的动物蛋白摄入量,特别是来自海鲜,与较慢的海马体积损失有关. 这项研究强调了特定饮食蛋白质来源的神经保护潜力.
科学领域:
- 神经科学是一个神经科学.
- 营养科学 营养科学
- 老年学是指老年学的学科.
背景情况:
- 饮食中的蛋白质摄入量和来源对纵向大脑结构变化的综合影响的研究有限.
- 了解这些关系对于开发针对大脑健康的营养策略至关重要.
研究的目的:
- 研究饮食中的蛋白质摄入量,蛋白质来源和大脑结构标记物变化速率之间的关联.
- 为了确定特定的蛋白质来源,如动物与植物蛋白或海鲜,随着时间的推移影响大脑结构.
主要方法:
- 利用了来自英国生物库的2723名和2679名参与者的数据,其中两波大脑成像数据大约在三年间隔收集.
- 通过使用24小时的饮食回忆问卷来评估饮食中的蛋白质摄入量.
- 多重线性回归和限制性立方线被用来分析蛋白质摄入量与大脑生物标志物的纵向变化之间的关联,包括海马总体体积 (THV),左海马体积 (LHV) 和右海马体积 (RHV).
主要成果:
- 动物蛋白摄入量的比例增加与THV,LHV和RHV的缓慢降低有关.
- 与植物蛋白相比,动物蛋白的相对摄入量较高与THV,LHV和RHV的缩率较低相关.
- 较高的海鲜摄入量与THV和RHV的纵向变化率更大有关.
结论:
- 饮食中动物蛋白质的适度增加,特别是来自海鲜的增加,与随着时间的推移保持海马体积有关.
- 这些发现表明,饮食中的蛋白质来源在缓解与年龄相关的大脑结构衰退方面发挥着重要作用.
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