中年和老年人的慢性低级炎症和大脑结构
Yujia Bao1, Xixi Chen1, Yongxuan Li1
1School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China.
Nutrients
|July 27, 2024
概括
低度炎症 (LGI) 显著缩小了脑部的区域,如体和胰岛,特别是在城市男性和脆弱的个体. 这一发现突出了炎症.
科学领域:
- 神经科学是一个神经科学.
- 老年学是一门学科.
- 公共卫生 公共卫生
背景情况:
- 低度炎症 (LGI) 将肥胖和饮食与慢性疾病联系在一起,包括神经精神疾病.
- 关于LGI对大脑结构的影响的证据有限,特别是在加速衰老方面.
研究的目的:
- 为了研究LGI和脑成像表型之间的纵向关系.
- 确定受LGI影响的特定大脑区域,并探索与共变量的交互效应.
主要方法:
- 利用了来自37,699名英国生物库参与者的数据.
- 使用炎症评分 (INFLA-score) 来量化LGI.
- 应用多重线性回归模型来分析与脑成像表型的关联.
主要成果:
- 较高的INFLA得分与下皮层和皮层体积的减少相关.
- 观察到的显著减少在球,乳头,胰岛,上圈和侧轨道前皮层.
- 影响在城市居民,男性和身体虚弱的个体中更为明显.
结论:
- LGI与大脑结构体积的显著减少有关.
- 研究结果提供了关于与年龄相关的大脑变化和疾病进展的见解.
- 确定在老年友好型城市进行干预的潜在目标,以促进健康和福祉.
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