低出生体重与痴呆风险之间的关联:一项大规模前性研究
Xinyue Yu1,2,3, Qingping Xue1, Jingyi Li1,2
1Department of Epidemiology and Biostatistics, School of Public Health, Chengdu Medical College, Chengdu 610599, China.
概括
低出生体重增加了痴呆症的风险,包括阿尔茨海默病和血管痴呆症. 糖尿病和高血压等心脏代谢疾病可能会调解这种联系,并确定了特定的蛋白质通路.
科学领域:
- 神经科学是一个神经科学.
- 流行病学 流行病学
- 基因组学就是基因组学.
背景情况:
- 出生体重是早期生命发展的关键指标.
- 痴呆风险受到遗传和环境因素的复杂相互作用的影响.
- 了解早期痴呆的决定因素对于公共卫生至关重要.
研究的目的:
- 调查出生体重与痴呆风险之间的关联.
- 探索慢性疾病在这种关系中的调解作用.
- 使用大规模蛋白质组学识别生物通路.
主要方法:
- 利用了来自279,743名参与者 (40-69岁) 的英国生物库数据.
- 分类出生体重为低 (≤2500g),正常 (2500-3999g) 和宏观 (≥4000g).
- 使用多变量考克斯回归和蛋白质组学分析.
主要成果:
- 低出生体重与所有原因痴呆的风险增加有关 (HR 1.18),阿尔茨海默病 (HR 1.14) 和血管痴呆 (HR 1.22).
- 在出生体重和痴呆风险之间观察到显著的非线性关系.
- 心脏代谢性疾病 (糖尿病,中风,高血压,脂质失调症) 在低出生体重与痴呆症相关性中占6.3%-15.8%.
- 蛋白质组学确定了21种在病毒蛋白相互作用和细胞因子信号通路中丰富的蛋白质.
结论:
- 低出生体重是痴呆症的重要危险因素.
- 成年期中期的心脏代谢疾病可能会调解出生体重低和痴呆症之间的联系.
- 特定的蛋白质通路突出显示了与低出生体重与痴呆风险相关的生物机制.
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