循环代谢物和发病痴呆的风险:一个前性队列研究
Shu-Yi Huang1, Ya-Ru Zhang1, Liu Yang1
1Department of Neurology and National Center for Neurological Disorders, Huashan Hospital, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Shanghai Medical College, Fudan University, Shanghai, China.
Journal of neurochemistry
|November 1, 2023
概括
这项研究确定了特定的循环代谢物,包括大低密度脂蛋白 (L-LDL-C%) 中的胆固醇百分比和L-LDL (L-LDL-CE%) 中的胆固醇与总脂质比率,这与阿尔茨海默病风险降低和大脑体积改善有关. 这些发现可能会为未来的痴呆症干预提供信息.
科学领域:
- 代谢学和神经退行性疾病
- 发现痴呆症的生物标志物
- 心血管风险因素和大脑健康
背景情况:
- 了解痴呆症的发病性需要识别与认知衰退和大脑结构相关的循环代谢物.
- 以前的研究还没有完全阐明与不同痴呆症亚型及其神经病理相关的特定代谢特征.
研究的目的:
- 在大型队列中识别与发生性痴呆,阿尔茨海默病 (AD) 和血管痴呆 (VD) 相关的血代谢物.
- 研究与痴呆相关的代谢物与认知功能和大脑体积的关联.
主要方法:
- 一项大型的英国生物库队列研究 (N=87,885) 随访时间中位数为9.1年.
- 核磁共振光谱法用于测量249种血代谢物.
- 考克斯比例回归,逻辑回归和线性回归被用来分析与事件痴呆,AD,VD,认知缺陷和大脑体积的关联.
主要成果:
- 26种代谢物与发生性痴呆相关,包括脂蛋白,脂肪酸,体,葡萄糖和氨酸的部分.
- 大低密度脂蛋白 (L-LDL-C%) 中的胆固醇百分比和L-LDL (L-LDL-CE%) 中的胆固醇与总脂质比率与较低的AD风险,认知缺陷和大脑体积增加有关.
- 小高密度脂蛋白 (S-HDL-CE) 中的胆固醇与静脉疾病风险降低有关.
结论:
- 循环中的L-LDL-C%和L-LDL-CE%与AD风险和表型密切相关,这表明它可能在AD病变发生过程中发挥作用.
- S-HDL-CE可能是静脉疾病风险的潜在生物标志物.
- 这些已识别的代谢物为未来的干预策略提供了有希望的目标,并要求对其潜在的分子机制进行进一步的研究.
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