在瑞典以人口为基础的研究中,循环ANGPTL3/8度与异原性脂蛋白形状和心血管疾病风险增加有关
Karin Leander1, Yan Q Chen2, Max Vikström1
1Institute of Environmental Medicine, Unit of Cardiovascular and Nutritional Epidemiology (K.L., M.V.), Karolinska Institutet, Stockholm, Sweden.
Arteriosclerosis, thrombosis, and vascular biology
|January 30, 2025
概括
增加的血管蛋白样蛋白3/8 (ANGPTL3/8) 复合体水平,而不是自由的ANGPTL3,与不健康的胆固醇概况有关. 这种ANGPTL3/8复合体与人类冠状动脉心脏病 (CHD) 的更高风险有关.
科学领域:
- 心血管科学 心血管科学
- 代谢研究研究 代谢研究
- 生物化学 生化学
背景情况:
- 与ANGPTL8结合的angiopoietin-like蛋白3 (ANGPTL3) 形成一个复合体 (ANGPTL3/8) 强烈抑制脂蛋白脂酶 (LPL).
- 这种ANGPTL3/8复合体被认为对调节循环脂蛋白水平和冠心病 (CHD) 风险至关重要.
研究的目的:
- 调查循环中的自由ANGPTL3和ANGPTL3/8复合体度与脂蛋白水平之间的关联.
- 评估这些蛋白质度与人类人群中心血管疾病风险之间的关系.
主要方法:
- 分析了来自瑞典两个基于人口的队列中的9479名个体的禁食血液样本.
- 测量ANGPTL3和ANGPTL3/8度,以及标准的脂质/脂质蛋白分析.
- 事件CHD数据是通过国家登记册收集的.
主要成果:
- ANGPTL3度与脂蛋白水平有轻微的积极关联,但与心脏病风险无关.
- ANGPTL3/8复合物的度与异位性脂蛋白 (较高的甘油三,LDL;较低的HDL) 形状有显著的关联.
- 升高的ANGPTL3/8水平与心脏病风险增加相关 (HR1.10每1 SD增加).
结论:
- 循环中的ANGPTL3/8复合体度增加与人类不良的脂蛋白样本有关.
- ANGPTL3/8复合体,而不是自由的ANGPTL3,与冠状动脉心脏病的风险增加有关.
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