血N-甘氨酸签名与静脉血栓栓塞的第一个事件有关
Ruifang Li-Gao1, Marco R Bladergroen2, Frits R Rosendaal1
1Department of Clinical Epidemiology (R.L.-G., F.R.R., A.v.H.V.), Leiden University Medical Center, the Netherlands.
Arteriosclerosis, thrombosis, and vascular biology
|August 7, 2025
概括
血N-甘氨酸样本可以表明静脉血栓塞栓症 (VTE) 的风险. 特定的甘氨酸结构,如fucosylation,增加VTE风险,而其他,如寡甘类型的甘氨酸,减少它.
科学领域:
- 生物化学 生化学
- 葡萄糖生物学 葡萄糖生物学
- 血栓形成研究研究
背景情况:
- 凝血因子在静脉血栓塞栓症 (VTE) 病理生理学中至关重要.
- 大多数凝血因子都是葡萄糖蛋白,附有葡萄糖.
- 糖化和静脉瘤风险之间的联系在很大程度上尚未被探索.
研究的目的:
- 为了研究血N-甘氨酸与静脉瘤风险之间的关联.
- 确定特定的N-甘氨酸结构,可以作为VTE的生物标志物.
主要方法:
- 从MEGA研究中分析了491例VTE病例和472例对照中的血N-糖体.
- 使用质谱法量化91N-甘氨酸的量化.
- 调整了对混因子的后勤回归模型,以评估N-甘氨酸与VTE风险的关联.
主要成果:
- 复杂类型甘氨酸的基化和增加的甘氨酸分支与更高的VTE风险有关.
- 单抗性,双抗性复合型和寡甘类型的糖类与减少静脉瘤风险有关.
- 观察到的甘氨酸-VTE风险关联部分得到了与前凝因子的关系的支持.
结论:
- 血N-甘氨酸的特征与发展VTE的风险有关.
- 血N-糖体分析显示了潜在的VTE风险分层.
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