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Updated: Sep 13, 2025

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脂蛋白 (a) [Lp(a) ] 基因多态序列变异及其蛋白质表达在静脉血栓栓塞 (VTE) 中的影响
Karan Happa1, Arshad A Pandith2, Umar H Khan3
1Department of Internal & Pulmonary Medicine, SK Institute of Medical Sciences(SKIMS), Soura, Srinagar, 190011, J&K, India.
Biochemistry and biophysics reports
|July 29, 2025
概括
这种Lp (a) 基因多态性+121G>A可以防止静脉血栓塞栓症 (VTE). 这种遗传变异与+93C>T变异或血清Lp(a) 水平不同,与减少VTE风险有关.
科学领域:
- 心血管遗传学 心血管遗传学
- 血栓形成研究研究
- 分子流行病学分子流行病学
背景情况:
- 静脉血栓塞栓症 (VTE) 是全球疾病和死亡的一个重要原因.
- 静脉瘤的负担正在增加,特别是在老龄化人口中.
- 影响VTE风险的遗传因素尚未完全理解.
研究的目的:
- 研究Lp (a) 基因多态性 (+93C>T和+121G>A) 与静脉瘤风险之间的关联.
- 检查血清脂蛋白水平和VTE之间的关系.
- 确定对VTE易感性的潜在遗传标志物.
主要方法:
- 对101例VTE病例和110例对照进行的病例控制研究.
- 使用PCR-RFLP进行基因型鉴定,用于Lp (a) 多态.
- 血清Lp (a) 量化通过ELISA和基因型-VTE风险关联的统计分析.
主要成果:
- +121G>A多态表现出对VTE的保护作用 (OR=0.41,p=0.002).
- 与对照人群相比,VTE病例中观察到血清Lp (a) 水平升高.
- +121G>A变异在对照组中更频繁,特别是在男性,吸烟者和BMI ≤25.5的个体中.
结论:
- Lp(a) 多态变异 +121G>A 在VTE病原发生过程中起到反向作用.
- +93C>T变异和血清Lp (a) 度并没有显著增加静脉瘤风险.
- 对Lp(a) 对VTE的潜在性别特异性影响需要进一步调查.
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