脂蛋白 (一个). 早期冠状动脉心脏病的一个遗传风险因素
1Department of Medicine, University of Chicago, IL 60637.
JAMA
|June 24, 1992
概括
高水平的脂蛋白 (Lp[a]) 会增加心血管疾病的风险. 目前的策略集中在管理可修改的风险因素,如饮食,运动和药物治疗,因为有效的Lp (a) 降低治疗方法仍在开发中.
科学领域:
- 心血管科学 心血管科学
- 生物化学 生物化学
- 遗传学 遗传学 是一个
背景情况:
- 脂质蛋白 (Lp[a]) 是由阿波利波蛋白B-100组成的粒子,与阿波利波蛋白联系在一起.
- Lp[a]表现出多态性,这是由于由基因等位基因控制的apolipoprotein (a) 大小的变化造成的.
- 升高的Lp[a]水平与动血栓性心血管疾病风险增加有关,尽管确切的机制尚不清楚.
研究的目的:
- 定义脂蛋白 (Lp[a]) 结构及其与心血管风险的关系.
- 探索动脉内心Lp (a) 的潜在致病机制.
- 审查目前管理高Lp[a]水平的战略.
主要方法:
- 文献综述和对Lp的现有研究的综合.
- 分析Lp (a) 的结构,多态性和与心血管疾病的关联.
- 评估当前和潜在的治疗干预措施.
主要成果:
- Lp[a] 结构涉及阿波利波蛋白B-100和阿波利波蛋白(a),尺寸变化影响其存在.
- 修改后的Lp (a) 颗粒可能会在内皮穿越后导致病原性.
- 目前没有普遍接受的方法有效降低高Lp[a]血水平.
结论:
- 高Lp[a]是心血管疾病的重要危险因素.
- 管理可修改的风险因素 (饮食,运动,药物) 是当前的主要方法.
- 对于有效的Lp降低疗法,需要进一步的研究.
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