循环氧化低密度脂蛋白与代谢综合征发生率之间的关联
Paul Holvoet1, Duk-Hee Lee, Michael Steffes
1Atherosclerosis and Metabolism Unit, Katholieke Universiteit Leuven, Belgium.
JAMA
|May 22, 2008
概括
较高的氧化低密度脂蛋白 (LDL) 水平与成年人患代谢综合征的风险更高有关. 这一发现突出了氧化LDL作为代谢综合征发病率的潜在生物标志物.
科学领域:
- 心血管研究研究心血管研究
- 代谢性疾病流行病学
- 脂质代谢 脂质代谢是什么
背景情况:
- 实验研究表明,氧化低密度脂蛋白 (LDL) 和代谢综合征之间存在联系.
- 然而,在这项研究之前,这种假设在人类群体中仍然未经测试.
研究的目的:
- 调查氧化LDL与代谢综合征发生率在一般社区之间的关联.
- 为了确定氧化LDL是否是代谢综合征发展的独立风险因素.
主要方法:
- 利用了冠状动脉风险发展在年轻成年人 (心脏) 研究的数据,以人口为基础的,前性观察队列.
- 包括1889名参与者 (基线年龄为18-30岁),在15岁和20岁时进行评估.
- 使用酶相关的免疫吸收剂测定和根据成人治疗小组III标准定义的代谢综合征测量氧化LDL.
主要成果:
- 12.9%的参与者在20岁时发展出事件代谢综合征.
- 较高的氧化LDL五分位数与发生代谢综合征的几率增加显著相关 (ORs从2.1到3.5).
- 氧化LDL也与腹部肥胖,高禁食葡萄糖和高甘油三蛋白的发病率增加有关,独立于传统的LDL胆固醇水平.
结论:
- 高度的氧化LDL与更高的代谢综合征发病率有关.
- 这些发现表明,氧化LDL可能是代谢综合征及其关键组成部分发展的重要因素.
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