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核因子-卡帕B连接体的可溶性受体激活剂和心血管疾病的风险
Stefan Kiechl1, Georg Schett, Judith Schwaiger
1Department of Neurology, Innsbruck Medical University, Anichstr 35, A-6020 Innsbruck, Austria. Stefan.Kiechl@i-med.ac.at
Circulation
|July 11, 2007
概括
核因子-kappaB连接体 (RANKL) 的可溶性受体激活剂升高预测心血管疾病风险. 这一发现支持RANKL在血管疾病中的作用,独立于动脉样硬化的严重程度.
科学领域:
- 心血管科学 心血管科学
- 免疫学 免疫学 免疫学
- 流行病学 流行病学
背景情况:
- 核因子-kappaB连接体 (RANKL) 的受体激活剂过度表达与脆弱的动脉样硬化病变有关.
- 假设RANKL驱动斑块的不稳定性,促进矩阵降解,单细胞/巨细胞化学反应和血管化.
研究的目的:
- 研究可溶性RANKL水平与心血管疾病 (CVD) 风险之间的关联.
- 确定RANKL是否能够预测血管风险,而不依赖于传统的风险因素和动脉样硬化严重程度.
主要方法:
- 在基线时 (1990年) 有909名参与者 (40-79岁) 的前性,基于人口的布鲁尼克研究.
- 在基线测量的血清溶解RANKL水平.
- 心血管疾病事件 (缺血性中风,TIA,心肌梗塞,血管死亡) 在1990年至2005年期间精心记录.
主要成果:
- 基线可溶性RANKL是血管风险的高度显著预测指标 (调整后HR为每单位增加1.27,P<0.001).
- 预测意义仍然独立于C-反应蛋白,骨质保护素和大脑动脉动脉样硬化的严重程度.
- 可溶性RANKL与大脑动脉或大腿动脉动脉样硬化没有关联.
结论:
- 大规模的流行病学数据支持RANKL在心血管疾病中的作用.
- 这些发现表明RANKL可能会促进斑块的不稳定和破裂,而不是直接导致动脉样硬化.
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