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在子中的动脉样硬化回归期间,对血栓激素的抗凝剂反应得到增强
Steven R Lentz1, Francis J Miller, Donald J Piegors
1Veterans Affairs Medical Center, University of Iowa College of Medicine, Iowa City, Iowa 52242, USA. steven-lentz@uiowa.edu
Circulation
|August 15, 2002
概括
子中的动脉样硬化的饮食回归改善了对血栓的抗凝剂反应. 这表明,扭转动脉样硬化可以恢复正常的血液凝结机制.
科学领域:
- 心血管科学 心血管科学
- 血液学 血液学 血液学
- 营养科学 营养科学
背景情况:
- 非人类灵长类动物的饮食诱导动脉样硬化与异常抗凝剂对血栓的反应有关.
- 观察到的一个关键异常是活性蛋白C (APC) 的生成减少.
研究的目的:
- 为了调查抗凝剂对血栓的反应是否在动脉样硬化回归期间正常化.
- 为了确定饮食干预是否可以逆转与动脉样硬化相关的抗凝固药异常.
主要方法:
- 患有饮食引起的动脉样硬化症的Cynomolgus子被食回归饮食8个月.
- 血液样本分析了回归饮食前后的总胆固醇,LDL胆固醇,激活部分血栓形成时间 (APTT) 和激活蛋白C (APC) 水平.
- 动脉样硬化的对照组保持高脂肪饮食.
主要成果:
- 回归饮食显著降低了血清总胆固醇和LDL胆固醇水平.
- 作为对血栓素的反应,在回归饮食后,APTT显著增加,表明增强了抗凝血作用.
- 血APC水平的峰值也显著增加了回归后的饮食,这表明蛋白C激活得到了改善.
结论:
- 动脉样硬化的短期饮食回归导致体内增强的抗凝血剂对血栓的反应.
- 这些发现表明,动脉样硬化回归可以恢复正常的血栓激素介导抗凝路途径.
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