动脉样硬化的免疫病原发生:内毒素在子中加速动脉样硬化,这些子接受高胆固醇血清饮食
H A Lehr1, T A Sagban, C Ihling
1Institute of Pathology, University of Mainz, Germany.
Circulation
|August 22, 2001
概括
天生的免疫系统的激活加速胆固醇诱导的动脉样硬化. 这一发现支持了动脉样硬化的免疫病理基础,表明感染可能不是主要的驱动因素.
科学领域:
- 免疫学 免疫学 免疫学
- 心血管科学 心血管科学
- 病理学 病理学 病理学
背景情况:
- 人们越来越认识到动脉样硬化有免疫病理学的基础.
- 天生的免疫系统激活在动脉样硬化进展中的作用需要进一步研究.
研究的目的:
- 调查先天免疫系统的激活是否影响胆固醇诱导的动脉样硬化的进展.
主要方法:
- 患有高胆固醇血的子被用内毒素 (脂多糖) 或金黄色葡萄球菌感染治疗.
- 用计算机辅助形态测量和大动脉损伤组织学来评估动脉样硬化的进展.
- 监测了关键的实验室参数,包括脂质概况.
主要成果:
- 与对照组相比,内毒素的使用在高胆固醇贫血的子中显著加快了动脉样硬化进展.
- 两组之间没有观察到LDL和HDL胆固醇水平的显著差异.
- 用内毒素治疗的动物在给药后经历过渡性发烧发作.
结论:
- 天生的免疫系统的非特定刺激会加剧胆固醇诱导的动脉样硬化.
- 这些发现支持了动脉样硬化的免疫病理学概念.
- 数据表明,单一的传染病原体不太可能是动脉样硬化开始或进展的唯一原因.
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