模仿IL-6抑制的IL6遗传乱与心脏代谢风险较低有关
Lanyue Zhang1, Murad Omarov1, Lingling Xu1
1Institute for Stroke and Dementia Research, LMU University Hospital, LMU Munich, Munich, Germany.
Nature cardiovascular research
|August 26, 2025
概括
人类遗传学研究表明,IL-6信号有助于心血管疾病. 抑制IL-6可能会降低冠状动脉疾病和中风的风险,但没有显著的安全问题.
科学领域:
- 遗传学
- 心血管疾病
- 免疫学
背景情况:
- 人类遗传学涉及动脉硬化心血管疾病 (ASCVD) 的IL-6信号.
- 现有的基因研究主要集中在IL-6受体 (IL6R) 变体上,而目前的治疗直接针对IL-6.
- 这种差异引发了关于基因发现可转化为针对IL-6的新疗法的问题.
研究的目的:
- 使用IL6位点变种开发IL-6信号下调的遗传仪器.
- 预测IL-6抑制对心脏代谢和安全结果的影响.
- 评估IL-6抑制对心血管的益处和安全性.
主要方法:
- 开发基于IL6位点变体的基因仪器,模仿抗IL6抗体效应.
- 使用该仪器分析与心脏代谢和安全终点的关联.
- 对欧洲和东亚祖先的影响进行了研究.
主要成果:
- 通过IL6干扰的基因下调IL-6信号与冠状动脉疾病,外周动脉疾病和缺血性动脉样性中风的终身风险降低有关.
- 这些关联在欧洲和东亚血统的个体中被观察到.
- 与与感染相关的IL6R变种不同,IL6仪器显示肺炎住院风险较低,这表明其安全性较好.
结论:
- 基因证据支持的IL-6抑制可以有效降低心血管风险.
- 针对IL-6,而不是它的受体,似乎提供了心血管的好处,而没有重大意外的安全问题,例如感染风险增加.
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