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Sci Transl Med:中风提高患者心血管事件风险的原因

2018-03-19 药明康德 学术经纬

中风患者在中风之后发生次级心血管事件的风险显着提高。临床前模型表明中风之后动脉粥样硬化 (atherosclerosis) 的速度显着增加,但是造成血管炎症和硬化斑块形成加剧的原因并没有得到澄清。

中风患者在中风之后发生次级心血管事件的风险显着提高。临床前模型表明中风之后动脉粥样硬化 (atherosclerosis) 的速度显着增加,但是造成血管炎症和硬化斑块形成加剧的原因并没有得到澄清。德国慕尼黑大学附属医院 (Klinikum der Universitat München) 的研究人员通过对小鼠模型的研究,发现中风引发的大脑中HMGB1蛋白的释放和交感应激反应 (sympathetic stress response) 联合起来加剧动脉粥样硬化斑块的生成。而阻断HMGB1蛋白激发的信号通路或者β3肾上腺素受体能够减少导致血管炎症的单核细胞的激活和向血管侵袭。这项研究表明靶向这些信号通路可能在中风后降低次级心血管事件的风险。

原始出处:

Stefan Roth,et al.Brain-released alarmins and stress response synergize in accelerating atherosclerosis progression after stroke.Sci Transl Med.14 Mar 2018:Vol. 10, Issue 432, eaao1313.

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