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18 小时
科学家发现延胡索酸诱导的线粒体相关先天免疫反应新机制
研究人员首先建立了可诱导的小鼠模型,发现了FH的缺失能够引起明显的代谢变化,包括延胡索酸等代谢标志物的增加,以及干扰素刺激基因、促炎细胞因子、趋化因子的增加等炎症和先天免疫反应相关的通路改变。研究发现了肾脏FH的缺失触发了细胞自主的先天免疫反应,从而导致体内和体外干扰素刺激基因(ISG)的上调。进一步的研究表明,FH的缺失可诱导线粒体DNA(mtDNA)慢性释放到细胞质中,引发持续的炎症反应激活。
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