准TWEAK-Fn14通路可以防止急性损伤后心脏处理功能障碍
Jonay Poveda1, Laura González-Lafuente1, Sara Vázquez-Sánchez1
1Cardiorenal Translational Laboratory, Institute of Research Imas12, Hospital Universitario 12 de Octubre, Madrid, Spain.
The Journal of pathology
|September 30, 2023
概括
瘤亡因子类弱诱导细胞亡 (TWEAK) 是急性损伤 (AKI) 患者死亡率的生物标志物. 准TWEAK-Fn14通路可以改善心脏功能和在3型心综合征中处理.
科学领域:
- 心血管医学 心血管医学
- 腎臟病學 (nephrology) 是一種醫學專業.
- 分子生物学分子生物学
背景情况:
- 3型心脏病综合征 (CRS3) 将急性损伤 (AKI) 与心血管事件联系起来,但潜在的心脏机制尚不清楚.
- 瘤亡因子类弱诱导细胞亡 (TWEAK) 和它的受体Fn14与心脏和功能衰竭有关.
- TWEAK是一种潜在的治疗点,但它在AKI引起的心脏损伤中的作用需要阐明.
研究的目的:
- 研究TWEAK-Fn14轴在与CRS3.3相关的心脏功能障碍中的作用.
- 确定TWEAK血水平是否预测AKI患者的死亡率.
- 在CRS3.3中澄清TWEAK对心肌细胞处理和心脏结果的影响.
主要方法:
- 在AKI患者中,可溶性TWEAK血水平的回顾性分析.
- 在体外研究TWEAK对心室心肌细胞的影响.
- 缺血-再输液 (I/R) 损伤的体内小鼠模型,以评估TWEAK-Fn14在心脏中的信号传递.
- 对心肌细胞处理和SERCA2a/RyR2功能的评估.
- 在小鼠模型中用抗TWEAK抗体进行治疗.
主要成果:
- 增加可溶性TWEAK血水平预测了AKI患者的死亡率.
- 外源性TWEAK诱导心肌细胞中的处理变化.
- 在AKI小鼠的心脏中,TWEAK-Fn14信号被激活,导致处理受损和心律失常的事件.
- 反TWEAK抗体治疗改善了心脏功能障碍,循环异常,并预防了SERCA2a/RyR2修饰.
结论:
- 在CRS3.3.中,TWEAK-Fn14通路对心脏功能障碍至关重要.
- 在AKI中,TWEAK作为死亡生物标志物,并诱导心肌细胞对的错误处理.
- 针对TWEAK在CRS3.3中提供了心脏保护性益处.
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