低细胞外囊泡度预测心力衰竭患者的存活率
David Schöler1, Sven H Loosen1, Theresa H Wirtz2
1Clinic for Gastroenterology, Hepatology and Infectious Diseases, University Hospital Düsseldorf, Medical Faculty of Heinrich Heine University Düsseldorf, Düsseldorf, Germany.
Frontiers in cardiovascular medicine
|June 9, 2023
概括
细胞外囊泡 (EV) 度是心脏病患者的新预后标志物. 较低的EV度与显著降低的整体存活率有关,这突出了它们在预测患者结果方面的重要性.
科学领域:
- 心脏病学 心脏病学
- 生物标志物 生物标志物
- 细胞外囊泡 细胞外囊泡
背景情况:
- 心脏病对全球健康构成重大挑战,因患病率和死亡率高而显著.
- 细胞外囊泡 (EVs) 在肝癌等疾病中的诊断和预后生物标志物中表现有前途.
- 在心脏病中EVs的预后相关性仍然在很大程度上未被探索.
研究的目的:
- 研究心脏病患者细胞外囊泡 (EV) 度,大小和泽塔潜力的作用.
- 确定EV特征是否可以作为心血管疾病的预后指标.
主要方法:
- 纳米粒子跟踪分析 (NTA) 用于测量囊泡大小分布,度和泽塔潜力.
- 对28名重症监护室 (ICU) 患者,20名心脏病患者的标准护理 (SC) 患者和20名健康对照者的样本进行了测量.
主要成果:
- 与健康对照组相比,患有心脏病的患者表现出较低的泽塔潜力.
- 患有心脏病的ICU患者的EVs (245 nm) 比SC患者 (195 nm) 和对照患者 (215 nm) 大得多.
- 与SC患者 (7.62 × 10^10颗粒/毫升) 和对照组 (1.50 × 10^11颗粒/毫升) 相比,ICU患者的EV度明显较低 (4.68 × 10^10颗粒/毫升).
- 较低的EV度 (<5.55 × 10^10颗粒/毫升) 与总生存时间显著降低 (140天与211天相比).
结论:
- 细胞外囊泡度成为心脏病患者的新型预后标志物,包括在ICU和SC环境中的患者.
- EV度可以预测心脏病患者的整体存活率.
- 这些发现强调了EV分析在管理和预测心血管疾病的结果方面的潜力.
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