在不稳定的胸痛中,在外围单细胞中增强训练免疫力,具有高敏感性C反应蛋白的高敏感性
Jiyu Zhang1, Fen Yang1, Yuhan Liao1
1Department of Cardiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China; Hubei Key Laboratory of Biological Targeted Therapy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China; Hubei Engineering Research Center for Immunological Diagnosis and Therapy of Cardiovascular Diseases, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China; Key Laboratory of Biological Targeted Therapy, Huazhong University of Science and Technology, Ministry of Education, Wuhan, China.
患有不稳定胸痛和高敏感性C反应蛋白 (hsCRP) 的患者表现出持续的单细胞训练免疫力. 这种增强的炎症导致了尽管二次预防的努力反复出现心血管事件.
科学领域:
- 免疫学 免疫学 免疫学
- 心血管医学 心血管医学
- 代谢健康 代谢健康
背景情况:
- 尽管进行了二次预防,但心血管疾病的复发仍然存在.
- 高敏感性C反应蛋白 (hsCRP) 的升高意味着炎症和心血管风险的增加.
- 不稳定性胸痛 (UA) 是冠心病的一个关键表现.
研究的目的:
- 为了研究不稳定性胸痛 (UA) 患者在循环单细胞中的训练免疫力.
- 为了确定高hsCRP水平是否与特定的单细胞免疫特征相关.
- 了解单细胞训练免疫在心血管疾病残留炎症中的作用.
主要方法:
- 分析UA患者的CD14+单细胞,按hsCRP水平分类 (高风险≥3 mg/L与低风险<1 mg/L).
- 评估单细胞的细胞因子产生,代谢活性以及转录和表观遗传特征.
- 高风险和低风险UA患者组之间的比较分析.
主要成果:
- 来自UA患者的单细胞具有高hsCRP显示增强的炎症反应.
- 升高的hsCRP与单细胞中的糖解活性增加有关.
- 在高危患者中观察到免疫细胞概况的显著变化,表明持续训练免疫力.
结论:
- 在UA患者中hsCRP升高与持续的单细胞训练免疫有关.
- 这种训练有素的免疫有助于持续的炎症和心血管疾病的残留风险.
- 针对单细胞驱动的炎症可能为二次预防提供新的途径.
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