在心脏手术后的术后心房动中,内皮细胞激活,细胞与细胞相互作用和炎症途径
Raquel López-Gálvez1, José Miguel Rivera-Caravaca2, Darío Mandaglio-Collados1
1Department of Cardiology, Hospital Clínico Universitario Virgen de la Arrixaca, University of Murcia, Instituto Murciano de Investigación Biosanitaria (IMIB-Arrixaca), CIBERCV, Murcia, Spain.
Biomedical journal
|November 27, 2024
概括
手术后心房动 (POAF) 涉及内皮细胞激活和炎症. 高水平的炎症标志物和减少的连xin 43表达与心脏手术后的POAF发展有关.
科学领域:
- 心脏病学 心脏病学
- 生物医学工程 生物医学工程
- 细胞生物学 细胞生物学
背景情况:
- 手术后心房动 (POAF) 是心脏手术后的常见并发症.
- POAF与内皮激活和全身炎症有关.
- 了解POAF的机制对于患者的治疗结果至关重要.
研究的目的:
- 研究心脏手术后心房动 (AF) 的病理生理机制.
- 探索内皮细胞激活和细胞相互作用在POAF发育中的作用.
- 为了比较POAF和没有POAF的患者的炎症标志物和连接素表达.
主要方法:
- 研究了接受心脏手术的患者,包括永久性AF,POAF和没有AF的组.
- 测量生物标志物: 互乐金-6, ·威尔布兰德因子, N-终端前脑尿素, 高灵敏度的素T, 血管细胞粘附分子-1, 和生长差异化因子15.
- 通过组织免疫标记和使用TUNEL试验的亡来评估连接素40和43的表达.
主要成果:
- 与非AF患者相比,患有永久性AF和POAF的患者表现出较高的NT-proBNP,hs-TnT和亡核.
- 在永久性AF和POAF组中观察到连xin 43 (Cx43) 的表达减少.
- 血管细胞粘附分子-1和生长差异化因子15在永久性AF患者中明显高于非AF患者.
结论:
- 与非AF患者相比,AF患者的内皮激活和炎症增加.
- 预炎症状态和减少的Cx43表达似乎与AF中的心房重塑有关.
- 这些发现突出了POAF涉及的关键细胞和分子通路.
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