血红素作为腹腔大动脉动脉瘤中的炎症刺激
Yuchao Ding1,2,3, László Potor1,2, Péter Sótonyi4
1Division of Nephrology, Department of Internal Medicine, Faculty of Medicine, University of Debrecen, 4032 Debrecen, Hungary.
Antioxidants (Basel, Switzerland)
|February 27, 2026
概括
血积累驱动腹腔大动脉瘤 (AAA) 炎症和进展. 用血红酸盐准血红氧酶-1 (HO-1) 途径可能为AAA提供一种新的治疗策略.
科学领域:
- 血管生物学 血管生物学
- 生物化学 生物化学
- 免疫学 免疫学 免疫学
背景情况:
- 腹腔大动脉动脉瘤 (AAA) 是一种严重的血管疾病,以内出血为特征.
- 血红蛋白分解的副产品血红蛋白及其代谢失调与AAA进展和炎症有关.
研究的目的:
- 研究血红素及其代谢途径,特别是血红素氧酶-1 (HO-1) 在AAA病变发生过程中的作用.
- 探索向heme-HO-1轴作为AAA治疗策略的潜力.
主要方法:
- 对AAA患者和血管素II (AngII) 诱导的AAA小鼠模型的临床分析.
- 转录组分析,免疫组织化学和使用内皮细胞和光滑肌肉细胞的体外研究.
- 药理干预使用血红酸盐 (HO-1诱导剂) 和锡原氨酸IX (HO-1抑制剂).
主要成果:
- AAA患者和小鼠模型显示血红素水平升高,血管炎症 (CRP,IL-6) 和HO-1和血红素反应基因的表达增加.
- 细胞模型中的血红素暴露可提高炎症标志物 (IL1β,ICAM1,NLRP3) 的调节,这种反应由HO-1调节.
- 血红酸盐治疗减轻了AAA的进展并减少了大动脉炎症,而HO-1抑制消除了这种保护作用.
结论:
- 血红-HO-1-H-费里丁轴是AAA病变发生的关键组成部分.
- 调节HO-1活性为腹腔大动脉动脉瘤提供了一个有前途的治疗点.
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