甲-血红蛋白和氧化应激对输血依赖β-thalassemia患者内皮功能的影响
Maha Abubakr Feissal Rabie1, Sanaa A El Benhawy2, Inas M Masoud3
1Department of Basic Science, Pharos University in Alexandria, Canal El Mahmoudia Street, Beside Green Plaza Complex, Alexandria, Egypt. maha.feissal@pua.edu.eg.
Scientific reports
|October 25, 2024
概括
输血依赖的β-血病患者表现出显著的内皮功能障碍,原因是氧化应激标志物增加,如甲-血红蛋白和甲. 建议对这些标记物进行常规监测,并补充抗氧化剂.
科学领域:
- 血液学 血液学 血液学
- 心血管生物学 心血管生物学
- 生物化学 生物化学
背景情况:
- 输血依赖性β-thalassemia (TDT) 导致慢性贫血,需要定期输血.
- 输血导致铁过载,产生自由基,损害内皮细胞并加剧氧化应激.
- 慢性贫血进一步损害了氧气输送,加剧了氧化应激和内皮功能障碍.
研究的目的:
- 调查甲血红蛋白和氧化应激对TDT患者内皮功能的影响.
- 为了比较TDT患者和健康对照者的内皮激活和压力指数 (EASIX).
- 探索氧化应激标记物,铁过载标记物和内皮功能障碍之间的相关性.
主要方法:
- 收集了50名TDT患者和50名健康对照者的血液样本.
- 进行完整血清 (CBC) 和生物化学分析 (肌素,费里丁,CRP,LDH,HCV抗体).
- 评估氧化应激使用甲基血红蛋白和马隆迪化物水平.
- 通过内皮激活和压力指数 (EASIX) 评估内皮功能障碍.
主要成果:
- 与对照组相比,TDT患者的EASIX,甲-血红蛋白和马隆迪阿尔海德水平显著升高.
- 在EASIX和甲基血红蛋白,马隆迪甲基,血清费里丁和CRP之间观察到强烈的正相关性.
- 这些发现突显了TDT中氧化应激,铁过载和内皮功能障碍之间的显著联系.
结论:
- 甲血球和EASIX是TDT患者内皮功能的关键指标.
- 建议定期估计甲血红蛋白和EASIX,特别是在考虑脊髓切除术之前.
- 补充抗氧化剂药物可能有利于在TDT中管理内皮功能障碍.
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