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系统性炎症和氧化应激在糖尿病视网膜病变和糖尿病患有黄斑的患者中的升高
Kamelia Petkova-Parlapanska1, Valeria Draganova2, Ekaterina Georgieva3
1Medical Chemistry and Biochemistry Department, Medical Faculty, Trakia University, 11 Armeiska Str., 6000 Stara Zagora, Bulgaria.
International journal of molecular sciences
|May 7, 2025
概括
糖尿病黄斑 (DME) 与较高的氧化压力有关,包括活性氧物种 (ROS) 的增加,炎症和DNA损伤. 损坏的氧化 (NO) 途径也会导致2型糖尿病中DME的发展.
科学领域:
- 眼科医生 眼科 眼科
- 内分泌学 在内分泌学.
- 生物化学 生物化学
背景情况:
- 糖尿病视网膜病变 (DR) 和其并发症,糖尿病黄斑胀 (DME),显著影响视力.
- 氧化压力与糖尿病并发症的发病有关.
- 了解氧化应激生物标志物和DME之间的关系对于患者管理至关重要.
研究的目的:
- 为了比较氧化应激生物标志物,脂质氧化,DNA损伤和细胞因子水平在2型糖尿病患者 (T2DM) 与DR和DME.
- 调查这些标记物在DME中的定量表现.
- 将这些标记与健康志愿者进行比较.
主要方法:
- 对134名T2DM患者 (DR或DME) 和94名健康志愿者的评估.
- 测量反应性氧物种 (ROS),细胞因子产生,脂质氧化,DNA损伤,氧化 (NO) 和NO合成酶 (NOS) 系统参数.
- 患者组和对照组之间的统计比较.
主要成果:
- 与对照组相比,患有DME的患者表现出显著增加的ROS水平,细胞因子产生,脂质氧化和DNA损伤.
- 患有DME的患者显示NO水平降低和NOS系统功能受损 (p <0.05).
- 这些发现表明DR和DME患者无法补偿高氧化应激.
结论:
- 氧化状态受损是去补偿T2DM中DME的重要贡献因素.
- DME患者的NO水平降低可能是由于NO可用性受损的结果.
- 评估氧化应激和炎症生物标志物可以帮助早期检测和预测糖尿病并发症.
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