先进的糖化终产品是增殖性糖尿病视网膜病变的生物分子生物标志物
Nibha Mishra1, Sandeep Saxena1, Rajendra K Shukla1,2
1Department of Ophthalmology, King George's Medical University, Lucknow, Uttar Pradesh, India.
Indian journal of ophthalmology
|April 17, 2025
概括
先进的糖化终端产品 (AGEs) 显示为增殖性糖尿病视网膜病变 (PDR) 的生物标志物具有前途. 较高的Nε-CML水平与PDR进展和视力敏度丧失相关,这表明它们在治疗糖尿病眼病中的有用性.
科学领域:
- 生物标志物和翻译医学
- 眼科和内分泌学 眼科和内分泌学
背景情况:
- 糖尿病视网膜病变 (DR) 是导致2型糖尿病 (DM) 视力丧失的主要原因.
- 扩散性糖尿病视网膜病变 (PDR) 代表了一个晚期的阶段,具有显著的视力损伤风险.
- 早期发现和监测DR进展对于有效管理至关重要.
研究的目的:
- 调查先进的糖化终产物 (AGEs),特别是N-carboxymethyl-lysine (Nε-CML),作为PDR的潜在生物标志物.
- 评估Nε-CML在区分糖尿病视网膜病变不同阶段的诊断准确性.
- 评估Nε-CML水平与疾病严重程度,包括视力敏度之间的相关性.
主要方法:
- 一项涉及80名2型糖尿病患者的横截面研究,分为控制组,没有视网膜病变 (NoDR),非增殖性糖尿病视网膜病变 (NPDR) 和PDR组 (每组n=20).
- 使用特定的测定方法量化血清中Nε-CML水平.
- 统计分析包括ANOVA和接收器运行特征 (ROC) 曲线分析与曲线下的面积 (AUC) 确定诊断性能.
主要成果:
- 在各组中,Nε-CML平均水平显著增加:对照组 (31.3 ng/mL),NoDR (73.9 ng/mL),NPDR (91.2 ng/mL) 和PDR (132.0 ng/mL) (P < 0.001).
- Nε-CML水平与最佳校正视敏度 (P < 0.001) 有显著的反相关性.
- ROC分析显示PDR的高诊断准确度 (AUC = 0.84),NODR的AUC为0.67和NPDR的AUC为0.69.
结论:
- AGEs,特别是Nε-CML,是2型糖尿病患者中PDR的敏感生物分子生物标志物.
- Nε-CML水平可以有效地区分PDR与DR早期阶段,并预测疾病的进展.
- 这些发现强调了AGE作为翻译医学中监测和管理糖尿病视网膜病变的有价值的工具.
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