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由UPLC‒MS/MS lipidomics揭示的与年龄相关的新血管性黄斑变性中的失调的血清脂质谱

Yuan Qu¹, Yujuan Liu¹, Junwei Fang¹

¹Department of Ophthalmology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine; National Clinical Research Center for Eye Diseases; Shanghai Key Laboratory of Ocular Fundus Diseases; Shanghai Engineering Center for Visual Science and Photomedicine; Shanghai Engineering Center for Precise Diagnosis and Treatment of Eye Diseases; Shanghai Clinical Research Center for Eye Diseases; Shanghai Key Clinical Specialty, Shanghai, 200080, China.

Lipids in health and disease

|September 30, 2025

概括

神经血管与年龄相关的黄斑变性 (nAMD) 涉及脂质变化. 这项研究在湿性AMD (wAMD) 和多性胆道血管病变 (PCV) 中发现了不同的脂质配置文件,这表明亚型特定的代谢作用在疾病进展和潜在的诊断标志物中.

科学领域:

眼科和视觉科学眼科和视觉科学
代谢学代谢学代谢学
生物化学生物化学

背景情况:

神经血管与年龄相关的黄斑变性 (nAMD) 是视力丧失的主要原因,通常与脂质代谢失调有关.
湿性AMD (wAMD) 和其亚型,多性冠状血管病 (PCV),代表了重要的nAMD形式,需要进一步研究其潜在机制.

研究的目的:

为了调查和比较患有wAMD和PCV的患者的脂质学特征.
为了确定与每个nAMD亚型相关的特定脂质变化.
探索已识别的脂质和眼睛指标之间的相关性.

主要方法:

使用UPLC-MS/MS.使用wAMD患者,PCV患者和对照组的血清样本的脂质组分析.
统计分析包括OPLS-DA,单变量,多变量,Boruta算法,Firth回归和ROC分析.
斯皮尔曼等级相关性用于评估脂质和眼睛指标 (CRT,CRV,BCVA) 之间的关系.

主要成果:

在wAMD和PCV组之间没有发现显著的脂质特征差异.
与对照组相比,wAMD患者显示53种不同的脂质 (52种上调),PCV患者显示34种 (31种上调).
特定的脂质面板显示了中等的诊断性能;在PCV患者中观察到更强的全身视网膜相关性.

结论:

在PCV和wAMD之间存在共享和独特的脂质体调节障碍.
特定亚型的代谢重编程可能会影响nAMD病理学.
这些发现有可能为nAMD提供新的诊断和治疗策略.

关键词:

乙卡尼丁酸盐是一种酸胆是一种酸.聚性冠状血管病变 (PCV) 是一种多性冠状血管病变.斯芬哥米叶林是一种神经元.湿时与年龄相关的黄斑变性 (wAMD).

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