葡萄糖耐受性和胰岛素抵抗/敏感性与视网膜层特征相关:LIFE成人研究
Franziska G Rauscher1,2,3, Tobias Elze1,4, Mike Francke2
1Leipzig Research Centre for Civilization Diseases (LIFE), Leipzig University, Leipzig, Germany.
Diabetologia
|March 2, 2024
概括
胰岛素耐药性和葡萄糖耐受性受损与更薄的视网膜外核层 (ONL) 和肌区域 (MZ) 有关. 这些变化可能是糖尿病早期眼部并发症的信号.
科学领域:
- 眼科医生 眼科 眼科
- 代谢研究研究 代谢研究
- 医疗成像医学成像
背景情况:
- 胰岛素耐药性和葡萄糖不耐受性的全球流行率不断上升,对健康造成重大负担,特别是糖尿病引起的眼睛疾病.
- 非侵入性成像技术对于了解代谢对眼睛健康的影响至关重要.
研究的目的:
- 使用光谱域光学连贯断层扫描 (SD-OCT) 识别与胰岛素和葡萄糖代谢相关的特定视网膜光学带.
- 调查视网膜层厚度与葡萄糖耐受性,胰岛素耐药性和胰岛素敏感性标志物之间的关系,在大型基于人群的队列中.
主要方法:
- 利用SD-OCT测量了来自LIFE成人研究的7384名参与者的10个视网膜光带的厚度.
- 采用多变量线性回归来分析视网膜带厚度与代谢标志物 (例如,HOMA2-IR,eGDR) 之间的关联,调整为混因素.
- 按葡萄糖耐受性状态分层分析 (正常,糖尿病前期,糖尿病) 并进行敏感性分析以验证.
主要成果:
- 10个视网膜光带中的9个显示出明显的厚度变化,取决于性别和葡萄糖耐受性.
- 胰岛素耐药性标记物 (例如,HOMA2-IR) 与外核层 (ONL) 和肌区域 (MZ) 的厚度相反相关.
- 胰岛素敏感性标记物 (例如,eGDR) 与ONL和MZ厚度有积极的关联,在ETDRS子领域的发现一致.
结论:
- 葡萄糖平衡受损与视网膜ONL和光受体MZ的厚度降低有关.
- 在ONL和MZ厚度的变化可以作为视网膜代谢变化的早期指标,可能预测糖尿病眼病的进展.
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