对胰岛素的特定代谢变化反映了肥胖驱动的变化,并预测了2型糖尿病
Magdalena Sevilla-González1,2,3, Paul A Hanson1,3, Jesse Islam4
1Clinical and Translational Epidemiology Unit, Mongan Institute, Massachusetts General Hospital, Boston, MA, USA.
代谢分析揭示了胰岛素如何影响身体不同部位的代谢物. 这种分析,结合脂肪,可以预测未来的2型糖尿病风险,有助于早期检测.
科学领域:
- 代谢学 代谢学 代谢学
- 内分泌学 在内分泌学.
- 糖尿病研究 糖尿病研究
背景情况:
- 胰岛素抵抗 (IR) 的机制尚不清楚.
- 代谢分析提供了对分区特定代谢变异的见解.
- 识别有2型糖尿病 (T2D) 风险的个人.
研究的目的:
- 描述胰岛素诱导的新陈代谢变化在高胰岛素-高血糖.
- 评估T2D的衍生风险评分的预测值.
主要方法:
- 在80名成年人 (38名T2D患者,42名没有T2D患者) 的带研究中,测量了血和肌肉代谢物.
- 在来自妇女健康倡议的前性病例对照研究 (367例,910对照) 中开发并测试了一项IR代谢评分.
主要成果:
- 超胰岛素血症改变了79.5%的血代谢物 (脂肪酸,乳酸,酸盐) 和15.8%的肌肉代谢物 (氨基酸).
- T2D与高甘油和较低的三碳酸中间体相关.
- 肥胖强化胰岛素诱导的血脂增加;风险评分预测事件T2D (HR 1.20每SD).
结论:
- 对胰岛素的分区特异性代谢反应受到脂肪的影响.
- 代谢特征预测了未来的T2D风险.
- 支持使用代谢签名用于早期T2D识别和预防.
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