血脂代谢物,临床血糖预测剂,以及发生2型糖尿病的情况
Arjana Begzati1, Karla P Godinez-Macias2, Tao Long1,3
1Department of Medicine, University of California San Diego, La Jolla, CA.
Diabetes care
|January 6, 2025
概括
血二甲基糖醇 (DAG) 和酸胆 (PC) 是2型糖尿病 (T2D) 风险的新型非血糖生物标志物. 这些代谢物提供了超越传统葡萄糖测量方法的T2D病因学的洞察力,并且在种族群体中一致.
科学领域:
- 代谢学 代谢学 代谢学
- 生物标志物发现发现
- 2型糖尿病病因 病因学
背景情况:
- 非血糖性血代谢物正在成为发生型2型糖尿病 (T2D) 的指标.
- 了解这些生物标志物如何与特定的T2D病因因素相关,如葡萄糖代谢受损,至关重要.
- 调查这些关联中的潜在种族差异对于公平的风险评估至关重要.
研究的目的:
- 为了确定血代谢物概况是否提供T2D病因学,特别是禁食葡萄糖受损和葡萄糖耐受性受损的独特信息.
- 检查这些生物标志物与T2D风险之间的关联是否在种族群体之间存在差异.
主要方法:
- 来自FINRISK 2002队列的7,564名参与者的非向性血代谢物分析.
- 考克斯回归建模用于识别14年来与T2D事件相关的代谢物.
- 斯图形建模以聚类代谢物并检查与禁食血葡萄糖 (FPG),挑战后2小时的血葡萄糖 (2hPG),HbA1c和禁食胰岛素的关联.
- 在社区动脉样硬化风险 (ARIC) 研究中的验证,包括与种族相互作用的测试.
主要成果:
- 两个代谢物,二甲酸甘油 (DAG) 和酸胆 (PC),显示出与发生的T2D有显著的关联.
- DAG与FPG,HbA1c和禁食胰岛素独立的T2D风险增加有关,但不是2hPG.
- PCs与T2D风险相反相关,独立于所有传统的血糖和胰岛素测量.
- 在DAG或PC和种族之间没有发现显著的相互作用.
结论:
- 禁食DAG可能反映了类似于2hPG的T2D风险方面,而PC则捕获了与传统生物标志物相比不同的病因因素.
- 在欧洲和非洲裔美国人之间,DAG和PC与T2D事件的关联在方向和强度上是一致的.
- 这些发现凸显了DAG和PC作为T2D风险预测中有价值的,种族独立的生物标志物的潜力.
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