抗胰岛素遗传风险评分的可预测性受到BMI和种族的影响
Marian L Yurchishin1, Lauren A Fowler1, Amy M Goss1
1Department of Nutrition Sciences, University of Alabama at Birmingham, Birmingham, Alabama, USA.
Obesity (Silver Spring, Md.)
|February 24, 2025
概括
对胰岛素抵抗 (IR) 的遗传倾向与体重指数 (BMI) 和种族有不同的相互作用. 这些发现表明,肥胖对IR的影响是种族和组织特异性的.
科学领域:
- 遗传学 遗传学 是一个
- 代谢过程中的代谢.
- 公共卫生 公共卫生
背景情况:
- 胰岛素抵抗 (IR) 是代谢疾病的一个关键因素.
- 遗传风险评分 (GRS) 可以预测对IR的倾向.
- GRS对IR的影响可能因种族和体重指数 (BMI) 而异.
研究的目的:
- 调查胰岛素抵抗 (IR) 的遗传风险得分与胰岛素敏感度的测量之间的关联是否因种族和BMI状态而有所不同.
- 为了检查这些协会在非裔美国人 (AA) 和欧洲美国人 (EA) 没有糖尿病的成年人.
主要方法:
- 从52个遗传变异中计算出遗传风险评分 (GRS).
- 参与者 (53 AA,54 EA) 被分为高/低BMI组.
- 用高胰岛素-高血糖,HOMA-IR和松田指数来测量胰岛素敏感性.
主要成果:
- 在欧洲裔美国人中,GRS仅在高BMI组中与IR相关.
- 在非洲裔美国人中,GRS仅在低BMI组中与胰岛素敏感性相关.
- 根据种族和BMI状态,在不同的胰岛素敏感度指标中,相关性有所不同.
结论:
- 对IR和肥胖的遗传倾向之间的关系是特定于种族和组织的.
- 这些发现凸显了胰岛素耐药性的异质性.
- 了解这些差异对于有针对性的干预至关重要.
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