与2型糖尿病相关的血清25-基维生素D度的遗传预测:孟德尔的随机化研究
1Department of Laboratory Medicine, Obstetrics and Gynecology Hospital of Fudan University, Shanghai Key Lab of Reproduction and Development, Shanghai Key Lab of Female Reproductive Endocrine Related Diseases, Shanghai, China.
高水平的25-氧维生素D (25(OH) D与2型糖尿病 (T2DM) 的风险降低有关. 这项门德尔随机化研究表明了潜在的因果关系,为T2DM预防策略提供了洞察力.
科学领域:
- 营养流行病学 营养流行病学
- 遗传流行病学遗传流行病学
- 代谢疾病 代谢疾病
背景情况:
- 观察性研究表明,各种维生素 (B6,B9,B12,C,25...OH) 和2型糖尿病 (T2DM) 之间存在关联.
- 这些维生素在T2DM发展中的确切因果作用尚不清楚,需要进一步调查.
研究的目的:
- 调查维生素B6,B9,B12,C和25-氧维生素D (25(OH) D) 和T2DM的循环度之间的潜在因果关系.
- 使用门德尔随机化 (MR) 来评估这些关联,并考虑潜在的混因素.
主要方法:
- 采用孟德尔的随机化 (MR),使用单核酸多态 (SNP) 作为维生素B6,B9,B12,C和25 (OH) D水平的仪器变量.
- 分析了欧洲血统 (N > 400,000) 的两项大型全基因组关联研究 (GWAS) 的2型糖尿病 (T2DM) 结果.
主要成果:
- 在单变量和多变量MR分析中,基因预测的较高血清25-基维生素D (25(OH) D水平始终与T2DM风险降低有关.
- 在基因预测的维生素B6,B9,B12或C水平与T2DM风险之间没有观察到任何显著的关联.
结论:
- 血清中较高的循环25(OH) D水平与患2型糖尿病 (T2DM) 的风险降低有关.
- 这些发现凸显了维持适当的25~OH) D水平对于T2DM预防的潜在重要性.
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