循环维生素D度和疹风险:一个双向的双样本孟德尔随机化研究
Hai-Xia Chai1,2, Feng Wang3, Hui Liu1,2
1Department of Clinical Nutrition, Pingshan Hospital of Southern Medical University, Shenzhen, China.
Asia Pacific journal of clinical nutrition
|October 2, 2025
概括
较高的维生素D水平可能会因果性地防止疹. 这项遗传研究表明,维生素D可能是预防和治疗疹的一个因素.
科学领域:
- 遗传学和分子生物学
- 免疫学 免疫学 免疫学
- 营养科学 营养科学
背景情况:
- 维生素D缺乏和疹之间存在潜在的联系.
- 维生素D水平与疹风险之间的因果关系仍然不确定.
- 这项研究旨在澄清维生素D在病中的因果作用.
研究的目的:
- 通过使用孟德尔随机化 (MR) 研究维生素D及其代谢物对疹风险的潜在因果作用.
- 探索维生素D和疹之间的因果关系的方向性.
主要方法:
- 利用全基因组关联研究 (GWAS) 对欧洲人群中维生素D代谢物[25(OH) D,25(OH) D3,C3-epi-25(OH) D3]的总结统计.
- 分析了来自FinnGen联盟 (R10发布) 的疹数据.
- 在复制队列 (英国生物银行和SUNLIGHT联盟) 中进行了全面的灵敏性分析 (异质性,性,留出一个) 和验证.
主要成果:
- 门德尔的随机化分析表明,较高的25-氧维生素D [25(OH) D]总水平对疹风险具有显著的保护性因果作用 (OR = 0.81,p = 0.008).
- 对25-基维生素D3[25(OH) D3]水平 (OR = 0.85,p = 0.023) 观察到类似的保护作用.
- 结果强大,在复制队列中得到验证 (OR = 0.69,p = 0.001),并且没有显示出显著的异质性或性. 反向MR分析证实了单向的因果作用.
结论:
- 这项研究提供了第一个遗传证据,表明更高的维生素D水平可能会降低患病的风险.
- 这些发现为开发用于预防和治疗疹的新策略提供了新的理论基础.
- 强调维护足够的维生素D水平对皮肤健康的潜在重要性.
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