孟德尔的随机化研究性激素结合环球蛋白及其对不良妊娠结果的影响
Han Wu1,2, Yiying Jin2,3, Qiuhui Pan2,3,4,5
1Department of Clinical Laboratory, Fujian Children's Hospital (Fujian Branch of Shanghai Children's Medical Center), College of Clinical Medicine for Obstetrics and Gynecology and Pediatrics, Fujian Medical University, Fuzhou, China.
概括
较高的性激素结合环球蛋白 (SHBG) 水平与减少妊娠不良结果的风险有因果关系,包括流产,孕前和妊娠糖尿病. SHBG可以作为评估和监测妊娠风险的有价值指标.
科学领域:
- 生殖内分泌学 生殖内分泌学
- 遗传流行病学遗传流行病学
- 孕产妇健康 孕产妇健康
背景情况:
- 性激素结合球蛋白 (SHBG) 与不良妊娠结果 (APO) 之间的关联尚未得到充分证实.
- 之前的研究对这种关系产生了相互矛盾的结果.
研究的目的:
- 使用孟德尔随机化方法,研究SHBG水平对各种不良妊娠结果风险的因果关系.
- 为了澄清SHBG在怀孕期间并发症的发展中的作用.
主要方法:
- 一个两样本的门德尔随机化研究,利用来自欧洲人口的全基因组关联研究 (GWAS) 数据.
- 确定与SHBG水平相关的单核酸多态 (SNP) 作为仪器变量.
- 分析自发性流产,孕前期,妊娠期糖尿病 (GDM),妊娠期肝脏内胆固醇症 (ICP) 和女性不孕症的总结统计数据作为结果.
- 主要分析采用了反变量加权 (IVW) 方法,补充了MR-Egger回归,加权中位数估计器和加权模式强度方法.
主要成果:
- 增加的SHBG水平与减少自发流产的风险显著相关 (p=0.018).
- 较高的SHBG水平显示出对子宫前 (OR=0.887,p=0.015),GDM (OR=0.830,p=0.000),ICP (OR=0.764,p=0.049) 和不孕症 (OR=0.860,p=0.003) 的因果保护作用.
结论:
- 升高的SHBG水平与妊娠不良后果风险降低有因果关系.
- SHBG可以作为预孕风险评估和怀孕监测的潜在生物标志物.
- 这些发现是特定于欧洲人群的,需要在不同种族群体中进行验证.
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