PLOS MED:注意了——肥胖明显增加这些女性生殖系统疾病的风险!

2022-02-06 MedSci原创 MedSci原创

整体和中心肥胖的共同指数与生殖系统疾病的风险增加有不同程度的关联。

肥胖通常被理解为身体脂肪的过度堆积,从而导致健康风险的增加。在女性中,身体质量指数(BMI)的增加与妇科疾病的发病率增加有关,包括过度和异常的月经出血、子宫内膜异位症和子宫肌瘤(UF)、多囊卵巢综合症(PCOS)、妊娠并发症如先兆子痫和子痫、流产和不孕症。

然而,肥胖在生殖系统疾病的病因中的作用和机制仍然不清楚。为此,来自英国牛津大学惠康人类遗传学中心的专家开展了相关研究,旨在估计肥胖、代谢激素和女性生殖系统疾病之间的观察和基因预测的因果关系。结果发表在PLOS MEDICINE杂志上。

使用Logistic回归、广义加性模型和孟德尔随机化(MR)(2-样本、非线性和多变量)被应用于英国生物库和公开的全基因组关联研究(GWASs)中多达257193名欧洲血统妇女的肥胖和生殖疾病数据。体重指数(BMI)、腰臀比(WHR)和根据BMI调整的WHR与子宫肌瘤(UF)、多囊卵巢综合症(PCOS)、大量月经出血(HMB)和先兆子痫有数据上(ORs=1.02-1.87,每增加1-SD)和遗传上(ORs=1.06-2.09)的关系。

遗传预测的内脏脂肪组织(VAT)质量与HMB风险增加31%(预测VAT质量每增加1公斤的OR[95%CI]=1.32[1.06-1.64],P=0.0130)、PCOS增加15%(OR[95%CI]=1.15[1.08-1.23],P=3.24×10-05)和子痫前期增加208%(OR[95%CI]=3.08[1.98-4.79],P=6.65×10-07)的发展相关。

作为肥胖相关性状的函数,预测女性生殖障碍的发生概率。

与增加的臀围(ORs = 1.06-1.10)相比,腰围增加对这些疾病和UF的发展构成更高的遗传风险(ORs = 1.16-1.93)。空腹胰岛素和胰岛素抵抗分别介导了肥胖与先兆子痫的总遗传预测关系的20%至50%。

综上,整体和中心肥胖的共同指数与生殖系统疾病的风险增加有不同程度的关联。

 

参考文献:

Obesity and risk of female reproductive conditions: A Mendelian randomisation study. https://doi.org/10.1371/journal.pmed.1003679

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    2022-10-17 周虎
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    2022-02-08 zhouqu_8

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