多囊卵巢综合征妇女和对照群之间的胚胎前植入染色体异常的差异:一个多中心回顾性队列研究
Lu Luo1,2,3, Wenjun Wang4, Yan Xu1,2,3
1Department of Obstetrics and Gynecology, Center for Reproductive Medicine, First Affiliated Hospital, Sun Yat-Sen University, Zhongshan Road 2, Guangzhou, 510080, China.
Journal of assisted reproduction and genetics
|September 17, 2024
概括
患有多囊性卵巢综合征 (PCOS) 的女性具有较少的染色体错误,但在胚胎囊中存在更多的马赛克. 胰岛素耐药性可能导致PCOS患者的这种增加的马赛克风险.
科学领域:
- 生殖内分泌学 生殖内分泌学
- 人类遗传学 人类遗传学
- 胚胎学 胚胎学
背景情况:
- 多囊卵巢综合征 (PCOS) 是一种常见的内分泌疾病,影响生殖年龄的女性.
- 接受植入前遗传检测 (PGT) 的PCOS妇女的胚胎细胞瘤染色体状况的综合数据有限.
- 了解这些染色体差异对于改善PGT结果至关重要.
研究的目的:
- 调查和比较PCOS和接受PGT的对照对象之间的女性在植入前囊中的染色体异常光谱.
- 为了识别动脉积分和马赛克率的潜在差异.
- 探索PCOS相关内分泌异常对胚胎染色体异常的影响.
主要方法:
- 一项多中心回顾性队列研究分析了2015年至2021年期间147名PCOS妇女的707个芽细胞和821名对照妇女的3006个芽细胞.
- 在PCOS组和对照组之间比较了染色体异常模式.
- 使用混合效应的通用线性模型来评估PCOS和相关因素对染色体异常的影响.
主要成果:
- 与对照组相比,来自PCOS妇女的胚胎囊显示出明显较低的血管积分率 (14.7%对比25.4%,P < 0.001),但较高的马赛克率 (16.5%对比8.7%,P < 0.001).
- 鉴定PCOS是一种独立的保护因子,可以防止胚胎形 (aOR = 0.68,P = 0.014) 和胚胎马赛克的危险因子 (aOR = 1.52,P = 0.009).
- 胰岛素抵抗进一步被认为是PCOS妇女胚胎马赛克症风险增加的潜在驱动因素 (aOR = 2.17,P = 0.026).
结论:
- 多囊卵巢综合征与形积分症的风险降低有关,但在人类植入前胚芽细胞中,马赛克主义的风险增加.
- 胰岛素耐药性成为可能导致PCOS患者观察到的高度马赛克的重要因素.
- 进一步研究胰岛素抵抗的作用是有必要的,以了解其对PCOS胚胎发育的影响.
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