一个碳代谢,胰岛素耐药性和生育能力在新加坡的前性预孕队列研究中
Chee Wai Ku1, Hiu Gwan Chan2, Alexandrea Lishan Sia3
1Department of Reproductive Medicine, KK Women's and Children's Hospital, Singapore; Duke-NUS Medical School, Singapore.
The American journal of clinical nutrition
|May 7, 2025
概括
较高的叶酸和较低的homocysteine水平与女性生育能力的增加有关,特别是那些胰岛素抵抗性较低的女性. 这凸显了单碳新陈代谢对生殖健康的重要性.
科学领域:
- 生殖内分泌学 生殖内分泌学
- 营养生物化学 营养生物化学
- 代谢学 代谢学 代谢学
背景情况:
- 一碳代谢对于核酸合成至关重要,但其在生殖健康中的作用尚不清楚.
- 单碳代谢产物,代谢状态和生育能力之间的相互作用需要进一步研究.
研究的目的:
- 为了研究血单碳循环代谢产物与受精能力之间的关联.
- 为了确定胰岛素抵抗是否会改变这种关联.
主要方法:
- 一项前性队列研究,使用来自新加坡长期母亲和儿童结果的PREconception研究的数据.
- 主要成分分析确定了单碳代谢物的模式.
- 离散时间比例危险模型估计了生育率,通过HOMA2-IR评估胰岛素耐药性.
主要成果:
- 一个主要成分 (PC1),以较高的叶酸和较低的homocysteine为特征,与17%的生育能力增加有关.
- 这种关联在胰岛素耐药性较低的女性中 (FR:1.30) 与胰岛素耐药性较高的女性 (FR:1.09) 相比更强.
- 其他已识别的代谢物模式 (PC2,PC3) 与生育能力没有显著关联.
结论:
- 较高的叶酸和较低的homocysteine度与怀孕前妇女的生育能力增加有关.
- 这些代谢物与生育能力之间的积极关联在胰岛素耐药性较低的女性中更为明显.
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