FTO基因型,胺的饮食摄入量和自发流产风险:一个病例对照研究
Elaheh Havaei1, Masoomeh Alsadat Mirshafaei2, Sheyda Nami3
1Central Tehran Branch, Islamic Azad University, Tehran, Iran.
Journal of reproductive immunology
|February 6, 2026
概括
在具有特定FTO基因变异 (AA/AT基因型) 的女性中,摄入较高的胺可以降低自发流产 (SA) 风险. 在具有TT基因型的女性中没有观察到这种保护作用,这突显了在SA预防中潜在的基因营养相互作用.
科学领域:
- 生殖健康 生殖健康
- 营养科学 营养科学
- 遗传学 是一个遗传学.
背景情况:
- 自发流产 (SA) 是一个重大的公共卫生问题.
- 遗传变异,如FTO rs9939609多态,和营养缺乏,如胺,涉及到SA.
- 了解基因-营养物相互作用对于SA预防策略至关重要.
研究的目的:
- 为了研究饮食中提氨酸摄入量与自发流产 (SA) 风险之间的关联.
- 为了检查这种关联是否被FTO rs9939609基因多态化所改变.
- 在SA的背景下探索潜在的基因营养相互作用.
主要方法:
- 一项涉及539名成年女性的病例控制研究 (192名有SA史,347名对照) 在伊朗德黑兰.
- 使用Tetra ARMS-PCR方法进行FTO rs9939609基因型鉴定.
- 通过半定量食品频率问卷 (FFQ) 评估的食胺摄入量.
主要成果:
- 在具有AA/AT FTO基因型 (OR=0.315,P=0.024) 的女性中,发现了饮食中提氨酸摄入量和SA之间的显著反向关联.
- 在调整了诸如年龄,BMI和糖尿病史等混因素后,这种关联仍然显著.
- 在具有TT FTO基因型的女性中,没有观察到胺摄入量和SA之间的显著关联.
结论:
- 食类提氨酸的摄入量可能在具有AA/AT FTO基因型的妇女中起到保护性作用,防止自发流产 (SA).
- FTO rs9939609基因型似乎改变了硫胺素摄入量与SA风险之间的关系.
- 建议进行进一步的研究来证实这些发现,并探索潜在的机制.
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