波多黎各孕妇中环境PM2.5和甲状腺激素之间的关联
Trenton Honda1, Trenton D Henry1, Laura Corlin2,3
1School of Clinical and Rehabilitation Sciences, Northeastern University, Boston, MA 02115, USA.
Toxics
|January 24, 2025
概括
暴露于细颗粒物 (PM2.5) 空气污染与怀孕期间母亲甲状腺激素水平的变化有关,特别是T3,T4和FT4. 这些变化可能会影响胎儿发育,强调需要进一步的研究和干预.
科学领域:
- 环境健康 环境健康
- 内分泌学 在内分泌学.
- 生殖健康 生殖健康
背景情况:
- 波多黎各的孕妇是面临社会经济和环境差异的弱势群体.
- 微粒颗粒物 (PM2.5) 空气污染是环境的重要暴露.
- 甲状腺激素对于母亲和胎儿的发育至关重要.
研究的目的:
- 研究怀孕期间PM2.5暴露与甲状腺激素水平 (TSH,T3,T4,FT4) 之间的关联.
- 根据怀孕期间暴露的时间来检查这些关联的潜在变化.
- 探索PM2.5和甲状腺激素水平之间的剂量反应关系.
主要方法:
- 利用了PROTECT队列研究中的1040名参与者的数据.
- 将参与者的地点与EPA空气质量数据链接起来,用于PM2.5度评估.
- 在两个妊娠访问 (16-20周和24-28周) 中分析了甲状腺激素水平.
主要成果:
- 暴露于PM2.5与母亲的T3,T4和FT4水平有积极的关联,但TSH没有.
- 暴露的时间影响了相关性:T3在怀孕后期更强,T4/FT4在怀孕早期更强.
- 观察到非线性剂量反应关系,表明潜在的荷尔蒙特异性值.
结论:
- 研究结果支持甲状腺激素变化与出生不良结果之间的联系.
- 空气污染可能会破坏母亲的甲状腺功能,对胎儿发育产生影响.
- 需要进一步的研究来了解机制,并制定干预措施以减轻风险.
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