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PM2.5成分,温度和精液质量之间的关联:从精液等离子体代谢组的洞察
Jun-Feng Tan1, Li-Li Huang2, Zhong-Hua Lu1
1School of Public Health, Xiamen University, Xiamen, 361102, Fujian Province, China.
Environmental research
|September 26, 2025
概括
环境暴露,如酸盐,硫酸盐和热量,通过减少精子度,对男性生育能力产生负面影响. 这些因素破坏了脂质和核酸代谢,表明影响生殖健康的共同途径.
科学领域:
- 环境健康科学 环境健康科学
- 生殖生物学 生殖生物学
- 代谢学 代谢学 代谢学
背景情况:
- 全球精液质量下降是一个重大的公共卫生问题.
- 环境暴露被怀疑是导致男性生殖健康受损的关键因素.
研究的目的:
- 为了研究细颗粒物 (PM$_{2.5}$) 组成部分,环境温度和男性的精液质量之间的关系.
- 探索潜在的代谢机制,将环境暴露与精子度降低联系起来.
主要方法:
- 在中国武汉对649名男性进行的前性队列研究.
- 贝叶斯核机器回归和通用线性模型来评估暴露-精液质量关联.
- 非向的精液等离子体代谢学来识别代谢特征.
主要成果:
- 对酸盐 (NO$_{3}$$^-$),硫酸盐 (SO$_{4}$$^{2-}$) 和温度的更高暴露,独立地与精子度降低有关.
- 观察到明显的代谢干扰:SO$_{4}$$^{2-}$和温度影响脂质代谢;NO$_{3}$$^-$影响核酸代谢.
- 分享的代谢物 (3-基基尼丁,乙酸,尿素) 与暴露于线粒体功能障碍,膜不稳定性和氧化应激相关.
结论:
- 环境压力因素,如PM$_{2.5}$成分和温度,可以损害男性的生殖健康.
- 融合的代谢途径,包括线粒体功能障碍和氧化应激,介导着同时发生的环境暴露的影响.
- 强调需要解决男性生育能力的个人和综合环境暴露风险.
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