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- Title
Atlas and source of the microplastics of male reproductive system in human and mice.
- Authors
Yang, Wen; Wu, Longmei; Li, Guanjian; Shi, Lan; Zhang, Junqiang; Liu, Liting; Chen, Yuge; Yu, Hui; Wang, Kai; Xin, Lei; Tang, Dongdong; Shen, Qunshan; Xu, Chuan; Geng, Hao; Wu, Huan; Duan, Zongliu; Cao, Yunxia; He, Xiaojin
- Abstract
Regarding the impact of microplastics (MPs) on the male reproductive system, previous studies have identified a variety of MPs in both human semen and testicular samples. These studies have put forward the hypothesis that small particles can enter the semen through the epididymis and seminal vesicles. Here, we performed qualitative and quantitative analyses of MPs in human testis, semen, and epididymis samples, as well as in testis, epididymis, seminal vesicle, and prostate samples from mice via pyrolysis-gas chromatography/mass spectrometry (Py-GC/MS). The goal of this approach was to comprehensively characterize the distribution of MPs within the male reproductive system. Additionally, we aimed to evaluate potential sources of MPs identified in semen, as well as to identify possible sources of overall MP exposure. Our results highlighted a general atlas of MPs in the male reproductive system and suggested that MPs in semen may originate from the epididymis, seminal vesicles, and prostate. An exposure questionnaire, coupled with the characteristics of the MPs detected in the male reproductive system, revealed that high urbanization, home-cooked meals, and using scrub cleansers were important sources of MP exposure in men. These findings may provide novel insights into alleviating the exposure of men to MPs.
- Subjects
MALE reproductive organs; SEMINAL vesicles; MICROPLASTICS; PYROLYSIS gas chromatography; TESTIS; SEMEN
- Publication
Environmental Science & Pollution Research, 2024, Vol 31, Issue 17, p25046
- ISSN
0944-1344
- Publication type
Article
- DOI
10.1007/s11356-024-32832-x