Polyethylene and Polyvinyl Chloride Nanoplastics in Human Follicular Fluid and Seminal Plasma: Impact on Fertilization and Sperm Quality.

IF 15.8 1区 材料科学 Q1 CHEMISTRY, MULTIDISCIPLINARY
ACS Nano Pub Date : 2025-07-21 DOI:10.1021/acsnano.5c00918
Feifei Kong,Lu Fang,Yuanyuan Gui,Hongyan Lan,Panpan Zhao,Yinli Zhang,Lingying Jiang,Songying Zhang,Xiaomei Tong
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Abstract

Plastic pollution is a growing global issue, with nanoplastics (NPs) posing a greater threat than microplastics. Micro/nanoplastics have been detected in various human tissues and bodily fluids, but their impacts on human fertility remain unclear. We used pyrolysis gas chromatography-mass spectrometry (Py-GC/MS) with liquid extraction to detect NPs in the follicular fluid (FF) and seminal plasma (SP) of 51 couples undergoing in vitro fertilization (IVF) to investigate the impact of NPs on fertility. In our study, polyethylene (PE) and polyvinyl chloride (PVC) were the most frequently detected NPs. In FF, the average PE and PVC concentrations were 1.21 μg/g and 1.85 μg/g, respectively, whereas in SP, they were 3.02 μg/g and 2.67 μg/g, respectively. For NPs in FF, no significant association was detected between PE or PVC levels and the ovarian reserve, whereas IVF data indicated that higher PE concentrations in the T2 and T3 groups were associated with significantly lower fertilization rates than those in the low-concentration T1 group (p = 0.0003, p = 0.007, respectively), a trend similar to that observed for PVC (p = 0.009, p = 0.008, respectively). For the NPs in SP, the PVC concentration was associated with reduced sperm motility (p-trend = 0.044), whereas no significant difference was observed among the PE or PVC groups according to the IVF data. Neither maternal nor paternal levels of NPs were significantly associated with embryo implantation or clinical pregnancy. In conclusion, these results indicate that NPs are detectable in both FF and SP, with PE and PVC nanoparticles adversely affecting fertilization rates and sperm quality.
人卵泡液和精浆中的聚乙烯和聚氯乙烯纳米塑料:对受精和精子质量的影响。
塑料污染是一个日益严重的全球性问题,纳米塑料比微塑料构成更大的威胁。在各种人体组织和体液中发现了微/纳米塑料,但它们对人类生育能力的影响尚不清楚。采用液相萃取的热解气相色谱-质谱联用技术(Py-GC/MS)检测51对试管婴儿(IVF)夫妇卵泡液(FF)和精浆(SP)中NPs的含量,探讨NPs对生育能力的影响。在我们的研究中,聚乙烯(PE)和聚氯乙烯(PVC)是最常见的NPs。FF中PE和PVC的平均浓度分别为1.21和1.85 μg/g, SP中PE和PVC的平均浓度分别为3.02和2.67 μg/g。对于FF的NPs, PE或PVC水平与卵巢储备之间没有显著关联,而试管婴儿数据显示,T2和T3组PE浓度较高,受精率显著低于低浓度T1组(p = 0.0003, p = 0.007),这一趋势与PVC相似(p = 0.009, p = 0.008)。对于SP中的NPs, PVC浓度与精子活力降低相关(p趋势= 0.044),而根据IVF数据,PE组和PVC组之间无显著差异。母亲和父亲的NPs水平与胚胎植入或临床妊娠均无显著相关性。综上所述,这些结果表明,NPs在FF和SP中均可检测到,PE和PVC纳米颗粒对受精率和精子质量有不利影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
ACS Nano
ACS Nano 工程技术-材料科学:综合
CiteScore
26.00
自引率
4.10%
发文量
1627
审稿时长
1.7 months
期刊介绍: ACS Nano, published monthly, serves as an international forum for comprehensive articles on nanoscience and nanotechnology research at the intersections of chemistry, biology, materials science, physics, and engineering. The journal fosters communication among scientists in these communities, facilitating collaboration, new research opportunities, and advancements through discoveries. ACS Nano covers synthesis, assembly, characterization, theory, and simulation of nanostructures, nanobiotechnology, nanofabrication, methods and tools for nanoscience and nanotechnology, and self- and directed-assembly. Alongside original research articles, it offers thorough reviews, perspectives on cutting-edge research, and discussions envisioning the future of nanoscience and nanotechnology.
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