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Exposure to polystyrene nanoplastics impairs sperm metabolism and pre-implantation embryo development in mice

Frontiers in Cell and Developmental Biology 2025 10 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count.
Yingdong Liu, Fengdan Hao, Hao Liang, Wenqiang Liu, Yi Guo, Yi Guo

Summary

This study found that male mice given polystyrene nanoplastics by mouth showed significant harm to sperm function and early embryo development, with changes in gene expression that could affect offspring. The findings raise concerns that nanoplastic exposure could impair male fertility and potentially pass harmful effects to the next generation.

Polymers
Body Systems
Models

In conclusion, this study demonstrated that the oral gavage administration of polystyrene nanoplastics to male mice significantly affects male reproductive function, resulting in abnormalities in early embryonic development and alterations in associated gene expression profiles. These findings offer essential scientific insights for future research into sperm-mediated transgenerational effects and their impact on early embryonic development.

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