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Cited by 258

The DOI matches its Crossref record; 38 of the 38 references it cites were found in a registry or an index.

Exposure to polystyrene microplastics impairs gonads of zebrafish (Danio rerio)

Qiang, Liyuan, Cheng, Jinping·2021·Chemosphere

Abstract

Microplastic contamination poses a great threat to the health of aquatic species, which may affect their reproduction and result in ecological consequences. There is a need to further elucidate the potential impact microplastics can impose on aquatic species. In this study, the effects of exposure to polystyrene microplastics on reproductive organs, and the underlying response mechanisms, were investigated using zebrafish Danio rerio. After 21 days of continuous waterborne exposure, no significant difference was observed at the lower concentration of 10 μg/L. At concentrations above 100 μg/L, significantly enhanced reactive oxygen species (ROS) level was found in both male and female liver and gonads. At the concentration of 1000 μg/L, significantly increased apoptosis levels were observed in male testes, triggering increased expression of p53-mediated apoptotic pathways; histological alteration in the form of a significant decrease in testis basement membrane thickness was also observed. This study demonstrated that exposure to microplastics can induce molecular responses and histological alterations in fish gonads, implying potential adverse impact on fish reproductive organs. This work provided new insights on the reproductive damage microplastics can cause in fish and have implications in fields of freshwater ecology and environmental toxicology.

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Metadata

Authors
Qiang, L., & Cheng, J.
Venue
Chemosphere
Publisher
Elsevier BV
Published
2021-01
Volume
263
Pages
128161
ISSN
0045-6535 (ISSN-L)
OpenAlex
W3081997571
Cited by
258
References
38
FWCI
5.62
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Exposure to polystyrene microplastics impairs gonads of zebrafish (Danio rerio). https://app.cochat.ai/papers/10.1016/j.chemosphere.2020.128161
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Qiang, L., & Cheng, J. (2021). Exposure to polystyrene microplastics impairs gonads of zebrafish (Danio rerio). Chemosphere. https://doi.org/10.1016/j.chemosphere.2020.128161

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