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The DOI matches its Crossref record; 6 of the 6 references it cites were found in a registry or an index.

Polystyrene microplastic particles: In vitro pulmonary toxicity assessment

Dong, Cheng-Di, Chen, Chiu-Wen, Chen, Yi-Chun, Chen, Hung-Hsiang, Lee, Jin-Sun, Lin, Chia-Hua·2020·Journal of Hazardous Materials

Abstract

Microplastics (MPs) have become a global environmental concern. Recent studies have shown that MPs, of which the predominant type is often polystyrene (PS; known as PS-MPs), can extend to and affect remote, sparsely inhabited areas via atmospheric transport. Although exposure to inhaled MPs may induce lung dysfunction, further experimental verification of the pulmonary toxic potential of MPs and the mechanism underlying the toxicity is needed. Here we used normal human lung epithelial BEAS-2B cells to clarify the association between pulmonary toxicity and PS-MPs. Results revealed that PS-MPs can cause cytotoxic and inflammatory effects in BEAS-2B cells by inducing reactive oxygen species formation. PS-MPs can decrease transepithelial electrical resistance by depleting zonula occludens proteins. Indeed, decreased α1-antitrypsin levels in BEAS-2B cells suggest that exposure to PS-MPs increases the risk for chronic obstructive pulmonary disease, and high concentrations of PS-MPs can induce these adverse responses. While low PS-MP levels can only disrupt the protective pulmonary barrier, they may also increase the risk for lung disease. Collectively, our findings indicate that PS-MP inhalation may influence human respiratory health.

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Metadata

Authors
Dong, C.-D., Chen, C.-W., Chen, Y.-C., Chen, H.-H., Lee, J.-S., & Lin, C.-H.
Venue
Journal of Hazardous Materials
Publisher
Elsevier BV
Published
2020-03
Volume
385
Pages
121575
ISSN
0304-3894 (ISSN-L)
OpenAlex
W2987473186
Cited by
711
References
6
FWCI
12.98
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Polystyrene microplastic particles: In vitro pulmonary toxicity assessment. https://app.cochat.ai/papers/10.1016/j.jhazmat.2019.121575
The paper
Dong, C.-D., Chen, C.-W., Chen, Y.-C., Chen, H.-H., Lee, J.-S., & Lin, C.-H. (2020). Polystyrene microplastic particles: In vitro pulmonary toxicity assessment. Journal of Hazardous Materials. https://doi.org/10.1016/j.jhazmat.2019.121575

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