Article
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Tier 2
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Original research — experimental, observational, or case-control study. Direct primary evidence.
Human Health Effects
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The Kidney-Related Effects of Polystyrene Microplastics on Human Kidney Proximal Tubular Epithelial Cells HK-2 and Male C57BL/6 Mice
Environmental Health Perspectives2021
326 citations
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Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count.
Score: 65
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0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
This study found that polystyrene microplastics caused damage to human kidney cells in the lab and accumulated in the kidneys of mice. The microplastics triggered mitochondrial dysfunction, inflammation, and a cellular stress response called autophagy in kidney tissue. These results suggest that long-term microplastic exposure could be a risk factor for kidney disease.
The results suggest that PS-MPs caused mitochondrial dysfunction, ER stress, inflammation, and autophagy in kidney cells and accumulated in HK-2 cells and in the kidneys of mice. These results suggest that long-term PS-MPs exposure may be a risk factor for kidney health. https://doi.org/10.1289/EHP7612.