ArticleScientific reports2025
Polystyrene microplastics are internalized by human gingival fibroblasts, enhance cell motility and induce molecular changes revealed through proteomic analysis.
Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
1 citing paper in PubMed.
- Micro- and nanoplastics in periodontitis: mechanistic pathways and clinical implications.Frontiers in dental medicine · 2026Review
Corrections and comments
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Authors and funding
7 authors.
Funding
Abstract
Plastics pose a significant global threat to the ecosystems due to their accumulation and impact on human health. The degradation of plastics results in the formation of microplastics (MPs), small particles less than 5 mm in size, which are released into the environment. Polystyrene (PS) is a major chemical component of plastics, and exposure to PS-based microplastics (PS-MPs) has been linked to cellular damage. This study aimed to explore the effects of 1 μm PS-MPs on human gingival fibroblast cells (hGF). PS-MPs induced a limited cytotoxicity at the tested concentrations and time points. Confocal microscopy, TEM and flow cytometry revealed the uptake of PS-MPs in about 10% of hGF cells. Proteomics identified a profoundly altered proteostasis in PS-MPs treated cells. Enrichment analysis of differentially expressed proteins uncovered disruptions in cellular pathways, including metabolisms (glycolysis and adipogenesis), endocrine functions (androgen and oestrogen responses), inflammatory responses (interferons α and γ) and cancer progression (epithelial-mesenchymal transition). Consistent with the enrichment analysis, treated cells exhibited a significant increase in motility. This study demonstrated that PS-MPs are internalized by cells and influence key cellular pathways related to inflammation, motility, and survival, reinforcing the notion that PS-MP exposure may pose risks to human health.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.