Effect of Polystyrene Nanoplastics and Their Chemically Loosened Models on Stem Cell Fate

Cellular Uptake and Nuclear Accumulation of Polystyrene Nanoplastics in 3T3 Fibroblasts and Hepatocytes of Rattus norvegicus

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Scientists found that tiny plastic particles called nanoplastics can get inside liver and connective tissue cells from rats, and even sneak into the cell's nucleus, where DNA is stored. Cells exposed to these plastics showed signs of stress and damage, including swelling and higher rates of cell death, suggesting these ultra-small plastic particles may be more harmful than previously thought. While this study used animal cells rather than human cells, it raises important questions about what everyday exposure to nanoplastics (found in food packaging, water, and other sources) might mean for our own cellular health.

Cellular and Animal Toxicities of Micro- and Nanoplastics

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Researchers reviewed evidence from cell and animal studies on the toxic effects of micro- and nanoplastics, finding that these particles can cause inflammation, oxidative stress, and organ damage in laboratory models, raising concern about what chronic low-level human exposure might mean for long-term health.

Physiological and Biochemical Effects of Polystyrene Micro/Nano Plastics on Arabidopsis Thaliana

Micro and Nanoplastics: Impact on Cellular Health and Neuro-Function

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Researchers reviewed how micro- and nanoplastics ubiquitous in air, water, and soil can enter cells and disrupt neurological function, with evidence linking MNP exposure to oxidative stress, cellular damage, and impairment of neural signaling pathways.