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Combined toxicity and mechanisms of polystyrene nanoplastic co-exposed with bisphenol A/bisphenol AF in mouse macrophages RAW264.7
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This research reviewed evidence on microplastic health impacts, synthesizing findings from toxicological studies, human biomonitoring, and epidemiological data to assess risks from ingestion, inhalation, and dermal exposure. The review identifies the most concerning health endpoints including inflammation, endocrine disruption, and potential carcinogenicity while noting significant data gaps.
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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.
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.
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Microplastics and nanoplastics in human health: a comprehensive review of exposure pathways, cellular mechanisms, and toxicological implications
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Researchers reviewed human exposure pathways to microplastics and nanoplastics through seafood, salt, drinking water, inhalation, and skin contact, examining how these particles cross biological barriers to reach organs and trigger oxidative stress, inflammation, and endocrine disruption with poorly understood long-term consequences.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.