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Nanoplastics, Gut Microbiota, and Neurodegeneration
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Nanoplastics ingested via contaminated food and water can cross biological barriers and accumulate in gut tissue, where they disrupt the gut microbiota and may trigger neuroinflammatory pathways linked to neurodegenerative disease. This gut-brain axis disruption represents one of the most concerning potential mechanisms by which chronic nanoplastic exposure could harm human health.
Plastics are high molecular weight organic polymers and their production has increased drastically, i.e., 150 times from l950 to 2015. Plastics in the environment are persistent form of a pollutant. Especially, Microplastics (MPs)...
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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.
Impact of Micro-nanoplastics on Gut and Immune Function
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This review examined how micro- and nanoplastics disrupt gut microbiota and immune function across aquatic and terrestrial vertebrates, with implications for human health. Because the gut microbiome governs immune regulation and metabolic health, microplastic-induced dysbiosis represents a plausible mechanism by which plastic ingestion could drive systemic inflammation and disease beyond the GI tract.
Mechanistic insight of neurodegeneration due to micro/nano-plastic-induced gut dysbiosis.
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This review provided mechanistic insight into how micro/nano-plastic-induced gut dysbiosis drives neurodegeneration, tracing a pathway from intestinal microbiome disruption to neuroinflammation and brain damage. It identified the gut-brain axis as the critical link between plastic particle exposure and progressive neurodegenerative conditions.
Gut microbiome alterations associated with microplastics: Underestimated risk from tiny particle
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This review pulls together existing research showing that tiny plastic particles, found in our food, water, and even air, can disrupt the balance of bacteria living in our gut, and this disruption has been linked to problems ranging from digestive diseases to effects on the brain, liver, and reproductive system in animal studies. The catch: scientists still struggle to accurately detect and measure these particles in the body, meaning our real-world exposure and its health effects are likely underestimated. Bottom line, microplastics may be quietly messing with your gut health in ways we're only beginning to understand and measure.
Nanoplastics linked to Parkinson’s and some types of dementia – new study
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Researchers found that microscopic polystyrene nanoplastic flakes can enter brain cells in mice and trigger cellular damage associated with Parkinson's disease and certain forms of dementia, providing early mechanistic evidence linking nanoplastic brain exposure to neurodegenerative outcomes.
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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.