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Article Tier 2 Food & Water Human Health Effects Nanoplastics Sign in to save

Long-Term Exposure to Nanoplastics Facilitates the Development and Progression of Metabolic Dysfunction-Associated Steatotic Liver Disease by Stimulating Hedgehog Signaling

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Chronic Nanoplastic Exposure Promotes the Development and Progression of Metabolic Dysfunction‐Associated Steatotic Liver Disease

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This study found that chronic exposure to nanoplastics promotes the development and worsening of metabolic dysfunction-associated steatotic liver disease (formerly known as fatty liver disease). Nanoplastics appear to increase vulnerability to liver disease progression. The finding is concerning because fatty liver disease is already widespread, and everyday nanoplastic exposure through food and water could be making it worse.

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Microplastics, nanoplastics and liver disease: an emerging health concern?

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Researchers reviewed emerging evidence that microplastics and nanoplastics accumulate in human liver tissue at increasing concentrations over the past decade, trigger oxidative stress, fibrogenesis, and inflammation in cell and animal models, and may carry microbial pathogens and endocrine-disrupting chemicals, introducing the concept of plastic-induced liver injury as a new focus for environmental hepatology.

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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.

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Disruption of lipid metabolism under plastic siege: Unraveling the toxic mechanisms of microplastics and nanoplastics

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Researchers reviewed how microplastics and nanoplastics disrupt lipid metabolism across multiple animal species, finding they inhibit digestive enzymes, alter gut microbiota, dysregulate fat storage and breakdown, and activate inflammatory signaling pathways — causing both acute and chronic metabolic damage.

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