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Dysregulation of gut health in zebrafish by differentially charged nanoplastic exposure: an integrated analysis of histopathology, immunology, and microbial informatics
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Researchers studied how nanoplastics with different surface charges affect gut health in zebrafish using histopathology, immunology, and microbial analysis. The study found that gut damage and microflora disturbance caused by nanoplastic ingestion significantly depended on the surface functional groups of the particles.
The gut damage and microflora disturbance caused by NP intake significantly depended on their surface functional groups.
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An integrated analysis of the fecal metabolome and metagenome reveals the distinct effects of differentially charged nanoplastics on the gut microbiota-associated metabolites in mice
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Researchers found that nanoplastics with different electrical charges affect gut bacteria and metabolites in distinct ways in mice. The study identified specific fecal biomarkers linked to intestinal changes caused by nanoplastic exposure, suggesting these markers could help predict intestinal impacts in a charge-dependent manner.
Weathering chemistry shapes the gut microbiome-metabolome-transcriptome response of adult zebrafish to aged polyethylene microplastics.
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Researchers aged polyethylene microplastics using different chemical processes (acids, a base, or UV light and water) then fed them to zebrafish. The way the plastic was aged changed its surface damage and led to different effects on gut bacteria, gut chemicals, and gene activity, showing that aged microplastics cannot be treated as one single category.
[Biological Effect of Microplastics with Different Functional Groups on the Bacterial Communities and Metabolic Functions of Zebrafish (Danio rerio) Embryos].
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Researchers exposed zebrafish embryos to polystyrene microplastics with different functional groups (neutral, amino, and carboxyl) and found that surface chemistry significantly determines the degree of microplastic accumulation and disruption of gut bacterial communities and metabolic functions.
Micro/nanoplastic-mediated gut dysbiosis and its impact on cardiac and neuroimmune function in zebrafish model: A multi-omics approach
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This review examines how micro- and nanoplastic exposure disrupts gut microbiome balance and its downstream effects on cardiac and neuroimmune function, primarily using zebrafish as a model. The study suggests that chronic exposure alters gut barrier integrity and microbial composition, triggering systemic consequences including neurotoxicity and cardiotoxicity, with findings showing translational relevance to human health outcomes.
Perturbation of gut microbiota plays an important role in micro/nanoplastics-induced gut barrier dysfunction
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Researchers investigated how micro- and nanoplastics disrupt gut barrier function in mice, finding that different surface chemistries caused varying levels of damage. The study suggests that these plastic particles harm the gut by altering the gut microbiome, which then leads to inflammation and weakening of the intestinal barrier that normally keeps harmful substances out of the body.
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