Effects of Polystyrene Microplastic Exposure on Liver Cell Damage, Oxidative Stress, and Gene Expression in Juvenile Crucian Carp (Carassius Auratus)

Gauging the effects of a chronic exposure to polystyrene nanoplastics in the liver and intestine of Carassius auratus

Effects of Polystyrene Microplastic Exposure on Liver Cell Damage, Oxidative Stress, and Gene Expression in Juvenile Crucian Carp (Carassius auratus)

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Researchers exposed young crucian carp to polystyrene microplastics at different concentrations and found dose-dependent liver damage, with higher concentrations causing more severe tissue injury and weaker antioxidant defenses. The microplastics disrupted genes involved in detoxification and stress response in liver cells. Since crucian carp is a commonly consumed freshwater fish, these findings raise questions about whether microplastic-contaminated fish could affect the health of people who eat them.

Polyethylene Microplastics Induce Concentration- and Time-Dependent Hematophysiological Impairment and Oxidative Stress Following Tissue Accumulation in Rock Bream (Oplegnathus Fasciatus)

New Insights into the Effects of Polystyrene Microplastics on Freshwater Fish, Labeo rohita: Assessment on Histopathology, Mineral Composition, Bioaccumulation and Antioxidant Activity

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Researchers fed Labeo rohita fish diets containing up to 2.5% polystyrene microplastics over 90 days and found dose-dependent intestinal damage, reduced antioxidant enzyme activity, altered mineral composition in muscle tissue, and bioaccumulation of particles, suggesting risks to farmed fish health and potentially to people who consume them.

Oxidative damage and intestinal microbial imbalance induced by polystyrene microplastics and cadmium in zebrafish (Danio rerio)