P07-43 Subchronic exposure to polystyrene microplastic provokes intestinal damage in gilthead seabreams (Sparus aurata)

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

Impact of polystyrene microplastic exposure on gilthead seabream (Sparus aurata Linnaeus, 1758): Differential inflammatory and immune response between anterior and posterior intestine

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Researchers fed gilthead seabream polystyrene microplastics for 21 days and found they triggered inflammation and immune disruption in both sections of the intestine, with the rear portion more severely affected. The microplastics activated inflammatory signaling pathways and weakened the gut barrier by reducing tight junction proteins. The findings suggest microplastic ingestion could compromise gut health and immune function in fish.

Effect of polystyrene microplastics and temperature on growth, intestinal histology and immune responses of brine shrimp Artemia franciscana

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Researchers exposed brine shrimp to polystyrene microplastics at different temperatures, finding that higher plastic concentrations combined with warmer water reduced survival, damaged intestinal tissue, and triggered immune stress responses — suggesting climate change may amplify microplastic harm in marine ecosystems.

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

A multifaceted assessment of the effects of polyethylene microplastics on juvenile gilthead seabreams (Sparus aurata)

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Researchers examined the effects of polyethylene microplastic ingestion on juvenile gilthead seabream using multiple diagnostic approaches, assessing impacts across molecular, cellular, and organismal levels to better understand microplastic toxicity in fish.