Integrated Biomarker Responses in European Seabass Dicentrarchus Labrax (Linnaeus, 1758) Chronically Exposed to Pvc Microplastics

Integrated biomarker responses in European seabass Dicentrarchus labrax (Linnaeus, 1758) chronically exposed to PVC microplastics

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Researchers examined chronic PVC microplastic exposure in European seabass and found integrated biomarker responses indicating liver oxidative stress, altered blood biochemistry, and immune modulation after long-term ingestion at environmentally relevant levels.

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

Changes in hematological parameters and plasma components of olive flounder, Paralichthys olivaceus exposed to acute microplastics

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Researchers exposed juvenile olive flounder to polyethylene microplastics at concentrations up to 2,500 mg/L for 96 hours and observed significant reductions in blood glucose, cholesterol, calcium, and liver enzyme AST without causing mortality. These findings indicate that acute microplastic exposure induces measurable blood physiological disruptions in fish even at sublethal doses.

Multi-omics analysis reveals polyethylene microplastics-induced gill damage, metabolic disruption and immune dysregulation in Lateolabrax maculatus

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Researchers exposed spotted sea bass (Lateolabrax maculatus) to dietary polyethylene microplastics and found that even moderate concentrations caused gill tissue damage, oxidative stress, and immune dysregulation by disrupting energy metabolism and NF-κB inflammatory pathways, with most effects showing partial recovery after a 14-day depuration period.

Physiological Alterations and Immune Modulation in Fish Exposed to Microplastics

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Researchers reviewed the physiological and immunological effects of microplastic exposure in fish, finding that these particles smaller than 5 mm induce a range of biological disruptions including immune modulation, oxidative stress, and systemic health impacts with broader implications for aquatic ecosystem integrity.