Lipidomic alterations in oysters caused by environmentally relevant exposure to microplastics and estrogenic endocrine disrupting chemicals

Sazal Kumar; Wayne O’Connor; Steven D. Melvin; Frédéric D.L. Leusch; Allison C. Luengen; Rafiquel Islam; Chenglong Ji; Junfei Zhan; Geoff R. MacFarlane

doi:10.1007/s10646-026-03055-2

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Lipidomic alterations in oysters caused by environmentally relevant exposure to microplastics and estrogenic endocrine disrupting chemicals

Ecotoxicology 2026

Sazal Kumar, Wayne O’Connor, Steven D. Melvin, Frédéric D.L. Leusch, Allison C. Luengen, Rafiquel Islam, Chenglong Ji, Junfei Zhan, Geoff R. MacFarlane

Summary

Researchers examined how environmentally relevant exposure to microplastics and estrogenic endocrine-disrupting chemicals affected lipid profiles in oysters. The study found that estrogens were more bioavailable than microplastics in oysters, and that the amplification of endocrine disruptor effects by smooth-surfaced polyethylene microplastics was relatively low in molluscs.

Polymers

PE

Body Systems

Endocrine

UNLABELLED: Microplastics and estrogens affect oysters differently. Estrogens are more bioavailable than microplastics in oysters. Amplification of EEDC effects by microplastics was low in molluscs. Incubation of EEDCs with smooth surfaced PE-MPs did not increase adsorption. Oysters showed different adaptive responses at low MPs and EEDCs exposure. SUPPLEMENTARY INFORMATION: The online version contains supplementary material available at 10.1007/s10646-026-03055-2.

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