4.7 Article

Ecotoxicological effects and bioaccumulation of BPA analogues and their mixture in the clam Ruditapes philippinarum

Journal

MARINE ENVIRONMENTAL RESEARCH
Volume 192, Issue -, Pages -

Publisher

ELSEVIER SCI LTD
DOI: 10.1016/j.marenvres.2023.106228

Keywords

Bisphenol analogues; Mollusc; Bivalve; Biomarkers; Bioaccumulation; Antioxidants

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This study found that BPA analogues at environmentally relevant concentrations can affect clam cells and cause oxidative damage, suggesting that BPA analogues may be harmful compounds for clams.
Bisphenol A is recognized as an endocrine disruptor that can affect several biological processes in marine species. Consequently, its use has been restricted and it has been replaced with other similar compounds named bisphenol A analogues (BPA analogues). BPA analogues are speculatively considered safer compounds than BPA and their usage is increasing with a consequent higher environmental release. In this study, specimens of the clam Ruditapes philippinarum were exposed to three main BPA analogues, namely BPAF, BPF, BPS and their mixture at an environmentally relevant concentration of 300 ng/L for 7 and 14 days. Effects on biomarkers indicative of cytotoxicity, oxidative stress and damage and neurotoxicity were evaluated. In addition, bio-accumulation of the compound tested was analysed in clam soft tissues. Results showed that BPA analogues at an environment concentration affected cellular parameters and antioxidant system causing also oxidative damage, suggesting that BPA analogues can be harmful compounds for clams.

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