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Metal load and oxidative stress driven by organotin compounds on rainbow trout
Environmental Science and Pollution Research2021
10 citations
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Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count.
Score: 35
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Paolo Pastorino
Paolo Pastorino
Paolo Pastorino
Paolo Pastorino
Paolo Pastorino
Gabriele Magara,
Paolo Pastorino
Gabriele Magara,
Gabriele Magara,
Gabriele Magara,
Paolo Pastorino
Paolo Pastorino
Paolo Pastorino
Paolo Pastorino
Paolo Pastorino
Gabriele Magara,
Gabriele Magara,
Paolo Pastorino
Paolo Pastorino
Paolo Pastorino
Paolo Pastorino
Paolo Pastorino
Marino Prearo,
Marino Prearo,
Marino Prearo,
Marino Prearo,
Paolo Pastorino
Antonia Concetta Elia,
Paolo Pastorino
Paolo Pastorino
Paolo Pastorino
Paolo Pastorino
Antonia Concetta Elia,
Paolo Pastorino
Paolo Pastorino
Paolo Pastorino
Gabriele Magara,
Gabriele Magara,
Marino Prearo,
Marino Prearo,
Marino Prearo,
Paolo Pastorino
Ambrosius Josef Martin Dörr,
Paolo Pastorino
Marino Prearo,
Paolo Pastorino
Paolo Pastorino
Barbara Caldaroni,
Paolo Pastorino
Ambrosius Josef Martin Dörr,
Paolo Pastorino
Marino Prearo,
Barbara Caldaroni,
Paolo Pastorino
Maria Cesarina Abete,
Paolo Pastorino
Barbara Caldaroni,
Barbara Caldaroni,
Paolo Pastorino
Antonia Concetta Elia,
Marino Prearo,
Paolo Pastorino
Maria Cesarina Abete,
Paola Brizio,
Paola Brizio,
Ambrosius Josef Martin Dörr,
Marino Prearo,
Ambrosius Josef Martin Dörr,
Barbara Caldaroni,
Paolo Pastorino
Paolo Pastorino
Paolo Pastorino
Antonia Concetta Elia,
Marino Prearo,
Marino Prearo,
Marino Prearo,
Barbara Caldaroni,
Antonia Concetta Elia,
Antonia Concetta Elia,
Marino Prearo,
Antonia Concetta Elia,
Paolo Pastorino
Paolo Pastorino
Paolo Pastorino
Marino Prearo,
Marzia Righetti,
Paolo Pastorino
Paola Brizio,
Paolo Pastorino
Antonia Concetta Elia,
Marino Prearo,
Antonia Concetta Elia,
Paola Brizio,
Marino Prearo,
Marino Prearo,
Antonia Concetta Elia,
Maria Cesarina Abete,
Marino Prearo,
Marino Prearo,
Melissa Scoparo,
Maria Cesarina Abete,
Maria Cesarina Abete,
Antonia Concetta Elia,
Antonia Concetta Elia,
Marino Prearo,
Melissa Scoparo,
Maria Cesarina Abete,
Marino Prearo,
Paolo Pastorino
Maria Cesarina Abete,
Maria Cesarina Abete,
Antonia Concetta Elia,
Marino Prearo,
Marino Prearo,
Marino Prearo,
Marino Prearo,
Marino Prearo,
Paolo Pastorino
Marino Prearo,
Paolo Pastorino
Marino Prearo,
Antonia Concetta Elia,
Paolo Pastorino
Summary
Researchers injected rainbow trout with two forms of tributyltin — a toxic antifouling chemical once widely used in marine paints and now banned — and found that both compounds caused oxidative stress and altered antioxidant defenses in the liver within days. The findings confirm that tributyltin residues still present in aquatic environments pose ongoing ecotoxicological risks to freshwater fish.
Tributyltin-based (TBT) antifouling paints, widely used for the treatment of flooded surfaces, have been banned in 2008 for their high environmental persistence and bioaccumulation in aquatic organisms. Although it is still present in aquatic ecosystems, oxidative stress driven by TBT has been still poorly investigated in fish. The aim of the study was to examine the time-course stress responses in liver of rainbow trout that received a single intraperitoneal injection of tributyltin chloride (TBTC) or tributyltin ethoxide (TBTE), both at a dose of 0.05 and 0.5 mg/kg. Levels of metallothioneins, total glutathione, malondialdehyde, superoxide dismutase, catalase, glutathione peroxidase and glutathione S-transferase were evaluated at 3 and 6 days post-injection. Tin load was measured in the muscle of the same fish. Differences were observed in the time-course accumulation of tin with a clear dose-response relationship. Although individual oxidative stress biomarkers varied, the biomarker profile indicated different stress mechanisms caused by both TBTC and TBTE. The weak induction of metal-trapping metallothioneins and the changes of oxidative stress biomarkers suggested a stress-pressure in both TBT-treated trout, advising for an ecotoxicological risk for freshwater ecosystems.