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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Santos, Gustavo Souza de Assis, Helena Cristina Silva Cestari, Marta Margarete Montone, Rosalinda Carmela de Marchi, Mary Rosa Rodrigues Dos Santos, Dayana Moscardi Yamamoto, Flavia Guiloski, Izonete Cristina de Oliveira Ribeiro, Ciro Alberto |
| Description | Author Affiliation: Dos Santos DM ( Department of Physical, Chemical and Geological Oceanography, Oceanographic Institute, Universidade de São Paulo, São Paulo, Brazil, dayana.moscardi@gmail.com.) |
| Abstract | The toxicity of butyltin compounds (BTs), mainly tributyltin (TBT), has been reported in different organisms. However, such an analysis in fish after field exposure with reference to the related biomarkers has not been commonly observed in the literature. This study presents the uptake of BTs in the liver of a neotropical marine catfish Cathorops spixii in Paranagua Bay, an important estuarine system located in southern Brazil. Two different areas, close to and distant from the harbor, were used for chemical analysis evaluation of hepatotoxicity through genetic, enzymatic, and histopathological biomarkers. The presence of polycyclic aromatic hydrocarbons in bile was also considered as a biomarker. The results showed a significant relationship between TBT levels and the inhibition of biotransformation enzymes and high occurrence of melanomacrophages in fish collected close to the harbor site. These effects were linked to the absence of TBT metabolites in the liver. In the second site, the presence of DBT was associated with an increase in EROD and GST activity. The larger amount of DNA damage as well as the highest oxidative stress was noted in fish from the less TBT-polluted area, where DBT and bile PAHs occurred. These findings showed different impact levels due to or increased by the chronic exposure of biota to BTs. |
| ISSN | 09441344 |
| Issue Number | 4 |
| Volume Number | 21 |
| e-ISSN | 16147499 |
| Journal | Environmental Science and Pollution Research |
| Language | English |
| Publisher | Springer |
| Publisher Date | 2014-02-01 |
| Publisher Place | Germany |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Catfishes Metabolism Trialkyltin Compounds Water Pollutants, Chemical Animals Bile Chemistry Cytochrome P-450 Cyp1a1 Dna Damage Glutathione Transferase Liver Drug Effects Enzymology Pathology Polycyclic Hydrocarbons, Aromatic Toxicity Journal Article Research Support, Non-u.s. Gov't Discipline Environmental Science Discipline Environmental Chemistry |
| Content Type | Text |
| Resource Type | Article |
| Subject | Environmental Chemistry Health, Toxicology and Mutagenesis Pollution Medicine |
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