Biochemical changes in the liver and gill of Cathorops spixii collected seasonally in two Brazilian estuaries under varying influences of anthropogenic activities

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dc.contributor.authorAzevedo, J. S.
dc.contributor.authorBraga, E. S.
dc.contributor.authorSilva de Assis, H. C.
dc.contributor.authorOliveira Ribeiro, C. A.
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.contributor.institutionUniv Fed Parana
dc.contributor.institutionUniversidade Federal de São Paulo (UNIFESP)
dc.date.accessioned2016-01-24T14:34:30Z
dc.date.available2016-01-24T14:34:30Z
dc.date.issued2013-10-01
dc.description.abstractIn order to understand environmental health by the use of a bioindicator species in estuaries, biochemical responses observed in the catfish Cathorops spixii such as catalase (CAT), glutathione-S-transferase (GST), lipid peroxidation (LPO) and acetylcholinesterase (AChE) were evaluated in liver and muscle. Furthermore, histological changes were also verified in liver and gills preparations. Fish were collected in three sites of the Santos-Sao Vicente estuary located at São Paulo (Brazil), subjected to varying levels of inputs of pollutants. for a reference site, specimens were sampled at Cananeia estuary at southern coast of São Paulo, a region with low anthropogenic influence. in general, no significant seasonal differences in antioxidant enzymes and lipid peroxidation responses were found in the organisms from the Cananeia estuary. However, in the polluted estuary (Santos-Sao Vicente), biochemical responses were observed by increases in GST hydroperoxides and decreases in AChE activities in the summer. Inhibition of AChE expression in fish from different areas of the Santos-Sao Vicente estuary in the summer was also found and can indicate neurotoxic effects in these organisms. Histopathological observation of gill and liver showed severe lesions, such as lamellar fusion and necrosis. (C) 2013 Elsevier Inc. All rights reserved.en
dc.description.affiliationUniv São Paulo, Oceanog Inst, São Paulo, Brazil
dc.description.affiliationUniv Fed Parana, Dept Farmacol, BR-81531990 Curitiba, Parana, Brazil
dc.description.affiliationUniv Fed Parana, Dept Biol Celular, BR-81531990 Curitiba, Parana, Brazil
dc.description.sourceWeb of Science
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.description.sponsorshipIDFAPESP: 2005/50769-2
dc.description.sponsorshipIDCAPES: BEX 2176/07-6
dc.description.sponsorshipIDCNPq: 305288/2009
dc.format.extent220-230
dc.identifierhttp://dx.doi.org/10.1016/j.ecoenv.2013.06.021
dc.identifier.citationEcotoxicology and Environmental Safety. San Diego: Academic Press Inc Elsevier Science, v. 96, p. 220-230, 2013.
dc.identifier.doi10.1016/j.ecoenv.2013.06.021
dc.identifier.issn0147-6513
dc.identifier.urihttp://repositorio.unifesp.br/handle/11600/36813
dc.identifier.wosWOS:000323872100032
dc.language.isoeng
dc.publisherElsevier B.V.
dc.relation.ispartofEcotoxicology and Environmental Safety
dc.rightsinfo:eu-repo/semantics/restrictedAccess
dc.rights.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dc.subjectBiomarkersen
dc.subjectHistopathologyen
dc.subjectBiomonitoringen
dc.subjectCathoropsen
dc.subjectCananeiaen
dc.subjectSantos-Sao Vicenteen
dc.titleBiochemical changes in the liver and gill of Cathorops spixii collected seasonally in two Brazilian estuaries under varying influences of anthropogenic activitiesen
dc.typeinfo:eu-repo/semantics/article
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