Estrogenic activity of tropical fish food can alter baseline vitellogenin concentrations in male fathead minnow (Pimephales promelas)
Identifieur interne : 000E32 ( Istex/Corpus ); précédent : 000E31; suivant : 000E33Estrogenic activity of tropical fish food can alter baseline vitellogenin concentrations in male fathead minnow (Pimephales promelas)
Auteurs : Nicola Beresford ; Jayne V. Brian ; Tamsin J. Runnalls ; John P. Sumpter ; Susan JoblingSource :
- Environmental Toxicology and Chemistry [ 0730-7268 ] ; 2011-05.
English descriptors
Abstract
Vitellogenin (VTG) is a precursor of egg‐yolk protein and is therefore present at high concentrations in the plasma of female fish. In male fish, VTG concentrations are usually undetectable or low but can be induced upon exposure to estrogenic substances either via the water or the diet. This work was performed to determine the reason for the apparently elevated VTG concentrations in unexposed stock male fathead minnow maintained in our laboratory. The results showed clearly that some of the food given to the fish was estrogenic and that replacement of this with nonestrogenic food led to a significant reduction in the basal VTG levels measured in male fish after a six‐month period. This reduction in male VTG concentrations drastically increased the sensitivity of the VTG test in further studies carried out with these fish. Moreover, a review of published concentrations of VTG in unexposed male fathead minnow suggests that this problem may exist in other laboratories. The fathead minnow is a standard ecotoxicological fish test species, so these findings will be of interest to any laboratory carrying out fish tests on endocrine‐disrupting chemicals. Environ. Toxicol. Chem. 2011; 30:1139–1145. © 2011 SETAC
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DOI: 10.1002/etc.479
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ISTEX:BCE3B4AD83A607A93A51F440D1C66B578A862E6ALe document en format XML
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In male fish, VTG concentrations are usually undetectable or low but can be induced upon exposure to estrogenic substances either via the water or the diet. This work was performed to determine the reason for the apparently elevated VTG concentrations in unexposed stock male fathead minnow maintained in our laboratory. The results showed clearly that some of the food given to the fish was estrogenic and that replacement of this with nonestrogenic food led to a significant reduction in the basal VTG levels measured in male fish after a six‐month period. This reduction in male VTG concentrations drastically increased the sensitivity of the VTG test in further studies carried out with these fish. Moreover, a review of published concentrations of VTG in unexposed male fathead minnow suggests that this problem may exist in other laboratories. The fathead minnow is a standard ecotoxicological fish test species, so these findings will be of interest to any laboratory carrying out fish tests on endocrine‐disrupting chemicals. Environ. Toxicol. Chem. 2011; 30:1139–1145. © 2011 SETAC</div></front></TEI><istex><corpusName>wiley</corpusName><author><json:item><name>Nicola Beresford</name><affiliations><json:string>Institute for the Environment, Brunel University, Uxbridge, Middlesex, United Kingdom</json:string><json:string>Institute for the Environment, Brunel University, Uxbridge, Middlesex, United Kingdom</json:string></affiliations></json:item><json:item><name>Jayne V. Brian</name><affiliations><json:string>Institute for the Environment, Brunel University, Uxbridge, Middlesex, United Kingdom</json:string></affiliations></json:item><json:item><name>Tamsin J. 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In male fish, VTG concentrations are usually undetectable or low but can be induced upon exposure to estrogenic substances either via the water or the diet. This work was performed to determine the reason for the apparently elevated VTG concentrations in unexposed stock male fathead minnow maintained in our laboratory. The results showed clearly that some of the food given to the fish was estrogenic and that replacement of this with nonestrogenic food led to a significant reduction in the basal VTG levels measured in male fish after a six‐month period. This reduction in male VTG concentrations drastically increased the sensitivity of the VTG test in further studies carried out with these fish. Moreover, a review of published concentrations of VTG in unexposed male fathead minnow suggests that this problem may exist in other laboratories. The fathead minnow is a standard ecotoxicological fish test species, so these findings will be of interest to any laboratory carrying out fish tests on endocrine‐disrupting chemicals. Environ. Toxicol. 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The fathead minnow is a standard ecotoxicological fish test species, so these findings will be of interest to any laboratory carrying out fish tests on endocrine‐disrupting chemicals. Environ. Toxicol. 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affiliationRef="#af1"><personName><givenNames>John P.</givenNames><familyName>Sumpter</familyName></personName></creator><creator xml:id="au5" creatorRole="author" affiliationRef="#af1"><personName><givenNames>Susan</givenNames><familyName>Jobling</familyName></personName></creator></creators><affiliationGroup><affiliation xml:id="af1" countryCode="US" type="organization"><unparsedAffiliation>Institute for the Environment, Brunel University, Uxbridge, Middlesex, United Kingdom</unparsedAffiliation></affiliation></affiliationGroup><keywordGroup xml:lang="en" type="author"><keyword xml:id="kwd1">Vitellogenin</keyword><keyword xml:id="kwd2">Fathead minnow</keyword><keyword xml:id="kwd3">Fish diet</keyword><keyword xml:id="kwd4">Estrogenic food</keyword><keyword xml:id="kwd5"><i>Pimephales promelas</i></keyword></keywordGroup><abstractGroup><abstract type="main" xml:lang="en"><title type="main">Abstract</title><p>Vitellogenin (VTG) is a precursor of egg‐yolk protein and is therefore present at high concentrations in the plasma of female fish. In male fish, VTG concentrations are usually undetectable or low but can be induced upon exposure to estrogenic substances either via the water or the diet. This work was performed to determine the reason for the apparently elevated VTG concentrations in unexposed stock male fathead minnow maintained in our laboratory. The results showed clearly that some of the food given to the fish was estrogenic and that replacement of this with nonestrogenic food led to a significant reduction in the basal VTG levels measured in male fish after a six‐month period. This reduction in male VTG concentrations drastically increased the sensitivity of the VTG test in further studies carried out with these fish. Moreover, a review of published concentrations of VTG in unexposed male fathead minnow suggests that this problem may exist in other laboratories. The fathead minnow is a standard ecotoxicological fish test species, so these findings will be of interest to any laboratory carrying out fish tests on endocrine‐disrupting chemicals. Environ. Toxicol. Chem. 2011; 30:1139–1145. © 2011 SETAC</p></abstract></abstractGroup></contentMeta></header></component></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Estrogenic activity of tropical fish food can alter baseline vitellogenin concentrations in male fathead minnow (Pimephales promelas)</title></titleInfo><titleInfo type="abbreviated" lang="en"><title>Estrogenic food can alter baseline VTG concentrations in fish</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Estrogenic activity of tropical fish food can alter baseline vitellogenin concentrations in male fathead minnow (Pimephales promelas)</title></titleInfo><name type="personal"><namePart type="given">Nicola</namePart><namePart type="family">Beresford</namePart><affiliation>Institute for the Environment, Brunel University, Uxbridge, Middlesex, United Kingdom</affiliation><affiliation>Institute for the Environment, Brunel University, Uxbridge, Middlesex, United Kingdom</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Jayne V.</namePart><namePart type="family">Brian</namePart><affiliation>Institute for the Environment, Brunel University, Uxbridge, Middlesex, United Kingdom</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Tamsin J.</namePart><namePart type="family">Runnalls</namePart><affiliation>Institute for the Environment, Brunel University, Uxbridge, Middlesex, United Kingdom</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">John P.</namePart><namePart type="family">Sumpter</namePart><affiliation>Institute for the Environment, Brunel University, Uxbridge, Middlesex, United Kingdom</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Susan</namePart><namePart type="family">Jobling</namePart><affiliation>Institute for the Environment, Brunel University, Uxbridge, Middlesex, United Kingdom</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="article" displayLabel="article"></genre><originInfo><publisher>John Wiley & Sons, Inc.</publisher><place><placeTerm type="text">Hoboken, USA</placeTerm></place><dateIssued encoding="w3cdtf">2011-05</dateIssued><dateCaptured encoding="w3cdtf">2010-07-30</dateCaptured><dateValid encoding="w3cdtf">2010-11-04</dateValid><copyrightDate encoding="w3cdtf">2011</copyrightDate></originInfo><language><languageTerm type="code" authority="rfc3066">en</languageTerm><languageTerm type="code" authority="iso639-2b">eng</languageTerm></language><physicalDescription><internetMediaType>text/html</internetMediaType><extent unit="figures">4</extent><extent unit="tables">1</extent><extent unit="references">40</extent><extent unit="words">5021</extent></physicalDescription><abstract lang="en">Vitellogenin (VTG) is a precursor of egg‐yolk protein and is therefore present at high concentrations in the plasma of female fish. In male fish, VTG concentrations are usually undetectable or low but can be induced upon exposure to estrogenic substances either via the water or the diet. This work was performed to determine the reason for the apparently elevated VTG concentrations in unexposed stock male fathead minnow maintained in our laboratory. The results showed clearly that some of the food given to the fish was estrogenic and that replacement of this with nonestrogenic food led to a significant reduction in the basal VTG levels measured in male fish after a six‐month period. This reduction in male VTG concentrations drastically increased the sensitivity of the VTG test in further studies carried out with these fish. Moreover, a review of published concentrations of VTG in unexposed male fathead minnow suggests that this problem may exist in other laboratories. The fathead minnow is a standard ecotoxicological fish test species, so these findings will be of interest to any laboratory carrying out fish tests on endocrine‐disrupting chemicals. Environ. Toxicol. Chem. 2011; 30:1139–1145. © 2011 SETAC</abstract><subject lang="en"><genre>keywords</genre><topic>Vitellogenin</topic><topic>Fathead minnow</topic><topic>Fish diet</topic><topic>Estrogenic food</topic><topic>Pimephales promelas</topic></subject><relatedItem type="host"><titleInfo><title>Environmental Toxicology and Chemistry</title></titleInfo><titleInfo type="abbreviated"><title>Environmental Toxicology and Chemistry</title></titleInfo><genre type="journal">journal</genre><subject><genre>article-category</genre><topic>Environmental Toxicology</topic></subject><identifier type="ISSN">0730-7268</identifier><identifier type="eISSN">1552-8618</identifier><identifier type="DOI">10.1002/(ISSN)1552-8618</identifier><identifier type="PublisherID">ETC</identifier><part><date>2011</date><detail type="volume"><caption>vol.</caption><number>30</number></detail><detail type="issue"><caption>no.</caption><number>5</number></detail><extent unit="pages"><start>1139</start><end>1145</end><total>7</total></extent></part></relatedItem><identifier type="istex">BCE3B4AD83A607A93A51F440D1C66B578A862E6A</identifier><identifier type="DOI">10.1002/etc.479</identifier><identifier type="ArticleID">ETC479</identifier><accessCondition type="use and reproduction" contentType="copyright">Copyright © 2011 SETAC</accessCondition><recordInfo><recordContentSource>WILEY</recordContentSource><recordOrigin>John Wiley & Sons, Inc.</recordOrigin></recordInfo></mods></metadata><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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