In vivo effects of environmental concentrations of produced water on the reproductive function of polar cod (Boreogadus saida).
Identifieur interne : 000338 ( Main/Exploration ); précédent : 000337; suivant : 000339In vivo effects of environmental concentrations of produced water on the reproductive function of polar cod (Boreogadus saida).
Auteurs : P. Geraudie ; J. Nahrgang ; J. Forget-Leray ; C. Minier ; L. CamusSource :
- Journal of toxicology and environmental health. Part A [ 1528-7394 ] ; 2014.
English descriptors
- KwdEn :
- Animals, Bile (metabolism), Biomarkers (blood), Cytochrome P-450 CYP1A1 (metabolism), Endocrine Disruptors (toxicity), Endocrine System (drug effects), Endocrine System (metabolism), Environmental Exposure (analysis), Female, Gadiformes (physiology), Liver (drug effects), Liver (metabolism), Male, North Sea, Ovary (drug effects), Ovary (metabolism), Polycyclic Hydrocarbons, Aromatic (toxicity), Reproduction (drug effects), Seawater (chemistry), Steroids (blood), Testis (drug effects), Testis (metabolism), Vitellogenins (blood), Water Pollutants, Chemical (toxicity).
- MESH :
- chemical , blood : Biomarkers, Steroids, Vitellogenins.
- chemical , toxicity : Polycyclic Hydrocarbons, Aromatic, Water Pollutants, Chemical.
- geographic : North Sea.
- analysis : Environmental Exposure.
- chemistry : Seawater.
- drug effects : Endocrine System, Liver, Ovary, Reproduction, Testis.
- metabolism : Bile, Cytochrome P-450 CYP1A1, Endocrine System, Liver, Ovary, Testis.
- physiology : Gadiformes.
- chemical , toxicity : Endocrine Disruptors.
- Animals, Female, Male.
Abstract
Offshore oil and gas drilling processes generate operational discharges such as produced water (PW), a complex mixture of seawater with polycyclic aromatic hydrocarbons (PAH) and alkylphenols (AP). Some of these compounds may interact with the endocrine system of marine organisms and alter reproductive functions. In this study, polar cod were exposed for up to 28 d to a mixture of PAH, alkylated PAH, and AP simulating the composition of North Sea PW, at low and high concentrations (1:2000 and 1:1000 dilution of the original concentrate, respectively). Potential adverse effects of PW on polar cod physiology were investigated through biomarkers of biotransformation (hepatic ethoxyresorufin O-deethylase [EROD] activity and bile PAH metabolites), endocrine disruption (plasma vitellogenin [VTG] levels and sex steroid concentrations), and gonad histology. Plasma sexual steroid levels in fish were not markedly affected by PW exposure, while higher plasma VTG concentrations were measured in females exposed to the high PW treatment for 7 and 28 d. In males exposed to the higher PW concentration, inhibition of spermatogenesis was observed after 28 d in addition to increase of melano-macrophage occurrence in testis. Females exposed to the high PW treatment for 21 d showed a significant increase of atresia incidence. Finally, a significant decrease in oocyte number was observed in high PW exposed female ovaries after 28 d of exposure.
DOI: 10.1080/15287394.2014.887420
PubMed: 24754392
Affiliations:
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Geraudie</name><affiliation><nlm:affiliation>a UMR SEBIO - SFR 4116 SCALE, University of Le Havre. ComUE Normandie University.</nlm:affiliation><wicri:noCountry code="subField">University of Le Havre</wicri:noCountry></affiliation></author><author><name sortKey="Nahrgang, J" sort="Nahrgang, J" uniqKey="Nahrgang J" first="J" last="Nahrgang">J. Nahrgang</name></author><author><name sortKey="Forget Leray, J" sort="Forget Leray, J" uniqKey="Forget Leray J" first="J" last="Forget-Leray">J. Forget-Leray</name></author><author><name sortKey="Minier, C" sort="Minier, C" uniqKey="Minier C" first="C" last="Minier">C. Minier</name></author><author><name sortKey="Camus, L" sort="Camus, L" uniqKey="Camus L" first="L" last="Camus">L. Camus</name></author></analytic><series><title level="j">Journal of toxicology and environmental health. 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Some of these compounds may interact with the endocrine system of marine organisms and alter reproductive functions. In this study, polar cod were exposed for up to 28 d to a mixture of PAH, alkylated PAH, and AP simulating the composition of North Sea PW, at low and high concentrations (1:2000 and 1:1000 dilution of the original concentrate, respectively). Potential adverse effects of PW on polar cod physiology were investigated through biomarkers of biotransformation (hepatic ethoxyresorufin O-deethylase [EROD] activity and bile PAH metabolites), endocrine disruption (plasma vitellogenin [VTG] levels and sex steroid concentrations), and gonad histology. Plasma sexual steroid levels in fish were not markedly affected by PW exposure, while higher plasma VTG concentrations were measured in females exposed to the high PW treatment for 7 and 28 d. In males exposed to the higher PW concentration, inhibition of spermatogenesis was observed after 28 d in addition to increase of melano-macrophage occurrence in testis. Females exposed to the high PW treatment for 21 d showed a significant increase of atresia incidence. Finally, a significant decrease in oocyte number was observed in high PW exposed female ovaries after 28 d of exposure.</div></front></TEI><affiliations><list></list><tree><noCountry><name sortKey="Camus, L" sort="Camus, L" uniqKey="Camus L" first="L" last="Camus">L. Camus</name><name sortKey="Forget Leray, J" sort="Forget Leray, J" uniqKey="Forget Leray J" first="J" last="Forget-Leray">J. Forget-Leray</name><name sortKey="Geraudie, P" sort="Geraudie, P" uniqKey="Geraudie P" first="P" last="Geraudie">P. Geraudie</name><name sortKey="Minier, C" sort="Minier, C" uniqKey="Minier C" first="C" last="Minier">C. Minier</name><name sortKey="Nahrgang, J" sort="Nahrgang, J" uniqKey="Nahrgang J" first="J" last="Nahrgang">J. Nahrgang</name></noCountry></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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