Open WL Archief (OWA)

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Het OWA, het open archief van het Waterbouwkundig Laboratorium heeft tot doel alle vrij toegankelijke onderzoeksresultaten van dit instituut in digitale vorm aan te bieden. Op die manier wil het de zichtbaarheid, verspreiding en gebruik van deze onderzoeksresultaten, alsook de wetenschappelijke communicatie maximaal bevorderen.

Dit archief wordt uitgebouwd en beheerd volgens de principes van de Open Access Movement, en het daaruit ontstane Open Archives Initiative.

Basisinformatie over ‘Open Access to scholarly information'.

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one publication added to basket [68123]
Vitellogenin content in European eel (Anguilla anguilla) in Flanders, Belgium Versonnen, B.J.; Goemans, G.; Belpaire, C.; Janssen, C.R. (2004). Vitellogenin content in European eel (Anguilla anguilla) in Flanders, Belgium. Environ. Pollut. 128(3): 363-371. http://dx.doi.org/10.1016/j.envpol.2003.09.013 In: Environmental Pollution. Elsevier: Barking. ISSN 0269-7491; e-ISSN 1873-6424, meer

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Beschikbaar in	Auteurs
VLIZ: Open Marine Archive 66130 [ download pdf ]

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Trefwoorden

Chemical elements > Metals > Alkaline earth metals > Calcium Chemistry > Chemicals > Organic compounds > Organic halogen compounds > Organochlorine compounds > Pesticides > Organochlorine pesticides Diseases > Organic diseases > Diseases > Endocrine diseases Ions > Anions > Phosphate Pcb Rocks > Igneous rocks > Volcanic rocks > Basalts > Alkali basalts

Author keywords

alkali labile phosphate; calcium; endocrine disruption; organochlorinepesticides; PCB

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Auteurs		Top
Versonnen, B.J. Goemans, G., meer Belpaire, C., meer Janssen, C.R., meer

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Abstract

As part of a large-scale monitoring program of bioaccumulating contaminants in the European eel (Anguilla anguilla) in Flanders (Belgium), we investigated potential effects of xenoestrogens in these fish. The present paper describes the results of the plasma vitellogenin (VTG) content, measured in 142 eels sampled at 20 different locations, in relation to the internal pollution levels. To validate the blood VTG assays, a small number of eels (n=8) was exposed to 10 µg ethinylestradiol/l (EE2) for 9 days. In this experiment, VTG was detected as a protein with a molecular weight of 214 kDa and confirmed by Western blotting. Compared with the solvent controls, significantly higher concentrations of VTG were measured in EE2 exposed eel. However, the VTG content was relatively low compared with other fish species exposed to high concentrations of estrogens. The plasma VTG content of eels from the field study was very low, despite a very high internal load of endocrine disrupters. These results, together with previously published studies, suggest that immature yellow European eel might not be the best sentinel species to study the effects of estrogenic compounds on VTG levels of wild fish populations.

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