Article (Scientific journals)
Estrogenic Evaluation and Organochlorine Identification in Blubber of North Sea Harbour Porpoise (Phocoena phocoena) Stranded on the North Sea Coast
Didimo Imazaki, Pedro Henrique; Brose, François; Jauniaux, Thierry et al.
2015In BioMed Research International, 2015 (Article ID 438295), p. 13
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Keywords :
harbour porpoise; North Sea; organochlorine compounds; estrogen receptor; reporter gene assay; PCB; DDT; HCH; HCB; GC-MS
Abstract :
[en] Thirteen individual organochlorine compounds at 3 concentrations (80, 400, and 2000 ng/mL culture medium), as well as mixtures, were assayed for the estrogen receptor (ER) activation or inhibition, using a luciferase reporter gene assay (RGA). None of the PCB 138, 153, or 180 or their mixture induced a response in the RGA. o,p'-DDT was the most potent xenoestrogen fromthe DDT group, inducing a response already at 80 ng/mL. From the HCH and HCB group, only 𝛽-HCH (at 400 and 2000 ng/mL) and 𝛿-HCH (at 2000 ng/mL) displayed estrogenic activities.These 13 organochlorines were determined by GC-MS in 12 samples of North Sea harbor porpoise blubber. The PCBs were the main contaminants. Within each group, PCB 153 (6.0 × 102∼4.2 × 104 𝜇g/kg), p,p'- DDE (5.1 × 102∼8.6 × 103 𝜇g/kg), and HCB (7.6 × 101∼1.5 × 103 𝜇g/kg) were the compounds found in highest concentrations.The hormonal activity of the porpoise blubber samples was also assayed in RGA, where two samples showed estrogenic activity, seven samples showed antiestrogenic activity, and one sample showed both estrogenic and antiestrogenic activity. Our results suggest that the 13 POPs measured by GC-MS in the samples cannot explain alone the estrogenicity of the extracts.
Research center :
FARAH - Fundamental and Applied Research for Animals and Health - ULiège
Disciplines :
Environmental sciences & ecology
Author, co-author :
Didimo Imazaki, Pedro Henrique ;  Université de Liège - ULiège > Doct. sc. vété. (Bologne)
Brose, François ;  Université de Liège > Département de sciences des denrées alimentaires (DDA) > Département de sciences des denrées alimentaires (DDA)
Jauniaux, Thierry ;  Université de Liège > Département de morphologie et pathologie > Département de morphologie et pathologie
Das, Krishna  ;  Université de Liège > Département de Biologie, Ecologie et Evolution > Océanologie
Muller, Marc  ;  Université de Liège > Département des sciences de la vie > GIGA-R : Biologie et génétique moléculaire
Scippo, Marie-Louise  ;  Université de Liège > Département de sciences des denrées alimentaires (DDA) > Analyse des denrées alimentaires
Language :
English
Title :
Estrogenic Evaluation and Organochlorine Identification in Blubber of North Sea Harbour Porpoise (Phocoena phocoena) Stranded on the North Sea Coast
Publication date :
2015
Journal title :
BioMed Research International
ISSN :
2314-6133
eISSN :
2314-6141
Publisher :
Hindawi
Volume :
2015
Issue :
Article ID 438295
Pages :
13 p.
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 20 May 2015

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