Article (Scientific journals)
Proteomic response of Macrobrachium rosenbergii hepatopancreas exposed to chlordecone: Identification of endocrine disruption biomarkers?
Lafontaine, Anne; Baiwir, Dominique; Joaquim-Justo, Célia et al.
2017In Ecotoxicology and Environmental Safety, 141, p. 306-314
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Abstract :
[en] The present work is the first study investigating the impacts of chlordecone, an organochlorine insecticide, on the proteome of the decapod crustacean Macrobrachium rosenbergii, by gel-free proteomic analysis of the hepatopancreas protein expression variations in organisms exposed to three environmental relevant concentrations of chlordecone (i.e. 0.2, 2 and 20 μg/L). Results revealed that 62 proteins were significantly up- or down-regulated in exposed prawns compared to controls. Most of these proteins are involved in important physiological processes such as ion transport, defense mechanisms and immune system, cytoskeleton dynamics, or protein synthesis and degradation. Moreover, it appears that 6% of the deregulated protein are involved in the endocrine system and in the hormonal control of reproduction or development processes of M. rosenbergii (e.g. vitellogenin, farnesoic acid omethyltransferase). These results indicate that chlordecone is potentially an endocrine disruptor compound for decapods, as already observed in vertebrates. These protein modifications could lead to disruptions of growth and reproduction of M. rosenbergii, and therefore of the fitness population on the long-term. Besides, these disrupted proteins could be suggested as biomarkers of exposure for endocrine disruptions in invertebrates. However, further investigations are needed to complete understanding of action mechanisms of chlordecone on proteome and endocrine system of crustaceans.
Disciplines :
Environmental sciences & ecology
Author, co-author :
Lafontaine, Anne ;  Université de Liège > Département de Biologie, Ecologie et Evolution > Ecologie animale et écotoxicologie
Baiwir, Dominique  ;  Université de Liège > GIGA-Technology platforms : Plate-forme protéomique
Joaquim-Justo, Célia ;  Université de Liège > Département de Biologie, Ecologie et Evolution > Ecologie animale et écotoxicologie
De Pauw, Edwin  ;  Université de Liège > Département de chimie (sciences) > Laboratoire de spectrométrie de masse (L.S.M.)
Lemoine, Soazig
Boulangé-Lecomte, Céline
Forget-Leray, Joelle
Thomé, Jean-Pierre ;  Université de Liège > Département de Biologie, Ecologie et Evolution > Ecologie animale et écotoxicologie
Gismondi, Eric ;  Université de Liège > Département de Biologie, Ecologie et Evolution > Ecologie animale et écotoxicologie
Language :
English
Title :
Proteomic response of Macrobrachium rosenbergii hepatopancreas exposed to chlordecone: Identification of endocrine disruption biomarkers?
Publication date :
March 2017
Journal title :
Ecotoxicology and Environmental Safety
ISSN :
0147-6513
eISSN :
1090-2414
Publisher :
Elsevier, Atlanta, United States - Florida
Volume :
141
Pages :
306-314
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 28 March 2017

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