Research Topics
| Krishna DasSummaryCountry: Belgium Publications
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Detail Information
Publications
Mercury immune toxicity in harbour seals: links to in vitro toxicityKrishna Das
Laboratoire d Océanologie, Centre de Recherche MARE, B6c, Universite de Liege, Liege, Belgium
Environ Health 7:52. 2008....
White-sided dolphin metallothioneins: purification, characterisation and potential roleK Das
Laboratoire d Océanologie, B6 Université de Liège, B 4000, Liege, Belgium
Comp Biochem Physiol C Toxicol Pharmacol 131:245-51. 2002..This suggests different metabolic functions for the two isoforms: MT-1 is mainly involved in Cu homeostasis; MT-2, which was four-fold more abundant than MT-1, detoxifies most of the accumulated cadmium...
Interfollicular fibrosis in the thyroid of the harbour porpoise: an endocrine disruption?Krishna Das
Research and Technology Centre Westcoast, Christian Albrechts University Kiel, Busum, Germany
Arch Environ Contam Toxicol 51:720-9. 2006....
Zn, Cu, Cd and Hg binding to metallothioneins in harbour porpoises Phocoena phocoena from the southern North SeaKrishna Das
MARE, Laboratory for Oceanology, B6c, Liege University, B 4000 Liege, Belgium
BMC Ecol 6:2. 2006..In the present study, metallothionein detection and associated Zn, Cd, Cu and Hg concentrations were investigated in the liver and kidney of 14 harbour porpoises collected along the Belgian coast...
Trace metal and stable isotope measurements (delta13C and delta15N) in the harbour porpoise Phocoena phocoena relicta from the Black SeaKrishna Das
MARE Center, Laboratory for Oceanology, University of Liege, Belgium
Environ Pollut 131:197-204. 2004..A geographical comparison with existing data from other regions showed general low levels of Hg, Cd, Cu and Zn in the tissues of harbour porpoises from the Black Sea compared to other Atlantic and North Sea areas...
Marine mammals from northeast Atlantic: relationship between their trophic status as determined by delta13C and delta15N measurements and their trace metal concentrationsK Das
MARE Center, Laboratory for Oceanology, University of Liege, B6 Sart Tilman, B 4000 Liege, Belgium
Mar Environ Res 56:349-65. 2003..Combined stable isotope and trace metal analyses appear to be useful tools for the study of marine mammal ecology...
Environmental factors affecting thyroid function of wild sea bass (Dicentrarchuslabrax) from European coastsJoseph G Schnitzler
MARE Centre, Laboratory for Oceanology B6c, Liege University, Liege, Belgium
Chemosphere 87:1009-17. 2012..From all compounds tested, the higher chlorinated PCBs seemed to be the most implicated in this perturbation...
Harbor porpoise thyroids: histologic investigations and potential interactions with environmental factorsJoseph G Schnitzler
MARE Centre, Laboratory for Oceanology B6c, Liege University, 4000 Liege, Belgium
J Wildl Dis 44:888-901. 2008..Further research is needed to understand the nature of any relationship between organochlorine and trace element exposure and thyroid gland morphology and function in harbor porpoises...
Cadmium toxicokinetics and bioaccumulation in turtles: trophic exposure of Trachemys scripta elegansElodie Guirlet
Laboratoire d Océanologie, Centre de Recherche MARE, University of Liege, B6c, 4000 Liege, Belgium
Ecotoxicology 21:18-26. 2012..Accumulation of Cd had no effect on survival, food consumption, growth, weight or length suggesting no effect of the treatment on female turtle body condition...
Organochlorine pesticides, polychlorinated biphenyls and trace elements in wild European sea bass (Dicentrarchus labrax) off European estuariesJoseph G Schnitzler
Laboratory for Oceanology, MARE, B6c, University of Liege, Liege, Belgium
Sci Total Environ 409:3680-6. 2011....
Long-term feeding ecology and habitat use in harbour porpoises Phocoena phocoena from Scandinavian waters inferred from trace elements and stable isotopesMichael C Fontaine
MARE Centre Laboratory for Oceanology, University of Liege, B6c, Liège Sart Tilman B 4000, Belgium
BMC Ecol 7:1. 2007....
Toothed whales in the northwestern Mediterranean: insight into their feeding ecology using chemical tracersEmilie Praca
MARE Centre, Laboratory for Oceanology, University of Liege, allée de la Chimie 17, 4000 Liege, Belgium
Mar Pollut Bull 62:1058-65. 2011..93 vs. 0.42) were observed in sperm whales compared with Risso's dolphins and may indicate wider migrations for the former. Therefore, competition between these species seems to depend on different trophic levels and migration patterns...
Effects of persistent organic pollutants on the thyroid function of the European sea bass (Dicentrarchus labrax) from the Aegean sea, is it an endocrine disruption?Joseph G Schnitzler
MARE Centre, Laboratory for Oceanology B6c, Liege University, Liege, Belgium
Mar Pollut Bull 56:1755-64. 2008....
Changes in trace elements during lactation in a marine top predator, the grey sealSarah Habran
Laboratory of Oceanology MARE, University of Liege, Belgium
Aquat Toxicol 126:455-66. 2013..Such physiological processes must be considered carefully during biomonitoring of trace elements, and potential impacts that rapid fluctuations in concentrations can exert on seal health should be further investigated...
Thyroid dysfunction in sea bass (Dicentrarchus labrax): underlying mechanisms and effects of polychlorinated biphenyls on thyroid hormone physiology and metabolismJoseph G Schnitzler
MARE Centre, Laboratory for Oceanology B6c, Liege University, Liege, Belgium
Aquat Toxicol 105:438-47. 2011..At 10 times higher concentrations (10 μg Σ7PCBs per g food pellets) an important depression of T(3) and T(4) levels could be observed which are apparently caused by degenerative histological changes in the thyroid tissue...
Feeding ecology of five commercial shark species of the Celtic Sea through stable isotope and trace metal analysisN Domi
Marine Research Center MARE, Laboratory for Oceanology, University of Liege, B6c Sart Tilman, B 4000 Liege, Belgium
Mar Environ Res 60:551-69. 2005..Although this multidisciplinary approach is revealed as a useful tool for the study of shark ecology, the lack of known trophic fractionation suggests that isotopic data be compared to traditional diet analyses...
How are trace elements mobilized during the postweaning fast in Northern elephant seals?Sarah Habran
Laboratory of Oceanology MARE B6c, University of Liege, Liege, Belgium
Environ Toxicol Chem 31:2354-65. 2012..Nevertheless, this statement needs further monitoring and toxicological studies to determine better the exposition to trace elements and its potential impact on the health of the northern elephant seal...
Blood dynamics of mercury and selenium in northern elephant seals during the lactation periodSarah Habran
Laboratory for Oceanology MARE Center B6c, University of Liege, 4000 Liege, Belgium
Environ Pollut 159:2523-9. 2011..Physiological processes and their relationship to body condition should be considered carefully when interpreting trace element levels in the framework of biomonitoring...
Isotope analysis reveals foraging area dichotomy for atlantic leatherback turtlesStephane Caut
Laboratory for Oceanology, MARE Center, B6C Liège University, Sart Tilman, Liege, Belgique
PLoS ONE 3:e1845. 2008..However, information on the whole RI is lacking, precluding the accurate identification of feeding areas where conservation measures may need to be applied...
Tissue distribution of perfluorinated chemicals in harbor seals (Phoca vitulina) from the Dutch Wadden SeaKristin Inneke Van de Vijver
Department of Biology, University of Antwerp, Groenenborgerlaan 171, 2020 Antwerpen, Belgium
Environ Sci Technol 39:6978-84. 2005..These data suggest large differences in tissue distribution and accumulation patterns of perfluorinated compounds in marine organisms...
Perfluorinated chemicals infiltrate ocean waters: link between exposure levels and stable isotope ratios in marine mammalsKristin Inneke Van de Vijver
Department of Biology, University of Antwerp, Groenenborgerlaan 171, 2020 Antwerpen, Belgium
Environ Sci Technol 37:5545-50. 2003....
Occurrence of perfluorooctane sulfonate and other perfluorinated alkylated substances in harbor porpoises from the Black SeaKristin Inneke Van de Vijver
Department of Biology, University of Antwerp, Groenenborgerlaan 171, 2020 Antwerpen, Belgium
Environ Sci Technol 41:315-20. 2007....
Levels and enantiomeric signatures of methyl sulfonyl PCB and DDE metabolites in livers of harbor porpoises (Phocoena phocoena) from the Southern North SeaShaogang Chu
Toxicological Center, University of Antwerp, Universiteitsplein 1, 2610 Wilrijk, Belgium
Environ Sci Technol 37:4573-8. 2003..23) for the measured chiral MeSO2-PCB congeners was found in all samples. This result may suggest that one atropisomer may be preferentially formed in harbor porpoises or that the atropisomers are retained in a highly selective manner...
Maternal transfer of trace elements in leatherback turtles (Dermochelys coriacea) of French GuianaElodie Guirlet
Laboratoire d Ecologie, Systematique et Evolution, Batiment 362, Universite Paris Sud, 91405 Orsay Cedex, France
Aquat Toxicol 88:267-76. 2008..Calcium requirement for egg production with concomitant Pb mobilization could explain the increase in blood Pb concentrations along the nesting season...
