Krishna Das

Summary

Country: Belgium

Publications

  1. pmc Mercury immune toxicity in harbour seals: links to in vitro toxicity
    Krishna Das
    Laboratoire d Océanologie, Centre de Recherche MARE, B6c, Universite de Liege, Liege, Belgium
    Environ Health 7:52. 2008
  2. ncbi request reprint White-sided dolphin metallothioneins: purification, characterisation and potential role
    K Das
    Laboratoire d Océanologie, B6 Université de Liège, B 4000, Liege, Belgium
    Comp Biochem Physiol C Toxicol Pharmacol 131:245-51. 2002
  3. ncbi request reprint 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
  4. pmc Zn, Cu, Cd and Hg binding to metallothioneins in harbour porpoises Phocoena phocoena from the southern North Sea
    Krishna Das
    MARE, Laboratory for Oceanology, B6c, Liege University, B 4000 Liege, Belgium
    BMC Ecol 6:2. 2006
  5. ncbi request reprint Trace metal and stable isotope measurements (delta13C and delta15N) in the harbour porpoise Phocoena phocoena relicta from the Black Sea
    Krishna Das
    MARE Center, Laboratory for Oceanology, University of Liege, Belgium
    Environ Pollut 131:197-204. 2004
  6. ncbi request reprint Marine mammals from northeast Atlantic: relationship between their trophic status as determined by delta13C and delta15N measurements and their trace metal concentrations
    K Das
    MARE Center, Laboratory for Oceanology, University of Liege, B6 Sart Tilman, B 4000 Liege, Belgium
    Mar Environ Res 56:349-65. 2003
  7. doi request reprint Environmental factors affecting thyroid function of wild sea bass (Dicentrarchuslabrax) from European coasts
    Joseph G Schnitzler
    MARE Centre, Laboratory for Oceanology B6c, Liege University, Liege, Belgium
    Chemosphere 87:1009-17. 2012
  8. ncbi request reprint Harbor porpoise thyroids: histologic investigations and potential interactions with environmental factors
    Joseph G Schnitzler
    MARE Centre, Laboratory for Oceanology B6c, Liege University, 4000 Liege, Belgium
    J Wildl Dis 44:888-901. 2008
  9. doi request reprint Cadmium toxicokinetics and bioaccumulation in turtles: trophic exposure of Trachemys scripta elegans
    Elodie Guirlet
    Laboratoire d Océanologie, Centre de Recherche MARE, University of Liege, B6c, 4000 Liege, Belgium
    Ecotoxicology 21:18-26. 2012
  10. doi request reprint Relationships between in vitro lymphoproliferative responses and levels of contaminants in blood of free-ranging adult harbour seals (Phoca vitulina) from the North Sea
    Aurelie Dupont
    Laboratory of Oceanology MARE Center, University of Liege, B6c, Allee de la Chimie 3, B 4000 Liege Sart Tilman, Belgium
    Aquat Toxicol 142:210-20. 2013

Collaborators

Detail Information

Publications30

  1. pmc Mercury immune toxicity in harbour seals: links to in vitro toxicity
    Krishna Das
    Laboratoire d Océanologie, Centre de Recherche MARE, B6c, Universite de Liege, Liege, Belgium
    Environ Health 7:52. 2008
    ....
  2. ncbi request reprint White-sided dolphin metallothioneins: purification, characterisation and potential role
    K 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...
  3. ncbi request reprint 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
    ....
  4. pmc Zn, Cu, Cd and Hg binding to metallothioneins in harbour porpoises Phocoena phocoena from the southern North Sea
    Krishna 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...
  5. ncbi request reprint Trace metal and stable isotope measurements (delta13C and delta15N) in the harbour porpoise Phocoena phocoena relicta from the Black Sea
    Krishna 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...
  6. ncbi request reprint Marine mammals from northeast Atlantic: relationship between their trophic status as determined by delta13C and delta15N measurements and their trace metal concentrations
    K 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...
  7. doi request reprint Environmental factors affecting thyroid function of wild sea bass (Dicentrarchuslabrax) from European coasts
    Joseph 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...
  8. ncbi request reprint Harbor porpoise thyroids: histologic investigations and potential interactions with environmental factors
    Joseph 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...
  9. doi request reprint Cadmium toxicokinetics and bioaccumulation in turtles: trophic exposure of Trachemys scripta elegans
    Elodie 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...
  10. doi request reprint Relationships between in vitro lymphoproliferative responses and levels of contaminants in blood of free-ranging adult harbour seals (Phoca vitulina) from the North Sea
    Aurelie Dupont
    Laboratory of Oceanology MARE Center, University of Liege, B6c, Allee de la Chimie 3, B 4000 Liege Sart Tilman, Belgium
    Aquat Toxicol 142:210-20. 2013
    ..In a general manner, experiments with in vitro immune cell cultures of wild marine mammals should be designed so as to minimize confounding factors in which case they remain a valuable tool to study pollutant effects in vitro. ..
  11. doi request reprint Changes in trace elements during lactation in a marine top predator, the grey seal
    Sarah 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...
  12. doi request reprint Organochlorine pesticides, polychlorinated biphenyls and trace elements in wild European sea bass (Dicentrarchus labrax) off European estuaries
    Joseph G Schnitzler
    Laboratory for Oceanology, MARE, B6c, University of Liege, Liege, Belgium
    Sci Total Environ 409:3680-6. 2011
    ....
  13. pmc Long-term feeding ecology and habitat use in harbour porpoises Phocoena phocoena from Scandinavian waters inferred from trace elements and stable isotopes
    Michael C Fontaine
    MARE Centre Laboratory for Oceanology, University of Liege, B6c, Liège Sart Tilman B 4000, Belgium
    BMC Ecol 7:1. 2007
    ....
  14. doi request reprint 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...
  15. doi request reprint 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
    ....
  16. doi request reprint Toothed whales in the northwestern Mediterranean: insight into their feeding ecology using chemical tracers
    Emilie 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...
  17. doi request reprint Effects of Methylmercury on Harbour Seal Peripheral Blood Leucocytes In Vitro Studied by Electron Microscopy
    Aurelie Dupont
    Laboratory of Oceanology MARE Center, University of Liege, B6c, Liege, Belgium
    Arch Environ Contam Toxicol 70:133-42. 2016
    ..Exposed cells displayed condensation of the chromatin at the nuclear membrane and mitochondrial damages. The results suggest that in vitro MeHgCl-induced apoptosis in harbour seal lymphocytes through a mitochondrial pathway. ..
  18. doi request reprint POPs in free-ranging pilot whales, sperm whales and fin whales from the Mediterranean Sea: Influence of biological and ecological factors
    Marianna Pinzone
    Laboratory of Oceanology, MARE Centre, B6c, University of Liege, B6c, Allee du 6 Aout, 4000 Liege, Belgium
    Environ Res 142:185-96. 2015
    ....
  19. doi request reprint Thyroid dysfunction in sea bass (Dicentrarchus labrax): underlying mechanisms and effects of polychlorinated biphenyls on thyroid hormone physiology and metabolism
    Joseph 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...
  20. ncbi request reprint Feeding ecology of five commercial shark species of the Celtic Sea through stable isotope and trace metal analysis
    N 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...
  21. doi request reprint Xenobiotic and Immune-Relevant Molecular Biomarkers in Harbor Seals as Proxies for Pollutant Burden and Effects
    Kristina Lehnert
    Institute for Terrestrial and Aquatic Wildlife Research, University of Veterinary Medicine Hannover, Foundation, 25761, Busum, Germany
    Arch Environ Contam Toxicol 70:106-20. 2016
    ..The connection between interleukin-2, xenobiotic markers, and pollutants may indicate immune suppression in animals exposed to contaminants with subsequent susceptibility to inflammatory disease. ..
  22. doi request reprint Blood dynamics of mercury and selenium in northern elephant seals during the lactation period
    Sarah 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...
  23. pmc Isotope analysis reveals foraging area dichotomy for atlantic leatherback turtles
    Stephane 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...
  24. doi request reprint Estrogenic evaluation and organochlorine identification in blubber of North Sea harbour porpoise (Phocoena phocoena) stranded on the North Sea coast
    Pedro Henrique Imazaki
    Laboratory of Food Analysis, Department of Food Science, FARAH Veterinary Public Health, University of Liege, Bâtiment B43b, Quartier Vallée 2, Avenue de Cureghem 10, 4000 Liege, Belgium
    Biomed Res Int 2015:438295. 2015
    ..Our results suggest that the 13 POPs measured by GC-MS in the samples cannot explain alone the estrogenicity of the extracts...
  25. doi request reprint Detection of Anthropogenic Particles in Fish Stomachs: An Isolation Method Adapted to Identification by Raman Spectroscopy
    France Collard
    Laboratory of Functional and Evolutionary Morphology, AFFISH RC, University of Liege, B6c, Liege, Belgium
    Arch Environ Contam Toxicol 69:331-9. 2015
    ..Some particles were not completely identified but contained artificial dyes. The novel approach developed in this manuscript should help to assess the presence, quantity, and composition of AP in planktivorous fish stomachs...
  26. ncbi request reprint Occurrence of perfluorooctane sulfonate and other perfluorinated alkylated substances in harbor porpoises from the Black Sea
    Kristin Inneke Van de Vijver
    Department of Biology, University of Antwerp, Groenenborgerlaan 171, 2020 Antwerpen, Belgium
    Environ Sci Technol 41:315-20. 2007
    ....
  27. doi request reprint Maternal transfer of trace elements in leatherback turtles (Dermochelys coriacea) of French Guiana
    Elodie 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...
  28. ncbi request reprint Perfluorinated chemicals infiltrate ocean waters: link between exposure levels and stable isotope ratios in marine mammals
    Kristin Inneke Van de Vijver
    Department of Biology, University of Antwerp, Groenenborgerlaan 171, 2020 Antwerpen, Belgium
    Environ Sci Technol 37:5545-50. 2003
    ....
  29. ncbi request reprint Tissue distribution of perfluorinated chemicals in harbor seals (Phoca vitulina) from the Dutch Wadden Sea
    Kristin 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...
  30. ncbi request reprint Levels and enantiomeric signatures of methyl sulfonyl PCB and DDE metabolites in livers of harbor porpoises (Phocoena phocoena) from the Southern North Sea
    Shaogang 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...