Your browser doesn't support javascript.
loading
Histopathological effects of short-term aqueous exposure to environmentally relevant concentration of lead (Pb) in shorthorn sculpin (Myoxocephalus scorpius) under laboratory conditions.
Jantawongsri, Khattapan; Nørregaard, Rasmus Dyrmose; Bach, Lis; Dietz, Rune; Sonne, Christian; Jørgensen, Kasper; Lierhagen, Syverin; Ciesielski, Tomasz Maciej; Jenssen, Bjørn Munro; Haddy, James; Eriksen, Ruth; Nowak, Barbara.
Afiliação
  • Jantawongsri K; Institute for Marine and Antarctic Studies (IMAS), University of Tasmania, Launceston, Tasmania, 7250, Australia.
  • Nørregaard RD; Department of Bioscience, Faculty of Technical Sciences, Arctic Research Centre (ARC), Aarhus University, Frederiksborgvej 399, Box 358, DK-4000, Roskilde, PO, Denmark.
  • Bach L; Department of Bioscience, Faculty of Technical Sciences, Arctic Research Centre (ARC), Aarhus University, Frederiksborgvej 399, Box 358, DK-4000, Roskilde, PO, Denmark.
  • Dietz R; Department of Bioscience, Faculty of Technical Sciences, Arctic Research Centre (ARC), Aarhus University, Frederiksborgvej 399, Box 358, DK-4000, Roskilde, PO, Denmark.
  • Sonne C; Department of Bioscience, Faculty of Technical Sciences, Arctic Research Centre (ARC), Aarhus University, Frederiksborgvej 399, Box 358, DK-4000, Roskilde, PO, Denmark.
  • Jørgensen K; Den Blå Planet, National Aquarium Denmark, Jacob Fortlingsvej 1, DK-2770 Kastrup, Copenhagen, Denmark.
  • Lierhagen S; Department of Chemistry, Norwegian University of Science and Technology, NO-7491, Trondheim, Norway.
  • Ciesielski TM; Department of Biology, Norwegian University of Science and Technology, Høgskoleringen 5, NO-7491, Trondheim, Norway.
  • Jenssen BM; Department of Bioscience, Faculty of Technical Sciences, Arctic Research Centre (ARC), Aarhus University, Frederiksborgvej 399, Box 358, DK-4000, Roskilde, PO, Denmark.
  • Haddy J; Department of Biology, Norwegian University of Science and Technology, Høgskoleringen 5, NO-7491, Trondheim, Norway.
  • Eriksen R; Institute for Marine and Antarctic Studies (IMAS), University of Tasmania, Launceston, Tasmania, 7250, Australia.
  • Nowak B; Institute for Marine and Antarctic Studies (IMAS), University of Tasmania, Launceston, Tasmania, 7250, Australia.
Environ Sci Pollut Res Int ; 28(43): 61423-61440, 2021 Nov.
Article em En | MEDLINE | ID: mdl-34176046
Shorthorn sculpin (Myoxocephalus scorpius) has been used as a sentinel species for environmental monitoring, including heavy metal contamination from mining activities. Former lead-zinc (Pb-Zn) mines in Greenland resulted in elevated concentrations of metals, especially Pb, in marine biota. However, the potential accumulation of Pb and effects of the presence of Pb residues in fish on health of sculpins observed in the field have not been validated in laboratory experiments. Therefore, our aim was to validate field observation of shorthorn sculpin via controlled laboratory exposure to environmentally relevant concentrations of dissolved Pb. We evaluated the effects of a short-term (28 days) exposure to Pb on Pb residues in sculpin blood, gills, liver, and muscle and the morphology of gills and liver. The highest level of Pb was found in the gills, followed by muscle and then liver. Pb levels in liver, gills, and blood of Pb-exposed sculpins were significantly higher than those in control fish, showing that blood is suitable for assessing Pb accumulation and exposure in sculpins. Histopathological investigations showed that the severity score of liver necrosis and gill telangiectasia of Pb-exposed sculpins was significantly greater than in control fish. The number of mucous cells in gills was positively correlated with Pb concentrations in organs. Overall, the results validated field observation for the effects of Pb on wild sculpin and contributed to the improved use of the shorthorn sculpin as sentinel species for monitoring contamination from Pb mines in the Arctic.
Assuntos
Palavras-chave

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Poluentes Químicos da Água / Perciformes Limite: Animals Idioma: En Revista: Environ Sci Pollut Res Int Assunto da revista: SAUDE AMBIENTAL / TOXICOLOGIA Ano de publicação: 2021 Tipo de documento: Article País de afiliação: Austrália País de publicação: Alemanha

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Poluentes Químicos da Água / Perciformes Limite: Animals Idioma: En Revista: Environ Sci Pollut Res Int Assunto da revista: SAUDE AMBIENTAL / TOXICOLOGIA Ano de publicação: 2021 Tipo de documento: Article País de afiliação: Austrália País de publicação: Alemanha