Circulating thyroid hormones and associated metabolites in white whales (Delphinapterus leucas) determined using isotope-dilution mass spectrometry.

Publikation: Bidrag til tidsskrift/Konferencebidrag i tidsskrift /Bidrag til avisTidsskriftartikelForskningpeer review

  • Martin Hansen
  • Gro D. Villanger
  • ,
  • Thea Bechshøft, University of Alberta
  • ,
  • Milton Levin
  • ,
  • Heli Routti
  • ,
  • Kit M Kovacs
  • ,
  • Christian Lydersen
Blood was sampled from nine free-ranging white whales (beluga whale, Delphinapterus leucas) from Svalbard, Norway during the summers of 2013 and 2014. Total concentrations of eleven thyroid hormones and metabolites were measured in serum using a novel liquid chromatography tandem mass spectrometry analytical method. Measurements of these compounds in plasma gave the same results as in serum. The three hormones found in highest concentrations were 3,3',5-triiodothyronine (T3), 3,3',5'-triiodothyronine (rT3) and thyroxine (T4). Traces of associated metabolites were also found.
OriginalsprogEngelsk
TidsskriftEnvironmental Research
Vol/bind156
Sider (fra-til)128-131
Antal sider4
ISSN0013-9351
StatusUdgivet - 1 jul. 2017
Eksternt udgivetJa

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