Blar i NTNU Open på forfatter "Villanger, Gro Dehli"
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Anthropogenic flank attack on polar bears: interacting consequences of climate warming and pollutant exposure
Jenssen, Bjørn Munro; Villanger, Gro Dehli; Gabrielsen, Kristin Møller; Bytingsvik, Jenny; Bechshoft, Thea; Ciesielski, Tomasz Maciej; Sonne, Christian; Dietz, Rune (Journal article; Peer reviewed, 2015)Polar bears (Ursus maritimus) are subjected to several anthropogenic threats, climate warming and exposure to pollutants being two of these. For polar bears, one of the main effects of climate warming is limited access to ... -
Association between gestational levels of toxic metals and essential elements and cerebral palsy in children
Weyde, Kjell Vegard F.; Winterton, Adriano; Suren, Pål; Andersen, Guro Lillemoen; Vik, Torstein; Biele, Guido; Knutsen, Helle K.; Thomsen, Cathrine; Meltzer, Helle M.; Skogheim, Thea S.; Engel, Stephanie M.; Aase, Heidi; Villanger, Gro Dehli (Peer reviewed; Journal article, 2023)Introduction: Cerebral palsy (CP) is the most common motor disability in childhood, but its causes are only partly known. Early-life exposure to toxic metals and inadequate or excess amounts of essential elements can ... -
Concentrations of vitamin A, E, thyroid and testosterone hormones in blood plasma and tissues from emaciated adult male Arctic foxes (Vulpes lagopus) dietary exposed to persistent organic pollutants (POPs)
Rogstad, Tonje Waterloo; Sonne, Christian; Villanger, Gro Dehli; Ahlstrøm, Øystein; Fuglei, Eva; Muir, Derek C.G.; Jørgensen, Even Hjalmar; Jenssen, Bjørn Munro (Journal article; Peer reviewed, 2017)The aim of the present study was to investigate the relationships and effects of oral POP exposure on retinol (vitamin A), α-tocopherol (vitamin E), thyroid hormones and testosterone in emaciated adult farmed Arctic foxes. ... -
Effects of a complex contaminant mixture on thyroid hormones in breeding hooded seal mothers and their pups
Grønnestad, Randi; Villanger, Gro Dehli; Polder, Anuschka; Kovacs, Kit M.; Lydersen, Christian; Jenssen, Bjørn Munro; Borgå, Katrine (Journal article; Peer reviewed, 2018)There is a general lack of information on the possible effects of perfluoroalkyl substances (PFASs) on thyroid hormones (THs) in wildlife species. The effects of PFASs, which are known endocrine disruptors, on the TH ... -
Effects of complex organohalogen contaminant mixtures on thyroid hormone homeostasis in selected arctic marine mammals
Villanger, Gro Dehli (Doktoravhandlinger ved NTNU, 1503-8181; 2011:271, Doctoral thesis, 2011) -
Maternal transfer of perfluoralkyl substances in hooded seals
Grønnestad, Randi; Villanger, Gro Dehli; Polder, Anuschka; Kovacs, Kit; Lydersen, Christian; Jenssen, Bjørn Munro; Borgå, Katrine (Journal article; Peer reviewed, 2017)The role of milk in the transfer of perfluoroalkyl substances (PFASs) to offspring is not well known in wildlife. Eight PFASs were quantified in plasma and milk in mother–pup pairs of hooded seals (Cystophora cristata) ... -
Perfluoroalkyl substances (PFASs) in white whales (Delphinapterus leucas) from Svalbard – A comparison of concentrations in plasma sampled 15 years apart
Villanger, Gro Dehli; Kovacs, Kit M.; Lydersen, Christian; Haug, Line Småstuen; Sabaredzovic, Azemira; Jenssen, Bjørn Munro; Routti, Heli Anna Irmeli (Peer reviewed; Journal article, 2020)The objective of the present study was to investigate recent concentrations of perfluoroalkyl substances (PFASs) in white whales (Delphinapterus leucas) from Svalbard and compare them to concentrations found in white whales ... -
Testosterone and persistent organic pollutants in East Greenland male polar bears (Ursus maritimus)
Ciesielski, Tomasz Maciej; Sonne, Christian; Smette, Eli I.; Villanger, Gro Dehli; Styrishave, Bjarne; Letcher, Robert J.; Hitchcock, Daniel James; Dietz, Rune; Jenssen, Bjørn Munro (Peer reviewed; Journal article, 2023)Legacy persistent organic pollutants (POPs) such as polychlorinated biphenyls (PCBs) are chemicals that undergo long-range transport to the Arctic. These chemicals possess endocrine disruptive properties raising concerns ...