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Verreault, Jonathan; Dietz, Rune; Sonne, Christian; Gebbink, Wouter A; Shahmiri, Soheila; Letcher, Robert J (2008): (Table 1) Lipid content and organohalogen contaminant concentration in captive sledge dogs (Canis familiaris) and wild female polar bears (Ursus maritimus) from Greenland [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.841347, Supplement to: Verreault, J et al. (2008): Comparative fate of organohalogen contaminants in two top carnivores in Greenland: Captive sledge dogs and wild polar bears. Comparative Biochemistry and Physiology Part C: Toxicology & Pharmacology, 147(3), 306-315, https://doi.org/10.1016/j.cbpc.2007.11.009

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Abstract:
The limited knowledge and/or the inability to control physiological condition parameters that influence the fate of organohalogen contaminants (OHCs) has been the foremost confounding aspect in monitoring programs and health risk assessments of wild top predators in the Arctic such as the polar bear (Ursus maritimus). In the present comparative study, we used a potential surrogate Canoidea species for the East Greenland polar bear, the captive sledge dog (Canis familiaris), to investigate some factors that may influence the bioaccumulation and biotransformation of major chlorinated and brominated OHCs in adipose tissue and blood (plasma) of control (fed commercial pork fat) and exposed (fed West Greenland minke whale (Balaenoptera acutorostrata) blubber) adult female sledge dogs. Furthermore, we compared the patterns and concentrations of OHCs and their known or suggested hydroxylated (OH) metabolites (e.g., OH-PCBs) in sledge dogs with those in adipose tissue and blood (plasma) of East Greenland adult female polar bears, and blubber of their main prey species, the ringed seal (Pusa hispida). The two-year feeding regime conducted with sledge dogs led to marked differences in overall adipose tissue (and plasma) OHC residue accumulation between the control and exposed groups. Characteristic prey-to-predator OHC bioaccumulation dynamics for major PCB and PBDE congeners (patterns and concentrations) and biotransformation capacity with respect to PCB metabolite formation and OH-PCB retention distinguished, to some extent, captive sledge dogs and wild polar bears. Based on the present findings, we conclude that the use of surrogate species in toxicological investigations for species in the Canoidea family should be done with great caution, although they remain essential in the context of contaminants research with sensitive arctic top carnivore species such as the polar bear.
Related to:
Gebbink, Wouter A; Sonne, Christian; Dietz, Rune; Kirkegaard, Maja; Born, Erik W; Muir, Derek C G; Letcher, Robert J (2008): (Table 1) Concentrations of neutral and phenolic organohalogen compounds in adipose tissue, blood, brain and liver of polar bears (Ursus maritimus) from East Greenland [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.810194
Coverage:
Median Latitude: 71.359500 * Median Longitude: -36.396500 * South-bound Latitude: 68.719000 * West-bound Longitude: -52.793000 * North-bound Latitude: 74.000000 * East-bound Longitude: -20.000000
Event(s):
Aasiaat_Canis * Latitude: 68.719000 * Longitude: -52.793000 * Location: Disko Bay, Greenland * Method/Device: Biological sample (BIOS)
East_Greenland * Latitude: 74.000000 * Longitude: -20.000000 * Location: East Greenland
Comment:
Concentrations per gram wet weight.
Sum Chlordane: sum of heptachlor epoxide, oxychlordane, trans-chlordane, cis-chlordane, trans-nonachlor and cis-nonachlor.
Sum DDT: sum of p,p'-DDE and p,p'-DDD.
Sum PCBs: sum of CB31/28,42,44,49, 52, 56/60,64/41,70/76,74, 87,95/66,97,99,101/90,105,110,118, 128, 138,141,146,149,151,153,158,170/190,172,174,177, 178, 179, 180, 183, 187, 194, 195, 196/203, 200, 202/171/156 and 206.
Sum PBDEs: sum of BDE28, 47, 66, 85, 99, 100, 138, 153, 154, 183 and 209.
Alpha-HBCD total: Thermal isomerization of beta- and gamma-isomers to alpha-HBCD.
Sum OH-PCBs: sum of 4'-OH-CB79, 4-OH-CB97, 4'-OH-CB101/134, 4-OH-CB107/4'-0H-CB108, 2'-OH-CB114, 3-OH-CB118, 4'-OH-CB127, 4'-OH-CB120, 4'-OH-CB130, 3'-OH-CB138,4-OH-CB146,4'-OH-CB159,4-OH-CB162,4-OH-CB163,4'-OH-CB172,4'-OH-CB177,4-OH-CB178, 3'-OH-CB180, 3'-OH-CB182, 3'-OH-CB183, 3'-OH-CB184, 4-OH-CB187, 4-OH-CB193, 4'-OH-CB199, 4'-OH-CB200, 4'-OH-CB201, 4'-OH-CB202, 4,4'-diOH-CB202, 3'-OH-CB203/198 and 4'-OH-CB208.
Sum OH-PBDEs: sum of 6'-OH-BDE17, 4'-OH-BDE17, 4-OH-BDE42, 6-OH-BDE47, 3-OH-BDE47, 5-OH-BDE47, 6'-OH-BDE49, 4'-OH-BDE49, 2'-OH-BDE68, 6-OH-BDE85, 6-OH-BDE90, 6-OH-BDE99, 2-OH-BDE123 and 6-OH-BDE137.
Data extracted in the frame of a joint ICSTI/PANGAEA IPY effort, see http://doi.pangaea.de/10.1594/PANGAEA.150150
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Event labelEvent
2Time coverageCoverageVerreault, Jonathan
3Species, common nameSpecies commonVerreault, Jonathan
4SpeciesSpeciesVerreault, Jonathan
5TreatmentTreatVerreault, Jonathan
6Sample amountN#Verreault, Jonathan
7Sample typeSamp typeVerreault, Jonathan
8LipidsLipids%Verreault, Jonathanmean
9Lipids, standard deviationLipids std dev±Verreault, Jonathan
10LipidsLipids%Verreault, Jonathanmin
11LipidsLipids%Verreault, Jonathanmax
12HexachlorobenzeneHCBµg/gVerreault, Jonathanmean
13Hexachlorobenzene, standard deviationHCB std dev±Verreault, Jonathan
14HexachlorobenzeneHCBµg/gVerreault, Jonathanmin
15HexachlorobenzeneHCBµg/gVerreault, Jonathanmax
16ChlordaneCHLng/gVerreault, Jonathanmean, sum6CHL
17Chlordane, standard deviationCHL std dev±Verreault, Jonathan
18ChlordaneCHLng/gVerreault, Jonathanmin
19ChlordaneCHLng/gVerreault, Jonathanmax
20DichlorodiphenyltrichloroethaneDDTµg/kgVerreault, Jonathanmean, sum2DDT
21Dichlorodiphenyltrichloroethane, standard deviationDDT std dev±Verreault, Jonathan
22DichlorodiphenyltrichloroethaneDDTµg/kgVerreault, Jonathanmin
23DichlorodiphenyltrichloroethaneDDTµg/kgVerreault, Jonathanmax
24Polychlorinated biphenylPCBµg/gVerreault, Jonathanmean, sum40PCB
25Polychlorinated biphenyl, standard deviationPCB std dev±Verreault, Jonathan
26Polychlorinated biphenylPCBµg/gVerreault, Jonathanmin
27Polychlorinated biphenylPCBµg/gVerreault, Jonathanmax
28Polybrominated diphenyl ethersPBDEng/gVerreault, Jonathanmean, sum11PBDE
29Polybrominated diphenyl ethers, standard deviationPBDE std dev±Verreault, Jonathan
30Polybrominated diphenyl ethersPBDEng/gVerreault, Jonathanmin
31Polybrominated diphenyl ethersPBDEng/gVerreault, Jonathanmax
32alpha-Hexabromocyclododecanea-HBCDng/gVerreault, Jonathanmean
33Hexabromocyclododecane, standard deviationHBCD std dev±Verreault, Jonathan
34alpha-Hexabromocyclododecanea-HBCDng/gVerreault, Jonathanmin
35alpha-Hexabromocyclododecanea-HBCDng/gVerreault, Jonathanmax
36Hydroxy-polychlorinated biphenylOH-PCBng/gVerreault, Jonathanmean, sum30OH-PCB
37Hydroxy-polychlorinated biphenyl, standard deviationOH-PCB std dev±Verreault, Jonathan
38Hydroxy-polychlorinated biphenylOH-PCBng/gVerreault, Jonathanmin
39Hydroxy-polychlorinated biphenylOH-PCBng/gVerreault, Jonathanmax
40Hydroxylated polybrominated diphenyl ethersOH-PBDEng/gVerreault, Jonathanmean, sum14OH-PBDE
41Hydroxylated polybrominated diphenyl ethers, standard deviationOH-PBDE std dev±Verreault, Jonathan
42Hydroxylated polybrominated diphenyl ethersOH-PBDEng/gVerreault, Jonathanmin
43Hydroxylated polybrominated diphenyl ethersOH-PBDEng/gVerreault, Jonathanmax
Size:
152 data points

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