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Title: Toxicokinetics of PFOS in rainbow trout
Abstract: This ScienceHub entry was developed for the published paper: Consoer et al., 2016, Toxicokinetics of perfluorooctane sulfonate in rainow trout (Oncorhynchus mykiss), Environ. Toxicol. Chem. 35:717-727. Individual rainbow trout were exposed to PFOS by bolus injection (elimination studies) or by adding PFOS to incoming water (branchial uptake studies). The trout were fitted with indwelling catheters and urinary cannulae to permit periodic collection of blood and urine. Additional sampling was conducted to evaluate PFOS uptake from and elimination to respired water. Data obtained from each fish was evaluated using a clearance-volume pharmacokinetic model. Modeled kinetic parameters were then averaged to develop summary statistics which were used as a basis for interpreting modeled results and making comparisons to a previous study of rainbow trout exposed to perfluorooctanoate (PFOA; Consoer et al., 2014, Aquat. Toxicol. 156:65-73). The results of this study, combined with that of the previous PFOA study, suggest that PFOA is a substrate for renal transporters in fish while glomerular filtration alone may be sufficient to explain the observed renal elimination of PFOS. These findings demonstrate that models developed to predict the bioaccumulation of perfluoroalkyl acids by fish must account for differences in renal clearance of individual compounds. This dataset is associated with the following publication: Consoer, D., A. Hoffman , P. Fitzsimmons , P. Kosian , and J. Nichols. Toxicokinetics of perfluorooctane sulfonate in rainbow trout (Oncorhynchus mykiss). ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY. Society of Environmental Toxicology and Chemistry, Pensacola, FL, USA, 35(3): 717-727, (2016).
File Identifier: A-qc04-240
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Distribution Title Consoer et al._Sciencehub entry.xlsx
Download URL https://pasteur.epa.gov/uploads/240/Consoer%20et%20al._Sciencehub%20entry.xlsx
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Access Level: Public
License: https://pasteur.epa.gov/license/sciencehub-license.html
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Date Modified: 2016-08-25
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Organization: U.S. EPA Office of Research and Development (ORD)
Contact Person: John Nichols
Email: nichols.john@epa.gov
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Related Documents: https://doi.org/10.1002/etc.3230