Cited by 250Per- and polyfluoroalkyl substances researchPeroxisome Proliferator-Activated ReceptorsDrug Transport and Resistance Mechanisms

Renal elimination of perfluorocarboxylates (PFCAs)

Han, Xing, Nabb, Diane L., Russell, Mark H., Kennedy, Gerald L., Rickard, Robert W.·2012·Chemical Research in Toxicology

Abstract

Sex-, species-, and chain length-dependent renal elimination is the hallmark of mammalian elimination of perfluorocarboxylates (PFCAs) and has been extensively studied for almost 30 years. In this review, toxicokinetic data of PFCAs (chain lengths ranging from 4 to 10) in different species are compared with an emphasis on their relevance to renal elimination. PFCAs vary in their affinities to bind to serum albumins in plasma, which is an important factor in determining the renal clearance of PFCAs. PFCA-albumin binding has been well characterized and is summarized in this review. The mechanism of the sex-, species-, and chain length-dependent renal PFCA elimination is a research area that has gained continuous interest since the beginning of toxicological studies of PFCAs. It is now recognized that organic anion transport proteins play a key role in PFCA renal tubular reabsorption, a process that is sex-, species-, and chain length-dependent. Recent studies on the identification of PFCA renal transport proteins and characterization of their transport kinetics have greatly improved our understanding of the PFCA renal transport mechanism at the molecular level. A mathematical representation of this renal tubular reabsorption mechanism has been incorporated in physiologically based pharmacokinetic (PBPK) modeling of perfluorooctanoate (PFOA). Improvement of PBPK models in the future will require more accurate and quantitative characterization of renal transport pathways of PFCAs. To that end, a basolateral membrane efflux pathway for the reabsorption of PFCAs in the kidney is discussed in this review, which could provide a future research direction toward a better understanding of the mechanisms of PFCA renal elimination.

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Crossref · 10.1021/tx200363w

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Authors
Han, X., Nabb, D. L., Russell, M. H., Kennedy, G. L., & Rickard, R. W.
Affiliations
DuPont (United States) (US)
Corresponding author
Han, Xing
Venue
Chemical Research in Toxicology
Published
2011-10-25
Volume
25
Issue
1
Pages
35-46
ISSN
  • 0893-228X (ISSN-L)
  • 1520-5010
OpenAlex
W2034003465
Cited by
250
References
117
Citations by year
2026: 25 · 2025: 23 · 2024: 26 · 2023: 26 · 2022: 21 · 2021: 22 · 2020: 22 · 2019: 13 · 2018: 11 · 2017: 11 · 2016: 10 · 2015: 16 · 2014: 8 · 2013: 9 · 2012: 5
FWCI
0.60
Type
journal article
Language
en
Open access
closed
Locations
  • Chemical Research in Toxicology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Physical Sciences › Environmental Science › Environmental Chemistry › Per- and polyfluoroalkyl substances research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Peroxisome Proliferator-Activated Receptors
  • Health Sciences › Medicine › Oncology › Drug Transport and Resistance Mechanisms
Keywords
perfluorocarboxylates, renal excretion, tubular reabsorption, serum albumin binding, sex differences, chain length dependence, species differences, toxicokinetics, perfluorooctanoic acid, physiologically based pharmacokinetic modeling, perfluorinated compounds
MeSH terms
Animals, Caprylates, Carboxylic Acids, Environmental Pollutants, Fluorocarbons, Humans, Kidney, Models, Biological

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