Journal
ENVIRONMENTAL RESEARCH
Volume 135, Issue -, Pages 70-75Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.envres.2014.08.011
Keywords
Perfluorocarbon; Perfluorohexanoic acid (PFHxA); Perfluorooctanoic acid (PFOA); Perfluorooctanesulfonate (PFOS); Bilirubin; Gilbert syndrome
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Background: Gilbert syndrome (GS) is an inherited defect of bilirubin conjugation, most commonly caused by a gene mutation for the enzyme UGT1A. GS is known to affect the metabolism and excretion of drugs and xenobiotics. Perfluorocarbon compounds (PFCs) are bio-persistent environmental contaminants that affect metabolic regulation. In this study, we examined the associations of GS phenotype and serum PFCs in the C8 Health Study Population. Materials and methods: Using 2005-2006 data from a large PFC-exposure population survey, we compared serum PFCs concentrations between GS and non GS clinical phenotypes, in a cross sectional design, adjusting for standard risk factors, including age, BMI, smoking status, socioeconomic status and gender. Results: Among 10 PFC compounds considered, only perfluorohexanoic acid (PFHxA) was seen at a significantly higher concentration in GS men and women. Conclusion: PFHxA exposure may be associated with GS. Our findings do not support increased exposure in GS for other PFCs. (C) 2014 The Authors. Published by Elsevier Inc. This is an open access article under the CC BY-NC-ND license
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