Early-Life Exposure to Perfluoroalkyl Substances and Childhood Metabolic Function

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Early-Life Exposure to Perfluoroalkyl Substances and Childhood Metabolic Function

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Title: Early-Life Exposure to Perfluoroalkyl Substances and Childhood Metabolic Function
Author: Fleisch, Abby F.; Rifas-Shiman, Sheryl L.; Mora, Ana M.; Calafat, Antonia M.; Ye, Xiaoyun; Luttmann-Gibson, Heike; Gillman, Matthew W.; Oken, Emily; Sagiv, Sharon K.

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Citation: Fleisch, Abby F., Sheryl L. Rifas-Shiman, Ana M. Mora, Antonia M. Calafat, Xiaoyun Ye, Heike Luttmann-Gibson, Matthew W. Gillman, Emily Oken, and Sharon K. Sagiv. 2016. “Early-Life Exposure to Perfluoroalkyl Substances and Childhood Metabolic Function.” Environmental Health Perspectives 125 (3): 481-487. doi:10.1289/EHP303. http://dx.doi.org/10.1289/EHP303.
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Abstract: Background: Perfluoroalkyl substances (PFASs) are synthetic chemicals that may persist in the environment and in humans. There is a possible association between early-life PFAS exposure and metabolic dysfunction in later life, but data are limited. Methods: We studied 665 mother–child pairs in Project Viva, a Boston, Massachusetts-area cohort recruited 1999–2002. We quantified concentrations of PFASs [perfluorooctanoate (PFOA), perfluorooctane sulfonate (PFOS), perfluorononanoate (PFNA), perfluorohexane sulfonate (PFHxS), and perfluorodecanoate (PFDeA)] in maternal plasma collected at the first prenatal visit (median, 9.6 weeks gestation) and in child plasma from the mid-childhood research visit (median, 7.7 years). We assessed leptin, adiponectin, and homeostatic model assessment of insulin resistance (HOMA-IR) in mid-childhood. We fit covariate-adjusted linear regression models and conducted stratified analyses by child sex. Results: Children with higher PFAS concentrations had lower HOMA-IR [e.g., –10.1% (95% CI: –17.3, –2.3) per interquartile range increment in PFOA]. This inverse association between child PFAS and HOMA-IR was more pronounced in females [e.g., PFOA: –15.6% (95% CI: –25.4, –4.6) vs. –6.1% (95% CI: –16.2, 5.2) for males]. Child PFAS plasma concentrations were not associated with leptin or adiponectin. Prenatal PFAS plasma concentrations were not associated with leptin, adiponectin, or HOMA-IR in offspring. Conclusions: We found no evidence for an adverse effect of early-life PFAS exposure on metabolic function in mid-childhood. In fact, children with higher PFAS concentrations had lower insulin resistance. Citation: Fleisch AF, Rifas-Shiman SL, Mora AM, Calafat AM, Ye X, Luttmann-Gibson H, Gillman MW, Oken E, Sagiv SK. 2017. Early-life exposure to perfluoroalkyl substances and childhood metabolic function. Environ Health Perspect 125:481–487; http://dx.doi.org/10.1289/EHP303
Published Version: doi:10.1289/EHP303
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5332186/pdf/
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:32072242
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