Cited by 92Per- and polyfluoroalkyl substances researchEffects and risks of endocrine disrupting chemicalsChemical Analysis and Environmental Impact

Perfluoroalkyl substances exposure and thyroid hormones in humans: epidemiological observations and implications

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Lee, Jung Eun, Choi, Kyungho·2017·Annals of Pediatric Endocrinology & Metabolism

Abstract

Thyroid hormones play crucial roles in normal neurodevelopment of fetus and child. Many chemicals can affect control and homeostasis of thyroid hormones, and eventually lead to various adverse health effects including neurodevelopmental disorders. Perfluoroalkyl substances (PFASs) are among the thyroid disrupting chemicals that can be encountered among general human population. Due to their unique physicochemical characteristics, PFASs have been used as surfactants and surface coating materials in many applications. Therefore, PFASs have been frequently detected in humans and environment worldwide. In cross-sectional studies using nationally representative general human populations of United States, several PFASs have shown significant associations with thyroid hormones. Moreover, among pregnant women and their infants, not only major PFASs such as perfluorooctane sulfonic acid and perfluorooctanoic acid, but also those with shorter or longer carbon chains showed significant associations with thyroid hormones. Often demographic characteristics such as sex, age, and disease status appear to influence the associations between PFASs exposure and thyroid hormones. In general, major PFASs showed hypothyroidism effects among pregnant women and infants. As 8 carbon based PFASs have been phased out, those with shorter or longer carbon chains have been used in growing amount as replacement. However, only limited information is available for their occurrences and toxicity among humans. Further investigations on these substituting PFASs are required. In addition, efforts are warranted to identify sources of and mitigate exposure to these thyroid disrupting chemicals especially during pregnancy and early stages of life.

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Authors
Lee, J. E., & Choi, K.
Affiliations
  • School of Public Health, Seoul National University, Seoul, Korea.
  • Seoul National University (KR)
Corresponding author
Choi, Kyungho
Venue
Annals of Pediatric Endocrinology & Metabolism
Published
2017
Volume
22
Issue
1
Pages
6
ISSN
  • 2287-1012 (ISSN-L)
  • 2287-1292
OpenAlex
W2606940716
Cited by
92
References
50
Citations by year
2026: 7 · 2025: 16 · 2024: 15 · 2023: 15 · 2022: 15 · 2021: 7 · 2020: 7 · 2019: 5 · 2018: 4 · 2017: 1
FWCI
0.53
Type
journal article
Language
en
Open access
Locations
  • Annals of Pediatric Endocrinology & Metabolism (publishedVersion, cc-by-nc)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by-nc)
  • PubMed Central (publishedVersion, cc-by-nc)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
Ministry of Environment (RE201603033)
Topics
  • Physical Sciences › Environmental Science › Environmental Chemistry › Per- and polyfluoroalkyl substances research
  • Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Effects and risks of endocrine disrupting chemicals
  • Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Chemical Analysis and Environmental Impact
Keywords
perfluorinated compounds, PFAS exposure, thyroid hormones, thyroid disrupting chemicals, hypothyroidism, perfluorooctanoic acid, PFOS, short-chain PFASs, carbon chain length, pregnancy, infants, brain development, exposure sources

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