Testosterone-mediated endocrine function and TH1/TH2 cytokine balance after prenatal exposure to perfluorooctane sulfonate: By sex status

Zhong, Shou-Qiang, Chen, Zan-Xiong, Kong, Min-Li, Xie, Yan-Qi, Zhou, Yang, Qin, Xiao-Di, Paul, Gunther, Zeng, Xiao-Wen, & Dong, Guang-Hui (2016) Testosterone-mediated endocrine function and TH1/TH2 cytokine balance after prenatal exposure to perfluorooctane sulfonate: By sex status. International Journal of Molecular Sciences, 17(9), Article no. 1509.

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Little information exists about the evaluation of potential developmental immunotoxicity induced by perfluorooctane sulfonate (PFOS), a synthetic persistent and increasingly ubiquitous environmental contaminant. To assess potential sex-specific impacts of PFOS on immunological health in the offspring, using male and female C57BL/6 mice, pups were evaluated for developmental immunotoxic effects after maternal oral exposure to PFOS (0.1, 1.0 and 5.0 mg PFOS/kg/day) during Gestational Days 1–17. Spontaneous TH1/TH2-type cytokines, serum levels of testosterone and estradiol were evaluated in F1 pups at four and eight weeks of age. The study showed that male pups were more sensitive to the effects of PFOS than female pups. At eight weeks of age, an imbalance in TH1/TH2-type cytokines with excess TH2 cytokines (IL-4) was found only in male pups. As for hormone levels, PFOS treatment in utero significantly decreased serum testosterone levels and increased estradiol levels only in male pups, and a significant interaction between sex and PFOS was observed for serum testosterone at both four weeks of age (pinteraction = 0.0049) and eight weeks of age (pinteraction = 0.0227) and for estradiol alternation at four weeks of age (pinteraction = 0.0351). In conclusion, testosterone-mediated endocrine function may be partially involved in the TH1/TH2 imbalance induced by PFOS, and these deficits are detectable among both young and adult mice and may affect males more than females.

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ID Code: 94368
Item Type: Journal Article
Refereed: Yes
Keywords: Perfluorooctane sulfonate, Gender difference, Testosterone, TH1/TH2 Cytokine imbalance, Estradiol, Testosterone
DOI: 10.3390/ijms17091509
ISSN: 1422-0067
Subjects: Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > PUBLIC HEALTH AND HEALTH SERVICES (111700) > Environmental and Occupational Health and Safety (111705)
Divisions: Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
  • NNSF CHINA/#81172630, #81472936
  • GPNSF/#2016A030313342, #2014A030313021
  • FRFCU/#16ykzd02
Copyright Owner: Copyright 2016 by the authors; licensee MDPI, Basel, Switzerland
Copyright Statement: This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution
(CC-BY) license (http://creativecommons.org/licenses/by/4.0/).
Deposited On: 13 Sep 2016 23:16
Last Modified: 27 Jun 2017 11:01

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