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Bisphenol A, S or F mother’s dermal impregnation impairs offspring immune responses in a dose and sex-specific manner in mice

Authors
  • Malaisé, Yann1
  • Lencina, Corinne1
  • Cartier, Christel1
  • Olier, Maïwenn1
  • Ménard, Sandrine1
  • Guzylack-Piriou, Laurence1
  • 1 Université de Toulouse, INRAE, ENVT, INP-Purpan, UPS, Toulouse, 31027, France , Toulouse (France)
Type
Published Article
Journal
Scientific Reports
Publisher
Springer Nature
Publication Date
Jan 18, 2021
Volume
11
Issue
1
Identifiers
DOI: 10.1038/s41598-021-81231-6
Source
Springer Nature
License
Green

Abstract

Bisphenol (BP)A is an endocrine disruptor (ED) widely used in thermal papers. Regulatory restrictions have been established to prevent risks for human health, leading to BPA substitution by structural analogues, like BPS and BPF. We previously demonstrated that oral perinatal exposure to BPA had long-term consequences on immune responses later in life. It appears now essential to enhance our understanding on immune impact of different routes of BP exposure. In this study, we aimed at comparing the impact of mother dermal exposure to BPs on offspring immune system at adulthood. Gravid mice were dermally exposed to BPA, BPS or BPF at 5 or 50 μg/kg of body weight (BW)/day (d) from gestation day 15 to weaning of pups at post-natal day (PND)21. In offspring, BPs dermal impregnation of mothers led to adverse effects on immune response at intestinal and systemic levels that was dependent on the BP, the dose and offspring sex. These findings provide, for the first time, results on long-term consequences of dermal perinatal BPs exposure on immune responses in offspring. This work warns that it is mandatory to consider immune markers, dose exposure as well as sex in risk assessment associated with new BPA’s alternatives.

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