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Article Dans Une Revue Environmental Pollution Année : 2023

Cumulative and potential synergistic effects of seven different bisphenols on human granulosa cells in vitro?

Résumé

Bisphenol (BP) structural analogues of BPA are widely used. Previous studies showed similar effects of BPA and BPS on reproduction in several species including human. We hypothesised that the similar effects of several bisphenols (BPs) could accumulate in granulosa cells (GCs) and affects steroidogenesis. This study investigated the effects of seven BP analogues and their equimolar cocktail on human granulosa cells (hGC) and assessed BPA, BPS, BPF and BPAF level exposures in the follicular fluid of 277 women undergoing Assisted Reproductive Technology. The hGCs were recovered after women oocyte punctures and treated with the seven BP analogues (BPS, BPA, BPAF, BPF, BPAP, BPE and BPB) or their equimolar cocktail of 7 × 1.43 or 7 × 7.14 μM for each of the seven BPs, the sum of BPs reaching 10 (" ∑ BPs 10 μM"), or 50 μM (" ∑ BPs 50 μM"), respectively. Oestradiol and progesterone secretion, cell proliferation, viability and expression of steroidogenic enzymes were investigated. Progesterone secretion was decreased by 6 BPs 10 μM and the cocktail " ∑ BPs 10 μM", (− 17.8 to − 41.3%) and by all seven BPs 50 μM and " ∑ BPs 50 μM" (− 21.8 to − 84.2%). Oestradiol secretion was decreased only by 50 μM BPAF and BPAP (− 37.8% and − 44%, respectively), with corresponding decreases in CYP17A1 and CYP19A1 gene expression. Cellular proliferation was decreased after treatment with 50 μM BPAF (− 32.2%), BPAP (− 29%), BPB (− 24%) and the equimolar cocktail " ∑ BPs 50 μM" (− 33.1%). BPB (50 μM) and the cocktail " ∑ BPs 50 μM" increased HSD3B2 mRNA expression. At least one BP was detected in 64 of 277 (23.1%) women follicular fluids. Similar effects of the seven BPs or their cocktail were observed on progesterone secretion and/or on cell proliferation, suggesting cumulative effects of BPs. Our results highlight the urge to consider all BPs simultaneously and to further investigate the potential additive or synergistic effects of several BPs. ☆ This paper has been recommended for acceptance by Wen Chen.
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Dates et versions

hal-04099679 , version 1 (17-05-2023)

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Paternité

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Marie-Emilie Lebachelier de la Riviere, Luyao Wu, Manon Gayet, Marie Bousquet, Charlotte Buron, et al.. Cumulative and potential synergistic effects of seven different bisphenols on human granulosa cells in vitro?. Environmental Pollution, 2023, 330, pp.121818. ⟨10.1016/j.envpol.2023.121818⟩. ⟨hal-04099679⟩
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