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The cytokine profile of follicular fluid changes during ovarian ageing

Abstract : Objective: Ovarian ageing is one of the commonest causes of infertility in patients consulting for assisted reproductive technology. The composition of the follicular fluid (FF), which reflects the exchanges between the oocyte and its microenvironment, has been extensively investigated to determine the metabolic pathways involved in various ovarian disorders. Considering the importance of cytokines in folliculogenesis, we focused on the cytokine profile of the FF during ovarian ageing. Material and methods: Our cross-sectional study assesses the levels of 27 cytokines and growth factors in the FF of two groups of women undergoing in vitro fertilization. One group included 28 patients with ovarian ageing clinically characterized by a diminished ovarian reserve (DOR), and the other group included 29 patients with a normal ovarian reserve (NOR), serving as controls. Results: With univariate analysis, the cytokine profile was found to differ significantly between the two groups. After adjustment of the p-values, platelet-derived growth factor-BB (PDGF-BB) was the only cytokine with a significantly lower concentration in the DOR group (7.34 AE 16.11 pg/mL) than in the NOR group (24.39 AE 41.38 pg/mL) (p = 0.005), independently of chronological age. Conclusion: Thus, PDGF-BB would seem to be implicated in the physiopathology of DOR, potentially in relation to its role in folliculogenesis or in the protection against oxidative stress.
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Submitted on : Tuesday, March 24, 2020 - 9:27:02 AM
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Pierre-Emmanuel Bouet, Thomas Boueilh, Juan Chao de la Barca, Lisa Boucret, Simon Blanchard, et al.. The cytokine profile of follicular fluid changes during ovarian ageing. Journal of Gynecology Obstetrics and Human Reproduction, Elsevier, 2020, pp.101704. ⟨10.1016/j.jogoh.2020.101704⟩. ⟨inserm-02516754⟩



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