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Interference of Bisphenol a on Cumulus Cells Development and Number of Retrieved Mature Oocytes in Unexpected Poor Ovarian Response Women: A Prospective Cohort Study Publisher



Aftabsavad S1 ; Noormohammadi Z1 ; Moini A2, 3, 4 ; Karimipoor M5
Authors

Source: Cell Journal Published:2024


Abstract

Objective: This study aimed to investigate the relationship between follicular fluid Bisphenol A (BPA) concentrations with alterations in the expressions of NOTCH1-3, CASPASE 3/7, HLA-G, and ICAM-1 genes and the number of retrieved mature oocytes (MII oocyte) in the cumulus cells of infertile poor ovarian response stimulates women. Materials and Methods:In this prospective cohort study, 80 infertile unexpected poor ovarian response (POR) subjects were selected on the basis of subgroup 1a of the POSEIDON classification. They were divided into two groups: group 1 consisted of 40 women, each with a higher number of metaphase II (MII) oocytes (G1, 3-4 oocytes retrieved), while group 2 comprised of 40 women, each with a lower number of MII oocytes (G2, ≤2 oocytes retrieved). The expressions of the studied genes were evaluated by quantitative-real time polymerase chain reaction (PCR). The concentration of BPA in follicular fluid was measured with HPLC. Results: The expression levels of NOTCH1-3, HLA-G, and ICAM-1 genes were significantly lower in G2 than G1 (P<0.05). Meanwhile, CASPASE 3/7 expression levels were higher in unexpected POR patients in G2 compared to G1 (P<0.05). There was a significant direct correlation between the levels of NOTCH1-3, HLA-G and ICAM-1 gene expressions and there was also a significant inverse correlation (P<0.05) between the levels of CASPASE 3/7, with the number of MII oocytes and embryo development between the two groups. The concentration of BPA in the follicular fluids of G2 was higher compared to G1 (P<0.05). Conclusion: A higher concentration of BPA was associated with a lower number of mature oocytes and oocyte quality in these patients. Also, alterations of NOTCH1-3, CASPASE 3/7, HLA-G, and ICAM-1 transcript levels in unexpected POR women were associated with BPA concentration. © 2024 Royan Institute (ACECR). All rights reserved.
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