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. 2023 Sep;201(9):4518-4529.
doi: 10.1007/s12011-023-03657-5. Epub 2023 Apr 12.

Nonylphenol Exposure-Induced Oocyte Quality Deterioration Could be Reversed by Boric Acid Supplementation in Rats

Gozde Ozge Onder  1   2 , Ozge Goktepe  3   4 , Enes Karaman  5 , Erol Karakas  6 , Ozge Cengiz Mat  3 , Demet Bolat  3 , Eda Okur  3 , Fazile Canturk Tan  7 , Esra Balcioglu  3   4 , Munevver Baran  8 , Mustafa Ermis  9 , Arzu Yay  3   4
Affiliations

Nonylphenol Exposure-Induced Oocyte Quality Deterioration Could be Reversed by Boric Acid Supplementation in Rats

Gozde Ozge Onder et al. Biol Trace Elem Res. 2023 Sep.

Abstract

In this study, we reported boric acid's protective effects on the quality of nonylphenol (NP)-exposed oocytes. Female rats were classified into 4 groups: control, boric acid, NP, and NP+boric acid. Histopathological studies and immunohistochemical analysis of anti-müllerian hormone (AMH), mechanistic target of rapamycin (mTOR), Sirtuin1 (SIRT1), stem cell factor (SCF) studies were done. The comet assay technique was utilized for DNA damage. The ELISA method was used to determine the concentrations of oxidative stress indicators (SOD, CAT, and MDA), ovarian hormone (INH-B), and inflammation indicators (IL-6 and TNF-α). Boric acid significantly reduced the histopathological alterations and nearly preserved the ovarian reserve. With the restoration of AMH and SCF, boric acid significantly improved the ovarian injury. It downregulated SIRT1 and upregulated the mTOR signaling pathway. It provided DNA damage protection. Ovarian SOD, CAT levels were decreased by boric acid. Boric acid co-administration significantly reduced NP's MDA, IL-6, and TNF-activities. This results imply that boric acid has a protective role in ovarian tissue against NP-mediated infertility.

Keywords: Boric acid; DNA damage; Nonylphenol; oxidative stress.

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