Exposure to cell phone induce oxidative stress in mice preantral follicles during in vitro cultivation: An experimental study

手机暴露对小鼠腔前卵泡体外培养过程中氧化应激的实验研究

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作者:Najmeh Vafere Koohestani, Saeed Zavareh, Taghi Lashkarbolouki, Fariba Azimipour

Background

Radiations emitting from mobile phones have been proposed to affect people's health, mediated by various mechanisms like induction of oxidative stress.

Conclusion

Exposure to cell phone compromised the developmental competence of mice PFs by increasing oxidative stress.

Methods

PFs (n░=░2580) were isolated mechanically from 16 to 18 day-old NMRI mice (n░=░50) and divided into control and cell phone-exposed groups. PFs were cultured for 12 days and ovulation was induced using human chorion gonadotropin. The developmental parameters including size, survival, antral cavity formation, ovulation and oocyte maturation were assessed. In parallel, enzymatic antioxidants activities, total antioxidant capacity (TAC), and Malondialdehyde (MDA) levels were evaluated.

Objective

This study aims to investigate the effect of cell phone exposure on the oxidative status of mice preantral follicles (PFs) during in vitro culture. Materials and

Results

The diameters and the rates of survival, antrum formation, ovulation, and metaphase II oocytes of exposed PFs to cell phone were significantly lower than those of the control group (p░≤░0.001). The PFs exposed to cell phone had significantly lower superoxide dismutase (SOD), glutathione peroxidase (GPX), and catalase (CAT) activity compared with the control group. In the cell phone exposed PFs, the TAC level was significantly lower (p░≤░0.001) and MDA levels was significantly higher (p░≤░0.001), compared tothe those of control group.

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