期刊
TOXICON
卷 154, 期 -, 页码 7-14出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.toxicon.2018.07.022
关键词
Environmental toxicology; Mycotoxin; Polycystic ovary; Zearalenone; Rat
资金
- TUMS [94.02.33.29329]
- INSF
Globally, food and animal feed contamination with mycotoxins is one of the most important challenges affecting human health. Zearalenone is a non-steroidal mycotoxin with estrogen-like activity that has been reported to induce reproductive dysfunctions including polycystic ovary in women. The aim of this study was to assess the possible impact of prolonged low dose zearalenone (0.1 mg/kg b.w.) exposure to increase the risk of developing polycystic ovary in rats. We found that zearalenone increases the plasma insulin, glucose, testosterone, progesterone and luteinizing hormone levels, while the plasma estradiol level was reduced. Zearalenone also incited tumor necrosis factor-alpha and the secreted frizzled-related protein-4 expressions. Histological examination showed atresia of follicles in the treated group. It is concluded that zearalenone intoxication intensely manipulates the plasma hormonal factors and the level of gene expressions related to the polycystic ovary in rats, thus increases the risk of its progression.
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