期刊
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
卷 70, 期 49, 页码 15570-15582出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.jafc.2c06457
关键词
zearalenone; gut microbiota; follicle development; glutathione metabolism; oocyte; mouse
资金
- Science & Technology Fund Planning Projects of Qingdao City
- Natural Science Foundation of Shandong Province
- Taishan Scholar Construction Foundation of Shandong Province
- [21-1-4-ny-7-nsh]
- [ZR202103020217]
- [ts20190946]
This study found that maternal exposure to ZEN can impact ovarian development and gut microbiota in offspring, leading to reproductive disorders. These findings provide new insights for therapeutic strategies to address reproductive disorders caused by ZEN exposure.
Zearalenone (ZEN) is a mycotoxin that is widely present in feed and agricultural products. Studies have demonstrated that ZEN, as a type of estrogen analogue, can significantly affect the female reproductive system. Breast milk is the best nutrient for infant growth and development, but it is still unknown whether ZEN influences the fertility of offspring through suckling. In this study, we collected fecal and ovarian tissue from neonatal female offspring, whose mothers were exposed to ZEN for 21 days, and explored the effects of maternal ZEN exposure on intestinal microecology and follicular development in the mouse using 16S rRNA amplicon sequencing technology. Our findings suggested that maternal ZEN exposure significantly diminished ovarian reserve, increased apoptosis of ovarian granulosa cell (GC), and impacted the developmental competence of oocytes in lactating offspring. In addition, the results of 16S rRNA sequencing showed that the abundance of gut microbiota in offspring was significantly changed, including Bacteroidetes, Proteobacteria, and Firmicutes. This leads to alterations of glutathione metabolism and the expression of antioxidant enzymes in ovaries. In summary, our findings supported a potential relationship between gut microbiota and abnormal ovarian development caused by ZEN, which offers novel insights for therapeutic strategies for reproductive disorders induced by ZEN exposure.
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