ArticleCell proliferation2022
Nivalenol affects Cyclin B1 level and activates SAC for cell cycle progression in mouse oocyte meiosis.
Article in Cell proliferation, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 7 citations in OpenAlex.
- Mycotoxin toxicity and its alleviation strategy on female mammalian reproduction and fertility.Journal of advanced research · 2025Review
- Occurrence and concentration of zearalenone, nivalenol, and trichothecene in beers: a global systematic review and meta-analysis and health risk assessment.Journal of food science and technology · 2025Review
- Article
- Nivalenol affects Cyclin B1 level and activates SAC for cell cycle progression in mouse oocyte meiosis.Cell proliferation · 2022Article
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
Abstract
objectivesNivalenol (NIV) is a secondary metabolite of type B trichothecene mycotoxin produced by Fusarium genera, which is widely found in contaminated food and crops such as corn, wheat and peanuts. NIV is reported to have hepatotoxicity, immunotoxicity, genotoxicity, and reproductive toxicity. Previous studies indicate that NIV disturbs mammalian oocyte maturation. Here, we reported that delayed cell cycle progression might be the reason for oocyte maturation defect caused by NIV exposure. METHODS AND
resultsWe set up a NIV exposure model and showed that NIV did not affect G2/M transition for meiosis resumption, but disrupted the polar body extrusion of oocytes. Further analysis revealed that oocytes were arrested at metaphase I, which might be due to the lower expression of Cyclin B1 after NIV exposure. After cold treatment, the microtubules were disassembled in the NIV-exposed oocytes, indicating that NIV disrupted microtubule stability. Moreover, NIV affected the attachment between kinetochore and microtubules, which further induced the activation of MAD2/BUBR1 at the kinetochores, suggesting that spindle assemble checkpoint (SAC) was continuously activated during oocyte meiotic maturation.
conclusionsTaken together, our study demonstrated that exposure to NIV affected Cyclin B1 expression and activated microtubule stability-dependent SAC to ultimately disturb cell cycle progression in mouse oocyte meiosis.
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