数字农科院2.0

Apigenin Alleviates Zearalenone-Induced Oxidative Stress and Apoptosis in Swine Testis Cells Through the Wnt Signaling Pathway

文献类型： 外文期刊

作者： Guo, Chenyun;Zhang, Yidan;Wang, Yiwei;Sun, Yile;Ning, Haoze;Gao, Jiaxin;Guo, Fei;Ji, Pengyun;Zhang, Lu;Liu, Guoshi;Wang, Bingyuan

作者机构：

关键词： Swine Testis cells;zearalenone;apigenin;apoptosis;LRP5;oxidative stress

期刊名称： ANTIOXIDANTS

ISSN：

年卷期： 2025 年 15 卷 1 期

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收录情况： SCIE（2025版）

摘要： The mycotoxin zearalenone (ZEN), commonly found in contaminated food and feed, poses a significant threat to human and animal health, particularly to reproductive function. Mitigating its toxicity represents a critical research priority in food safety. Apigenin (AP) is a naturally occurring dietary flavonoid with phytoestrogenic properties and exhibits diverse pharmacological activities. In this study, we investigated the protective effects of AP against ZEN-induced apoptosis and oxidative stress in Swine Testis (ST) cells and elucidated its underlying mechanisms. The identity of ST cells was verified via RT-PCR and agarose gel electrophoresis. ST cells were treated with 40 mu M ZEN and 1 mu M and 0.1 mu M AP for 24 h. Cell viability was detected via CCK8 and EdU assays, cytotoxicity was evaluated via LDH assay, cell cycle and apoptosis levels were analyzed via flow cytometry, and the mechanism by which AP alleviated the damage caused by ZEN to ST cells was preliminarily revealed using RNA-Seq technology. Further, the expression levels of related genes and proteins were detected by qRT-PCR and Western blot. Our results show that 1 mu M or 0.1 mu M AP effectively attenuated the cytotoxicity induced by 40 mu M ZEN in ST cells, as evidenced by restored cell viability, reduced the LDH level, normalized cell cycle progression, reduced apoptotic rates, and enhanced antioxidant capacity. RNA-Seq analysis was coupled with molecular validation and used to elucidate the mechanisms underlying AP-mediated protection against ZEN-induced cellular injury. It is shown that ZEN suppressed the expression of LRP5, a pivotal gene in the Wnt signaling pathway, along with its downstream effector c-Myc. Conversely, treatment with 1 mu M or 0.1 mu M AP upregulated the expression of LRP5, iASPP, and TRAF2 at both transcriptional and translational levels. Importantly, the protective effects of AP were abrogated with IWR-1-endo, a specific Wnt pathway inhibitor, confirming pathway dependency. Collectively, our findings show that AP alleviates ZEN-induced oxidative stress and apoptosis in ST cells through the upregulation of LRP5 and subsequent activation of the Wnt signaling pathway. This study provides molecular evidence supporting the potential clinical application of AP as a preventive agent against ZEN-induced reproductive toxicity.

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