Aflatoxin B1 promotes autophagy associated with oxidative stress-related PI3K/AKT/mTOR signaling pathway in mice testis

作者: Wanyue Huang , Zheng Cao , Jian Zhang , Qiang Ji , Yanfei Li

DOI: 10.1016/J.ENVPOL.2019.113317

关键词:

摘要: Abstract Aflatoxin B1 (AFB1) is a hazard environmental pollutants and the most toxic one of all aflatoxins. AFB1 can cause serious impairment to testicular development spermatogenesis, yet underlying mechanisms remain inconclusive. Oxidative stress acts as master mechanism toxicity, promote autophagy. Abnormal autophagy resulted in damage spermatogenesis disorders. The objective this study was explore effect on mice testis its potential mechanisms. In study, male were intragastrically administered with 0, 0.375, 0.75 or 1.5 mg/kg body weight for 30 days. We found that induced damage, reduced serum testosterone level impaired sperm quality accompanied elevation oxidative germ cell apoptosis. Interestingly, we observed increasing numbers autophagosomes AFB1-exposed testis. Meanwhile, caused abnormal characterization increased expressions LC3, Beclin-1, Atg5 p62. Furthermore, downregulated PI3K, p-AKT p-mTOR Taken together, our data indicated promoted autophagy, which associated stress-related PI3K/AKT/mTOR signaling pathway

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