首页> 外文期刊>Environmental toxicology and pharmacology >Protective effects of proanthocyanidins against cadmium-induced testicular injury through the modification of Nrf2-Keapl signal path in rats
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Protective effects of proanthocyanidins against cadmium-induced testicular injury through the modification of Nrf2-Keapl signal path in rats

机译:原花青素通过修饰Nrf2-Keapl信号通路对镉诱导的睾丸损伤的保护作用

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摘要

The purpose of this study was to evaluate the potential chemoprotective effects of proanthocyanidins (PAs) against cadmium (Cd)-induced oxidative damage of testes via Nrf2-Keapl signal pathway in rats. Briefly, by using biochemical histological analysis, as well as the real time PCR and western blot approach, oxidative damage in rat testicular tissue was observed after exposure to Cd. In addition, significant down-regulations of mRNA and protein levels of nuclear erythroid 2-related factor 2 (Nrf2) and heme oxygenase 1 (HO-1), γ-glutamyl cysteine synthetase (γ-GCS), glutathione peroxidase (GSH-Px) and quinone oxidoreductase 1 (NQO1), as well as a significant up-regulation of Kelch sample related protein-1 (Keap1) levels in testicular tissue were observed after Cd exposure. Notably, these alterations were reverted back to near normalcy in Cd + PAs group rats. In conclusion, PAs exhibited a significant chemopreventive potential against Cd-induced testicular oxidative damage in rats, possibly through the modification of Nrf2-Keap1 signal path.
机译:这项研究的目的是评估通过Nrf2-Keapl信号通路对原花青素(PAs)对镉(Cd)诱导的睾丸氧化损伤的潜在化学保护作用。简而言之,通过使用生化组织学分析以及实时PCR和western blot方法,在暴露于Cd后观察到大鼠睾丸组织的氧化损伤。此外,核红系2相关因子2(Nrf2)和血红素加氧酶1(HO-1),γ-谷氨酰半胱氨酸合成酶(γ-GCS),谷胱甘肽过氧化物酶(GSH-Px)的mRNA和蛋白水平显着下调。 )和Cd暴露后,观察到睾丸组织中Kelch样品相关蛋白1(Keap1)的水平明显上调,并且醌氧化还原酶1(NQO1)显着升高。值得注意的是,这些改变在Cd + PAs组大鼠中恢复了接近正常水平。总之,PAs可能通过修饰Nrf2-Keap1信号通路而对Cd诱导的大鼠睾丸氧化损伤具有显着的化学预防潜力。

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    Key Laboratory of Zoonosis of Lianning Province, College of Animal Science & Veterinary Medicine, Shenyang Agricultural University, Shenyang 110866, China;

    Key Laboratory of Zoonosis of Lianning Province, College of Animal Science & Veterinary Medicine, Shenyang Agricultural University, Shenyang 110866, China;

    Key Laboratory of Zoonosis of Lianning Province, College of Animal Science & Veterinary Medicine, Shenyang Agricultural University, Shenyang 110866, China;

    Key Laboratory of Zoonosis of Lianning Province, College of Animal Science & Veterinary Medicine, Shenyang Agricultural University, Shenyang 110866, China;

    Key Laboratory of Zoonosis of Lianning Province, College of Animal Science & Veterinary Medicine, Shenyang Agricultural University, Shenyang 110866, China;

    Key Laboratory of Zoonosis of Lianning Province, College of Animal Science & Veterinary Medicine, Shenyang Agricultural University, Shenyang 110866, China;

    Key Laboratory of Zoonosis of Lianning Province, College of Animal Science & Veterinary Medicine, Shenyang Agricultural University, Shenyang 110866, China;

    Key Laboratory of Zoonosis of Lianning Province, College of Animal Science & Veterinary Medicine, Shenyang Agricultural University, Shenyang 110866, China;

    Key Laboratory of Zoonosis of Lianning Province, College of Animal Science & Veterinary Medicine, Shenyang Agricultural University, Shenyang 110866, China;

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  • 正文语种 eng
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  • 关键词

    Proanthocyanidins; Cadium; Oxidative damage; Nrf2-Keap1; Signal path; Testes; Wistar rats;

    机译:原花青素;钙;氧化损伤;Nrf2-Keap1;信号路径睾丸;Wistar大鼠;

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