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  • Title: Querectin Alleviates Zinc Oxide Nanoreprotoxicity in Male Albino Rats.
    Author: Hussein MM, Ali HA, Saadeldin IM, Ahmed MM.
    Journal: J Biochem Mol Toxicol; 2016 Oct; 30(10):489-496. PubMed ID: 27111109.
    Abstract:
    Zinc oxide nanopartciles (ZnONPs) involved in advanced technologies, and their wide-scale use in consumer market makes human beings more prone to the exposure to ZnONPs. The present study was undertaken to evaluate amelioration of ZnONP-induced toxicities with querectin in male albino rats. ZnONPs-treated rats showed a significant decrease in sperm cell count, sperm motility, live and normal sperms, as well as serum testosterone level. Severe histopathological damage with a significant increase in lipid peroxidation and a decrease in antioxidant enzymes activity and the GSH level were observed in the affected testis. Relative quantitative polymerase chain reaction results showed a significant decrease in antioxidant enzymes (superoxide dismutase and catalase) and a significant decrease in 3β-HSD, 17β-HSD, and Nr5A1 transcripts. Rats-administered querectin along with ZnONPs showed less toxic effects on all studied reproductive traits and mRNA transcripts. Our results suggest that querectin is beneficial for preventing or ameliorating ZnONP reproductive toxicities in males.
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