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  • Title: Estimation of the Oxidative Stress and Molecular Damage Caused by 1-Butyl-3-Methylimidazolium Bromide Ionic Liquid in Zebrafish Livers.
    Author: Dong M, Liu T, Wang J, Wang J, Zhu L, Zhang J.
    Journal: J Biochem Mol Toxicol; 2016 May; 30(5):232-8. PubMed ID: 26681321.
    Abstract:
    The present study investigated the toxic effects of 1-butyl-3-methylimidazolium bromide ([C4 mim]Br) in zebrafish livers after exposure to 5-40 mg/L of [C4 mim]Br on days 7, 14, 21, and 28. The results showed that low levels of [C4 mim]Br exposure activated the superoxide dismutase (SOD) activity during early periods of exposure. However, high concentrations (20-40 mg/L) of [C4 mim]Br caused the inhibition of SOD, which, accordingly, led to excess reactive oxygen species and malondialdehyde. The present results indicate that [C4 mim]Br causes oxidative stress in the livers of both male and female zebrafish. Additionally, the DNA damage revealed that [C4 mim]Br has a genotoxic effect on zebrafish livers, even when the concentration of [C4 mim]Br is low (5 mg/L). The DNA damage was demonstrated by quantifying the DNA strand breakage.
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