Abstract
In this study the effects of polybrominated diphenyl ether compounds (PBDEs), BDE-47 and BDE-99 on carassius aurats were discussed. The reproductive capacity viability and proliferation percent decreased with increasing BDE-47 and BDE-99 concentrations (p<0.05), presenting a dose-dependent manner. Physiological biomarkers such as cholesterol (CHL), acetylcholinesterase (AChE), ethoxyresorufin-O-deethylase (EROD) and vitamin were studied to reveal the toxicological effects of BDE-47 and BDE-99 exposure. CHL levels generally decrease with increasing BDE-47 exposure. However, there were no significant differences between the samples and the control. As to BDE-99, the CHL level decreased as compared with the control level when the BDE-99 concentrations reached 20 μg/L (p<0.05). The degree of inhibition of the AChE increased with the increase of DE-47and BDE-99 concentrations. The EROD activity during 72 hours’ exposure significantly increased to 20 μg/L for BDE-47 (p<0.05), however, EROD activity was not significantly different at different concentrations of BDE-99 (p<0.05). Carassius aurats hepatocytes reacted to the BDE-47 exposure with increasing EROD activities in the dose dependent manner. Although at lower concentrations, the induced effects of BDE-47 and BDE-99 were not significantly different, though BDE-47 showed strong induced effects on the EROD activity with increasing concentrations in carassius aurats hepatocytes. In contrast, BDE-99 did not influence EROD activity consistently. The VA level of carassius aurats was significantly different from that of the controls for BDE-99 (p<0.001), as far as the VA level was significantly lower of carassius aurats than the controls for BDE-47 (p<0.001). CHL, AChE, EROD, and VA levels in carassius aurats were differently affected by BDE-47 and BDE-99 exposures, therefore, they would be good indicators for exposure.
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Han, Z., Lv, C. & Zheng, Z. Toxicological effects of PBDEs on carassius aurats . Chin. J. Geochem. 29, 217–222 (2010). https://doi.org/10.1007/s11631-010-0217-4
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DOI: https://doi.org/10.1007/s11631-010-0217-4