Bioaccumulation, oxidative stress, immune responses and immune-related genes expression in northern snakehead fish, Channa argus, exposure to waterborne selenium
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The objective of this study was to evaluate the toxic effects on bioaccumulation, oxidative stress, immune responses and immune-related genes expression of Channa argus exposed for 28 days with waterborne selenium (0, 50, 100, 200, and 400 µg/L). After 28 days, the order of Se accumulation in tissues was kidney > liver > spleen > intestine > gill > muscle. Antioxidant parameters in liver and spleen of C. argus evidenced an oxidative stress condition in waterborne selenium. In addition, immunological parameters and immune-related gene expression were all enhanced with an increase in Se expose levels. Our results suggest that waterborne Se exposure can induce considerable Se accumulation, oxidative stress and immunotoxic effects on C. argus.
KeywordsChanna argus Selenium Bioaccumulation Oxidative stress Immune responses
The research was supported by the National Natural Science Foundation of China (No. 31372540) and earmarked fund for Modern Agro-industry Technology Research System (CARS-46).
Compliance with ethical standards
Conflict of interest
The authors declare that they have no conflict of interest.
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