Abstract
Deoxynivalenol (DON) is a mycotoxin that causes immunosuppression, especially in swine. Selenium (Se) is essential for proper functioning of the immune system in animals. However, little is known about the effects of DON and Se on cytokine or immunoglobulin production in piglets. Here, we addressed this gap by examining piglet splenic lymphocyte responses in vitro. Cells were stimulated with concanavalin A, a T cell stimulatory lectin, in the absence or presence of DON (0.1, 0.2, 0.4, and 0.8 μg/mL), Se (Na2SeO3, 2 μM), or combinations of Se 2 μM and DON 0.1–0.8 μg/mL for 12, 24, or 48 h. At each time point, supernatants and cells were collected and the expression of cytokine and immunoglobulin protein and mRNA was examined. Compared with control and Se-alone treatments, DON exposure significantly and dose dependently decreased the expression levels of IL-2, IL-4, IL-6, IL-10, IFN-γ, IgG, and IgM mRNA and protein. By contrast, co-treatment with DON + Se significantly increased the mRNA and protein levels of all factors examined, except IL-4 and IL-6, compared with DON treatment alone. The results of this investigation demonstrate that Se has the potential to counteract DON-induced immunosuppression in piglets and is a promising treatment for DON-mediated toxicity.
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Abbreviations
- DON:
-
Deoxynivalenol
- Se:
-
Selenium
- IL-2:
-
Interleukin-2
- IFN-γ:
-
Interferon gamma
- IgM:
-
Immunoglobulin M
- ELISA:
-
Enzyme-linked immuneabsorbent assays
- ConA:
-
Concanavalin A
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Acknowledgments
We thank Anne M. O’Rourke, PhD, from Liwen Bianji, Edanz Group China (www. Liwenbianji.cn/ac), for editing the English text of a draft of this manuscript.
Funding
The present work was supported by the National Natural Science Fund of China (31402269) and the Changjiang Scholars and Innovative Research Team of Ministry of Education of China Funds (grant no. IRTO848).
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Wang, X., Zuo, Z., Deng, J. et al. Protective Role of Selenium in Immune-Relevant Cytokine and Immunoglobulin Production by Piglet Splenic Lymphocytes Exposed to Deoxynivalenol. Biol Trace Elem Res 184, 83–91 (2018). https://doi.org/10.1007/s12011-017-1160-6
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DOI: https://doi.org/10.1007/s12011-017-1160-6