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Advances in Research on the Toxicological Effects of Selenium

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Abstract

Selenium is a trace element necessary for the growth of organisms. Moreover, selenium supplementation can improve the immunity and fertility of the body, as well as its ability to resist oxidation, tumors, heavy metals, and pathogenic microorganisms. However, owing to the duality of selenium, excessive selenium supplementation can cause certain toxic effects on the growth and development of the body and may even result in death in severe cases. At present, increasing attention is being paid to the development and utilization of selenium as a micronutrient, but its potential toxicity tends to be neglected. This study systematically reviews recent research on the toxicological effects of selenium, aiming to provide theoretical references for selenium toxicology-related research and theoretical support for the development of selenium-containing drugs, selenium-enriched dietary supplements, and selenium-enriched foods.

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Abbreviations

ABA:

Abscisic acid

AIDS:

Acquired immunodeficiency syndrome

GSH-Px:

Glutathione peroxidase

Nano-Se:

Nano-selenium

MDA:

Malondialdehyde

SOD:

Superoxide dismutase

CAT:

Catalase

POD:

Peroxidase

ROS:

Reactive oxygen species

SDG:

Selenodiglutathione

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Acknowledgements

This study was supported by grants from the National Natural Science Foundation of China (No. 31860708), the Natural Science Foundation of Guangxi Zhuang Autonomous Region (No. 2017GXNSFBA198025) and the Guangxi driving innovation major project (No. GK-AA17202037 and No. GK-AB16380164)

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QL had the idea for the article, XL, KN, ZG, TQ and XQ performed the literature search and data analysis, QL drafted the work, DW and YZ critically revised the work. All authors read and approved the final version of the manuscript.

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Correspondence to Daobo Wang or Yulin Zhu.

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Lv, Q., Liang, X., Nong, K. et al. Advances in Research on the Toxicological Effects of Selenium. Bull Environ Contam Toxicol 106, 715–726 (2021). https://doi.org/10.1007/s00128-020-03094-3

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  • DOI: https://doi.org/10.1007/s00128-020-03094-3

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