Abstract Title:

Protection from H1N1 influenza virus infections in mice by supplementation with selenium: a comparison with selenium-deficient mice.

Abstract Source:

Chin J Integr Med. 2005 Sep;11(3):187-90. PMID: 20490710

Abstract Author(s):

Lei Yu, Lei Sun, Yi Nan, Li-Ying Zhu

Article Affiliation:

Department of Infectious Disease, The Forth Hospital of Harbin Medical University, Harbin, 150001, People's Republic of China.


The present paper describes protective effects of supplemental selenium in mice infected with influenza virus. The effects of supplemental selenium on serum selenium levels, mortality, lung virus titers, and cytokine titers were investigated in mice inoculated intranasally with suspensions of influenza virus. Whereas the mortality of the virus-infected Se-deficient mice was 75%, along with a marked reduction in body weight, lower levels of TNF-alpha and IFN-gamma and lower serum selenium concentrations, the mortality of mice maintained on feed containing 0.5 mg Se/kg in the form of sodium selenite was 25%.There were no significantly differences, however, in viral titer between the Se-adequate and the selenium-supplemented groups. The data indicate that selenium supplementation may provide a feasible approach to improving the immune response to viral infections, such as lethal influenza infection.

Study Type : Animal Study

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