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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Androstenediol-induced restoration of responsiveness to influenza vaccination in mice.

Androstenediol (AED), a metabolite of dehydroepiandrosterone (DHEA) regulates innate and adaptive immune responses. To examine whether AED could effectively reverse the age-associated decline of antiviral immunity, 3-, 10-, and 22-month-old mice were treated with AED-sulfate (AED-S) for 45 days beginning 10 days prior to vaccination. Subsequently, mice were primed and boosted with suboptimal doses of a commercially-available trivalent influenza vaccine. Treatment of 10-month-old animals with AED-S during vaccination increased the titer of circulating antiviral immunoglobulin G to levels comparable with those in 3-month-old mice. Furthermore, AED-S treatment protected 10-month-old animals from intranasal challenge with a lethal dose of influenza virus 21 days after secondary vaccination. Although AED-S treatment of 22-month-old mice did not enhance vaccine responses and failed to protect against lethal challenge, the data from the 10-month-old animals suggest that treatment with AED-S will prevent the early manifestations of immunosenescence.[1]

References

  1. Androstenediol-induced restoration of responsiveness to influenza vaccination in mice. Padgett, D.A., MacCallum, R.C., Loria, R.M., Sheridan, J.F. J. Gerontol. A Biol. Sci. Med. Sci. (2000) [Pubmed]
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