Abstract
The purpose of the present work was to determine whether dietary selenium (Se) deficiency could influence the injurious effect of human viruses other than Coxsackie virus B3 (CVB3) on mouse heart. Weanling C3H/HeN mice were fed a Se-deficient or Se-adequate diet for 4 wk and then were inoculated intraperitoneally with one of the following viruses: Coxsackie virus B1 (CVB1), echovirus 9 (EV9), Coxsackie virus A9 (CVA9), or herpes simplex 1 (HSV1). Polio virus 1 (PV1) was employed as a negative control. Prior to inoculation, mean serum Se levels were 430 versus 61 ng/mL in adequate versus deficient mice, respectively. Ten days later, hearts were removed and processed by routine histological procedures. Cardiac lesions were scored according to the number and size of myocarditic foci. Significantly greater heart damage resulting from CVB1 and EV9 was observed in Se-deficient than in Se-adequate mice, and the Se status had no influence on CVA9-induced myocarditis. In contrast, heart damage caused by HSV1 was significantly milder in Se-deficient than in Se-adequate mice. Therefore, it may be concluded that the Se status of the murine host selectively influences the degree of viral-induced myocarditic lesions.
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Gómez, R.M., Berría, M.I. & Levander, O.A. Host selenium status selectively influences susceptibility to experimental viral myocarditis. Biol Trace Elem Res 80, 23–31 (2001). https://doi.org/10.1385/BTER:80:1:23
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DOI: https://doi.org/10.1385/BTER:80:1:23