Classical swine fever virus infection modulates serum levels of INF-alpha, IL-8 and TNF-alpha in 6-month-old pigs
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Several studies have highlighted the important role of cytokines in disease development of classical swine fever virus (CSFV) infection. In the present study, we examined the kinetics of 7 porcine cytokines in serum from pigs infected with 3 different CSFV strains. Based on the clinical picture in 6-month-old Danish pigs, the strains used for inoculation were classified as being of low (Bergen), low to moderate (Eystrup) and moderate to high (Lithuania) virulence. The cytokines interferon-alpha (INF-alpha), interleukin-8 (IL-8) and tumor necrosis factor-alpha (TNF-alpha) showed increased levels after CSFV infection with more or less comparable course in the 3 groups. However, the cytokine level peaked with a 2-3 days delay in pigs infected with the low virulent strain compared to those infected with a moderately or highly virulent strain. These findings may indicate that INF-alpha, IL-8 and TNF-alpha are involved in the immune response during CSFV infection with strains of different virulence. (C) 2013 Elsevier Ltd. All rights reserved.
Original language | English |
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Journal | Research in Veterinary Science |
Volume | 95 |
Issue number | 3 |
Pages (from-to) | 1262-1267 |
Number of pages | 6 |
ISSN | 0034-5288 |
DOIs | |
Publication status | Published - 2013 |
ID: 119412808