Journal
JOURNAL OF INTERFERON AND CYTOKINE RESEARCH
Volume 31, Issue 4, Pages 393-400Publisher
MARY ANN LIEBERT, INC
DOI: 10.1089/jir.2010.0069
Keywords
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Funding
- Cooperative State Research, Education, and Extension Service, U.S. Department of Agriculture [2008-35204-1928]
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To better understand the immune response to highly pathogenic avian influenza virus, we compared expression of cytokines in chickens infected with avian influenza virus (A/Vietnam/1203/04) to that in uninfected chickens. Gene expression analyses revealed that influenza disseminated to multiple organs where immune responses could be identified. Among those cytokines influenced by influenza infection were the T helper type (Th)1-associated cytokines interleukin (IL)12 and interferon gamma. In addition, a corresponding downregulation of the intracytoplasmic factor GATA3 was identified, whereas the Th2 cytokines IL4 and IL10 did not appear to be impacted by the infection. The inflammatory cytokine IL6 also appeared to be highly upregulated along with type 1 and type 3 interferon. Together, these data indicate that a strong inflammatory and Th1 response occurs after highly pathogenic avian influenza infection in the chicken that has implications for strategies that target the immune system for improving resistance to avian influenza.
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