Abstract：
:Type III interferons (IFN-λs) comprise a group of newly identified antiviral cytokines that are functionally similar to type I IFNs and elicit first-line antiviral responses. Recently, type III IFNs were identified in several species; however, little information is available about type III IFNs in ducks. We compared the expression of type III IFNs and their receptor in chicken embryonic fibroblasts (CEFs) and duck embryonic fibroblasts (DEFs) in response to influenza virus infection. The results showed that the expression of type III IFNs was upregulated in both DEFs and CEFs following infection with H1N1 influenza virus or treatment with poly (I:C), and expression levels were significantly higher in CEFs than in DEFs at each time point. The expression of the receptor for type III IFNs (IL-28Rα) was also upregulated following infection with H1N1 virus or treatment with poly (I:C) and was significantly higher in CEFs than in DEFs at each time point. The expression of the receptor for type III IFNs occurred from 8 hpi and remained at similar levels until 36 hpi in CEFs, but the expression level was elevated from 36 hpi in DEFs. These findings revealed the existence of distinct expression patterns for type III IFNs in chickens and ducks in response to influenza virus infection. The provided data are fundamentally useful in furthering our understanding of type III IFNs and innate antiviral responses in different species.
journal_name
Mol Immunoljournal_title
Molecular immunologyauthors
Zhang Z,Zou T,Hu X,Jin Hdoi
10.1016/j.molimm.2015.10.013subject
Has Abstractpub_date
2015-12-01 00:00:00pages
657-62issue
2 Pt Ceissn
0161-5890issn
1872-9142pii
S0161-5890(15)30102-4journal_volume
68pub_type
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