Molecular cloning, characterization and mRNA expression of duck interleukin-17F
- Authors
- Kim, Woo H.; Fernandez, Cherry P.; Diaz, Joyce Anne R.; Jeong, Jipseol; Kim, Suk; Lillehoj, Hyun S.; Chang, Hong H.; Min, Wongi
- Issue Date
- 15-Apr-2015
- Publisher
- ELSEVIER
- Keywords
- Duck; Cytokine; Salmonella infection; Interleukin-17F
- Citation
- VETERINARY IMMUNOLOGY AND IMMUNOPATHOLOGY, v.164, no.3-4, pp.194 - 200
- Indexed
- SCIE
SCOPUS
- Journal Title
- VETERINARY IMMUNOLOGY AND IMMUNOPATHOLOGY
- Volume
- 164
- Number
- 3-4
- Start Page
- 194
- End Page
- 200
- URI
- https://scholarworks.bwise.kr/gnu/handle/sw.gnu/17297
- DOI
- 10.1016/j.vetimm.2015.02.007
- ISSN
- 0165-2427
- Abstract
- Interleukin-17F (IL-17F) is a proinflammatory cytokine that plays an important role in gut homeostasis. A full-length duck IL-17F (dulL-17F) cDNA with a 510-bp coding region was identified in ConA-activated splenic lymphocytes. dulL-17F is predicted to encode 166 amino acids, including a 26-amino acid signal peptide, a single N-linked glycosylation site, and six cysteine residues that are conserved in mammalian IL-17. dulL-17F shares 77.5% amino acid sequence identity with chicken IL-17F (chIL-17F), 37-46% with corresponding mammalian homologues, and 53.5% with the previously described duck IL-17A (duIL-17A). The duIL-17F transcripts were expressed in a wide range of untreated tissues; levels were highest in the liver and moderate in the thymus, bursa, kidney, and intestinal tissues. Expression levels of duIL-17F transcript were slightly up-regulated in ConA- and LPS-activated splenic lymphocytes but not in poly I:C stimulated cells. duIL-17F forms heterodimers with dulL-17A. Recombinant dulL-17F, like dulL-17A, induced IL-1 beta, IL-6, and IL-8 expression in duck embryonic fibroblasts (DEFs). dulL-17A, but not duIL-17F expression, was significantly up-regulated in the liver and spleen of Salmonella Typhimurium-infected ducks. Further analysis of the contributions of IL-17F to different Salmonella spp. or other disease models will be required to expand our understanding of its biological functions. (C) 2015 Elsevier B.V. All rights reserved.
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