Differential expression of the pro-inflammatory cytokinesIL-1ÃͶ-1, TNFa and IL-8 in vaccinated pink (Oncorhynchus gorbuscha) and chum (Oncorhynchus keta) salmon juveniles

Alternative titleFish & Shellfish Immunology
DOIResolve DOI: http://doi.org/10.1016/j.fsi.2006.06.012
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Pages403407; # of pages: 5
Subjectvaccination; juvenile salmon; inflammatory; gene expression; anadromous species; bacterial diseases; bacterins; elongation; fish diseases; fish physiology; immune response; inflammation; Oncorhynchus gorbuscha; Oncorhynchus keta; Aeromonas salmonicida; liver; kidney; tumor necrosis factor- alpha; tumours; juveniles; interleukin 8; interleukin 1
AbstractLaboratory-reared pink and chum salmon juveniles (2 g) received an intraperitoneal injection with a commercial, unadjuvanted Aeromonas salmonicida bacterin or sterile saline. Relative to elongation factor-1A, expression levels of genes encoding the proinflammatory cytokines interleukin-1?-1 (IL-1?), tumour necrosis factor-?-1 (TNF?) and interleukin-8 (IL-8) in pools of kidney and liver were examined 6- and 24-h after injection. Expression of IL-1? was significantly elevated in pink and chum salmon by 6-h, and declined in pink salmon but not in chum salmon by 24-h. Similarly, expression of TNF? was significantly elevated in both species at 6 h and only in chum salmon after 24-h. Expression of IL-8 was significantly elevated in both species at 6- and 24-h after injection. Expression of the three proinflammatory cytokine genes differed between salmon species both in the timing and magnitude of their expression. The significance of these differences with respect to immune function in these fish requires further research.
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Copyright noticeCopyright © 2007 Elsevier Ltd. All rights reserved
AffiliationNRC Institute for Marine Biosciences; National Research Council Canada; NRC Genomics and Health Initiative
Peer reviewedYes
NRC number1233
NPARC number3538506
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Record identifierbd741699-4196-4384-95e8-3fd8dac858d5
Record created2009-03-01
Record modified2016-05-09
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