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Dev Comp Immunol. 2003 Oct;27(9):801-12.

The effect of intraperitoneally administered recombinant IL-1beta on immune parameters and resistance to Aeromonas salmonicida in the rainbow trout (Oncorhynchus mykiss).

Author information

1
Department of Zoology, University of Aberdeen, Tillydrone Avenue, AB24 2TZ, Scotland, Aberdeen, UK.

Abstract

The present work provides the first information concerning the immunostimulatory activity of trout recombinant interleukin-1 beta (rIL-1beta) in vivo. The predicted rainbow trout mature IL-1beta peptide was produced as a recombinant protein in Escherichia coli. Optimal migration of peritoneal leucocytes and rIL-1beta induced phagocytosis occurred following intraperitoneal injection of 1 microg of the recombinant protein. Moreover, systemic IL-1beta, COX-2 and lysozyme II gene expression was enhanced following >or=1 microg rIL-1beta administration. Finally, resistance to Aeromonas salmonicida, the causative agent of furunculosis, was augmented at early times (2 days) post-injection of 1 microg rIL-1beta.

PMID:
12818637
DOI:
10.1016/s0145-305x(03)00056-9
[Indexed for MEDLINE]

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