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Biological activity of sea bass (Dicentrarchus labrax L.) recombinant interleukin-1ß
Buonocore, F.; Forlenza, M.; Randelli, E.; Benedetti, S.; Bossu, P.; Meloni, S.; Secombes, C.J.; Mazzini, M.; Scapigliati, G. (2005). Biological activity of sea bass (Dicentrarchus labrax L.) recombinant interleukin-1ß. Mar. Biotechnol. 7(6): 609-617.
In: Marine Biotechnology. Springer-Verlag: New York. ISSN 1436-2228, more
Peer reviewed article  

Available in  Authors 

    Phagocytosis; Dicentrarchus labrax (Linnaeus, 1758) [WoRMS]; Marine
Author keywords
    European sea bass; cytokine; interleukin 1 beta; proliferation;phagocytosis; cyclooxygenase 2

Authors  Top 
  • Buonocore, F.
  • Forlenza, M.
  • Randelli, E.
  • Benedetti, S.
  • Bossu, P.
  • Meloni, S.
  • Secombes, C.J.
  • Mazzini, M.
  • Scapigliati, G.

    Biological activities of a putative mature sea bass interleukin-1β peptide, produced as a recombinant protein (rIL-1β) in Escherichia coli, have been investigated. The rIL-1β contains a 6-histidine tag at the N-terminus, and protein purification has been achieved through this tag by affinity chromatography. Biological activities have been investigated both at the cellular and gene expression levels. In in vitro assays sea bass rIL-1β induced the proliferation of murine D10.G4.1 cells and increased yeast phagocytosis by sea bass head kidney leukocytes. The purified cytokine was also tested in a lymphocyte-activation factor assay, where it induced the proliferation of sea bass thymocytes. Finally, in an in vivo assay, rIL-1β administered intraperitoneally increased expression levels of the IL-1β gene and activated macrophages to produce a cyclooxygenase 2 homologue (COX-2) gene in the head kidney.

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