C-reactive protein and complement as acute phase reactants in common carp Cyprinus carpio during CyHV-3 infection

Pionnier, N., Adamek, M., Miest, Joanna J., Harris, S. J., Matras, M., Rakus, K. Ł., Irnazarow, I. and Hoole, D. (2014) C-reactive protein and complement as acute phase reactants in common carp Cyprinus carpio during CyHV-3 infection Diseases of Aquatic Organisms, 109 (3). pp. 187-199. DOI 10.3354/dao02727.

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Cyprinid herpesvirus 3 (CyHV-3) is the aetiological agent of a highly virulent and lethal disease of common carp Cyprinus carpio and its ornamental koi varieties. However, specific knowledge about immune mechanisms behind the infection process is very limited. We aimed to evaluate the effect of the CyHV-3 infection on the profile of 2 major components of the common carp immune acute phase response: the C-reactive protein (CRP) and the complement system. Common carp were infected with CyHV-3 by bath immersion. Fish were sampled before the infection and at 6, 12, 24, 72, 120 and 336 h post-infection for serum and head kidney, liver, gill and spleen tissues. CRP levels and complement activity were determined from the serum, whereas CRP- and complement-related genes (crp1, crp2, c1rs, bf/c2, c3, masp2) expression profiles were analysed in the tissues by quantitative PCR. Both CRP levels and complement activity increased significantly up to 10- and 3-fold, respectively, in the serum of infected fish during the challenge. Analysis revealed distinct organ- and time-dependent expression profile patterns for all selected genes. These results suggest that CRP and complement behave as acute phase reactants to CyHV-3 infection in common carp with an organ- and time-dependent response.

Document Type: Article
Keywords: Biomarker; Carp; Complement; CRP; Cyprinid herpesvirus 3; KHV; Koi herpesvirus
Research affiliation: OceanRep > GEOMAR > FB3 Marine Ecology > FB3-EV Evolutionary Ecology of Marine Fishes
Refereed: Yes
DOI etc.: 10.3354/dao02727
ISSN: 0177-5103
Projects: ITN NEMO
Date Deposited: 18 Aug 2014 13:26
Last Modified: 18 Aug 2014 13:26
URI: http://eprints.uni-kiel.de/id/eprint/25453

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