Article (Scientific journals)
Cyprinid Herpesvirus 3 Il10 Inhibits Inflammatory Activities of Carp Macrophages and Promotes Proliferation of Igm+ B Cells and Memory T Cells in a Manner Similar to Carp Il10.
Piazzon, M. Carla; Wentzel, Annelieke S.; Tijhaar, Edwin J. et al.
2015In Journal of Immunology, 195 (8), p. 3694-704
Peer Reviewed verified by ORBi
 

Files


Full Text
3694.full.pdf
Publisher postprint (1.58 MB)
Download

All documents in ORBi are protected by a user license.

Send to



Details



Keywords :
Animals; B-Lymphocytes/immunology; Carps/immunology/virology; Fish Proteins/immunology; Herpesviridae/immunology; Humans; Immunologic Memory; Interleukin-10/immunology; Macrophages/immunology; STAT3 Transcription Factor/immunology; Signal Transduction/immunology; Viral Proteins/immunology
Abstract :
[en] Cyprinid herpesvirus 3 (CyHV-3) is the causative agent of a lethal disease of carp and encodes for an Il10 homolog (ORF134). Our previous studies with a recombinant ORF134-deleted strain and the derived revertant strain suggested that cyprinid herpesvirus 3 Il10 (CyHV-3 Il10 [cyhv3Il10]) is not essential for viral replication in vitro, or virulence in vivo. In apparent contrast, cyhv3Il10 is one of the most abundant proteins of the CyHV-3 secretome and is structurally very similar to carp Il10 and also human IL10. To date, studies addressing the biological activity of cyhv3Il10 on cells of its natural host have not been performed. To address the apparent contradiction between the presence of a structurally conserved Il10 homolog in the genome of CyHV-3 and the lack of a clear phenotype in vivo using recombinant cyhv3Il10-deleted viruses, we used an in vitro approach to investigate in detail whether cyhv3Il10 exerts any biological activity on carp cells. In this study, we provide direct evidence that cyhv3Il10 is biologically active and, similarly to carp Il10, signals via a conserved Stat3 pathway modulating immune cells of its natural host, carp. In vitro, cyhv3Il10 deactivates phagocytes with a prominent effect on macrophages, while also promoting proliferation of Igm(+) B cells and memory T cells. Collectively, this study demonstrates a clear biological activity of cyhv3Il10 on cells of its natural host and indicates that cyhv3Il10 is a true viral ortholog of carp Il10. Furthermore, to our knowledge, this is the first report on biological activities of a nonmammalian viral Il10 homolog.
Disciplines :
Veterinary medicine & animal health
Author, co-author :
Piazzon, M. Carla
Wentzel, Annelieke S.
Tijhaar, Edwin J.
Rakus, Krzysztof L.
Vanderplasschen, Alain ;  Université de Liège > Immunologie et vaccinologie
Wiegertjes, Geert F.
Forlenza, Maria
Language :
English
Title :
Cyprinid Herpesvirus 3 Il10 Inhibits Inflammatory Activities of Carp Macrophages and Promotes Proliferation of Igm+ B Cells and Memory T Cells in a Manner Similar to Carp Il10.
Publication date :
2015
Journal title :
Journal of Immunology
ISSN :
0022-1767
eISSN :
1550-6606
Publisher :
American Association of Immunologists, United States - Maryland
Volume :
195
Issue :
8
Pages :
3694-704
Peer reviewed :
Peer Reviewed verified by ORBi
Commentary :
Copyright (c) 2015 by The American Association of Immunologists, Inc.
Available on ORBi :
since 06 March 2017

Statistics


Number of views
49 (3 by ULiège)
Number of downloads
139 (1 by ULiège)

Scopus citations®
 
25
Scopus citations®
without self-citations
21
OpenCitations
 
18

Bibliography


Similar publications



Contact ORBi