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| Content Provider | PubMed Central |
|---|---|
| Author | Magdalena, Chadzinska Baginski, Pawel Kolaczkowska, Elzbieta Savelkoul, Huub F. J. Kemenade, B. M. Lidy Verburg-van |
| Copyright Year | 2008 |
| Abstract | Matrix metalloproteinase 9 (MMP-9) belongs to a family of zinc-dependent endopeptidases. As a consequence of its ability to cleave structural extracellular matrix molecules, mammalian MMP-9 is associated with vital inflammatory processes such as leucocyte migration and tissue remodelling and regeneration. Interestingly, MMP-9 genes have been identified in fish, but functional data are still limited and focus on the involvement of MMP-9 in embryonic development, reproduction and post-mortem tenderization. Here, we describe the involvement of MMP-9 in the innate immunity of carp. In carp, MMP-9 was most notably expressed in classical fish immune organs and in peritoneal and peripheral blood leucocytes, indicating a role of MMP-9 in immune responses. In our well-characterized zymosan-induced peritonitis model for carp, we analysed expression of the MMP-9 gene and the gelatinolytic levels of both pro- and activated forms of MMP-9. The biphasic profile of MMP-9 mRNA expression indicated involvement during the initial phase of inflammation and during the later phase of tissue remodelling. Also, in vitro stimulation of carp phagocytes with lipopolysaccharide or concanavalin A increased MMP-9 gene expression, with a peak at 24 hr. The increase of MMP-9 mRNA correlated with the peak of MMP-9 gelatinolytic level in culture supernatants. These results provide evidence for an evolutionarily conserved and relevant role of MMP-9 in the innate immune response. |
| Related Links | http://dx.doi.org/10.1111/j.1365-2567.2008.02874.x |
| Ending Page | 610 |
| Page Count | 10 |
| Starting Page | 601 |
| File Format | |
| ISSN | 00192805 |
| e-ISSN | 13652567 |
| Journal | Immunology |
| Issue Number | 4 |
| Volume Number | 125 |
| Language | English |
| Publisher | Blackwell Science Inc |
| Publisher Date | 2008-12-01 |
| Access Restriction | Open |
| Rights Holder | Blackwell Science Inc |
| Subject Keyword | Immunology Immunology and Allergy Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Immunology and Allergy Immunology |
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