Article (Scientific journals)
Increased Inflammation Delays Wound Healing in Mice Deficient in Collagenase-2 (MMP-8)
Gutierrez-Fernandez, A.; Inada, M.; Balbin, M. et al.
2007In FASEB Journal, 21 (10), p. 2580-91
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Keywords :
neutrophil; MMP-9; cancer; protease; degradome
Abstract :
[en] Matrix metalloproteinases (MMPs) have been implicated in numerous tissue-remodeling processes. The finding that mice deficient in collagenase-2 (MMP-8) are more susceptible to develop skin cancer, prompted us to investigate the role of this protease in cutaneous wound healing. We have observed a significant delay in wound closure in MMP8-/- mice and an altered inflammatory response in their wounds, with a delay of neutrophil infiltration during the first days and a persistent inflammation at later time points. These changes were accompanied by alterations in the TGF-beta1 signaling pathway and by an apoptosis defect in MMP8-/- mice. The delay in wound healing observed in MMP8-/- mice was rescued by bone marrow transplantation from wild-type mice. Analysis of other MMPs showed that MMP8-/- mice had a significant increase in the expression of MMP-9, suggesting that both proteases might act coordinately in this process. This possibility was further supported by the novel finding that MMP-8 and MMP-9 form specific complexes in vivo. Taken together, these data indicate that MMP-8 participates in wound repair by contributing to the resolution of inflammation and open the possibility to develop new strategies for treating wound healing defects.
Disciplines :
Biochemistry, biophysics & molecular biology
Author, co-author :
Gutierrez-Fernandez, A.
Inada, M.
Balbin, M.
Fueyo, A.
Pitiot, A. S.
Astudillo, A.
Hirose, K.
Hirata, M.
Shapiro, S. D.
Noël, Agnès ;  Université de Liège - ULiège > Département des sciences biomédicales et précliniques > Biologie cellulaire et moléculaire appliquée à l'homme
Werb, Z.
Krane, S. M.
Lopez-Otin, C.
Puente, X. S.
More authors (4 more) Less
Language :
English
Title :
Increased Inflammation Delays Wound Healing in Mice Deficient in Collagenase-2 (MMP-8)
Publication date :
2007
Journal title :
FASEB Journal
ISSN :
0892-6638
eISSN :
1530-6860
Publisher :
Federation of American Society for Experimental Biology, Bethesda, United States - Maryland
Volume :
21
Issue :
10
Pages :
2580-91
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 27 August 2009

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