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dc.contributor.authorLorencini, Márcioes_ES
dc.contributor.authorSilva, Juliete A.F.es_ES
dc.contributor.authorde la Hoz, Cristiane L.R.-
dc.contributor.authorCarvalho Hernandes, F.-
dc.contributor.authorStach-Machado Dagmar, R.-
dc.date.accessioned2013-09-25T08:06:42Z-
dc.date.available2013-09-25T08:06:42Z-
dc.date.issued2009-
dc.identifier.issn0213-3911es_ES
dc.identifier.urihttp://hdl.handle.net/10201/36079-
dc.description.abstractIn periodontal disease, extensive disorganization of the extracellular matrix promotes the loss of adhesion between the teeth and periodontium. A previous study suggested a reduction in the area occupied by collagen in the gingiva, during the first week of periodontal disease induction, however, the remaining fibers were more compact and thicker. Therefore, it was decided to investigate which of the MMP-2, -9, -14 and RECK, an MMP inhibitor, were involved in these modifications taking place in early gingivitis induced by ligature. The results of gene expression analysis indicated no changes for RECK. MMP-14 showed a reduction at 7 days of inflammation, and there was an immediate increase in MMP-2 gene expression and enzymatic activity, apparently by the stimulation of resident cells such as fibroblasts. A peak of MMP-9 expression 5 days after ligature followed after the peak of enzymatic activity found two days earlier. This pattern was consistent with the kinetics of macrophage and neutrophil recruitment. Immunohistochemistry suggested that MMP-9 was produced by both resident and inflammatory cells. Based on this evidence, it is suggested that extracellular matrix remodeling is related to MMP-2 and -9 production and activation. This allowed us to conclude that the host inflammatory response represents a significant factor for the advance of periodontal diseases.es_ES
dc.formatapplication/pdfes_ES
dc.format.extent10es_ES
dc.languageenges_ES
dc.publisherMurcia : F. Hernándezes_ES
dc.relation.ispartofHistology and histopathologyes_ES
dc.rightsinfo:eu-repo/semantics/openAccesses_ES
dc.subjectInflammatory cellses_ES
dc.subjectGingivitises_ES
dc.subject.other576 - Biología celular y subcelular. Citologíaes_ES
dc.titleChanges in MMPs and inflammatory cells in experimental gingivitises_ES
dc.typeinfo:eu-repo/semantics/articlees_ES
Aparece en las colecciones:Vol.24, nº2 (2009)

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