Concomitant upregulation of matrix metalloproteinase-2 in lesions and circulating plasma of oral lichen planus

Lo Lin Tsai, Shun Fa Yang, Chung Hung Tsai, Ming Yung Chou, Yu Chao Chang

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Background/purpose: Oral lichen planus (OLP) is a chronic inflammatory disorder characterized by a T cell-mediated immune response against epithelial cells. Matrix metalloproteinases (AAMPs) are an important group of zinc enzymes and are thought to play an important role in the degradation of components of the extracellular matrix. The aim of this study was to assess the expression of MMP-2 and MMP-9 in both tissue specimens and circulating plasma. Materials and methods: Twelve cases of OLP were collected. In addition, six cases with chronic inflammation and six normal subjects were also recruited. Oral tissue specimens were collected for measurement of AAMPs by immunohistochemistry, and sera prepared from peripheral blood were used for gelatin zymography to determine AAMP levels in plasma. Results: The level of AAMP-2 in patients with OLP was significantly higher than that in the other two groups, both in tissues and sera (P<0.0001). However, there was no difference in the expression of AAMP-9 among these groups. Conclusion: AAMP-2 overexpression in OLP is consistent with its upregulation in peripheral serum. This result also indicates that AAMP-2 might play a role in the pathogenesis of OLP.

Original languageEnglish
Pages (from-to)7-12
Number of pages6
JournalJournal of Dental Sciences
Volume4
Issue number1
DOIs
Publication statusPublished - Mar 2009
Externally publishedYes

Fingerprint

Oral Lichen Planus
Matrix Metalloproteinase 2
Up-Regulation
Matrix Metalloproteinases
Serum
Gelatin
Extracellular Matrix
Zinc
Epithelial Cells
Immunohistochemistry
Inflammation
T-Lymphocytes
Enzymes

Keywords

  • Gelatin zymography
  • Immunohistochemistry
  • Matrix metalloproteinases
  • Oral lichen planus
  • Serum

ASJC Scopus subject areas

  • Dentistry(all)

Cite this

Concomitant upregulation of matrix metalloproteinase-2 in lesions and circulating plasma of oral lichen planus. / Tsai, Lo Lin; Yang, Shun Fa; Tsai, Chung Hung; Chou, Ming Yung; Chang, Yu Chao.

In: Journal of Dental Sciences, Vol. 4, No. 1, 03.2009, p. 7-12.

Research output: Contribution to journalArticle

Tsai, Lo Lin ; Yang, Shun Fa ; Tsai, Chung Hung ; Chou, Ming Yung ; Chang, Yu Chao. / Concomitant upregulation of matrix metalloproteinase-2 in lesions and circulating plasma of oral lichen planus. In: Journal of Dental Sciences. 2009 ; Vol. 4, No. 1. pp. 7-12.
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