| Matrix metalloproteinase-8 expression in periodontal tissues surgically removed from diabetic and non-diabetic patients with periodontal disease. | |
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MedLine Citation:
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PMID: 22092744 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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BACKGROUND: Although it is known that periodontal matrix metalloproteinase-8 (MMP-8) expression is associated with periodontal disease, the information concerning the periodontal MMP-8 expression in diabetic patients with periodontal disease is insufficient. MATERIALS AND METHODS: Periodontal tissue specimens were collected from seven patients without periodontal disease and diabetes (Group 1), 15 patients with periodontal disease alone (Group 2) and 10 patients with both periodontal disease and diabetes (Group 3). The frozen sections were prepared and MMP-8 protein expression was detected using immunohistochemistry and quantified. For in vitro study, human U937 mononuclear cells were pre-exposed to normal or high glucose and then treated with lipopolysaccharide (LPS). RESULTS: The nonparametric Kruskal-Wallis test showed that the difference in MMP-8 protein levels among the three groups were statistically significant (p = 0.003). Nonparametric analysis using Jonckheere-Terpstra test showed a tendency of increase in periodontal MMP-8 levels across Group 1 to Group 2 to Group 3 (p = 0.0002). In vitro studies showed that high glucose and LPS had a synergistic effect on MMP-8 expression. CONCLUSION: Our current study showed an increasing trend in MMP-8 protein expression levels across patients without both periodontal disease and diabetes, patients with periodontal disease alone and patients with both diseases. |
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Authors:
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Douglas C Hardy; Jonathan H Ross; Corinne A Schuyler; Renata S Leite; Elizabeth H Slate; Yan Huang |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-10-20 |
Journal Detail:
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Title: Journal of clinical periodontology Volume: - ISSN: 1600-051X ISO Abbreviation: - Publication Date: 2011 Oct |
Date Detail:
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Created Date: 2011-11-18 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0425123 Medline TA: J Clin Periodontol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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© 2011 John Wiley & Sons A/S. |
Affiliation:
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Division of Periodontics, Department of Stomatology, College of Dental Medicine, Medical University of South Carolina, Charleston, SC, USA. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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