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J Periodontol. 2013 Apr;84(4 Suppl):S113-34. doi: 10.1902/jop.2013.134005.

A review of the evidence for pathogenic mechanisms that may link periodontitis and diabetes.

Author information

  • 1Centre for Oral Health Research and Institute of Cellular Medicine, School of Dental Sciences, Newcastle University, Newcastle upon Tyne, UK. john.taylor@ncl.ac.uk

Abstract

AIMS:

To review the evidence for the molecular and cellular processes that may potentially link periodontal disease and diabetes. The pathogenic roles of cytokines and metabolic molecules (e.g. glucose, lipids) are explored and the role of periodontal bacteria is also addressed. Paradigms for bidirectional relationships between periodontitis and diabetes are discussed and opportunities for elaborating these models are considered.

METHODS:

Database searches were performed using MeSH terms, keywords, and title words. Studies were evaluated and summarized in a narrative review.

RESULTS:

Periodontal microbiota appears unaltered by diabetes and there is little evidence that it may influence glycaemic control. Small-scale clinical studies and experiments in animal models suggest that IL-1b, TNF-a, IL-6, OPG and RANKL may mediate periodontitis in diabetes. The AGE-RAGE axis is likely an important pathway of tissue destruction and impaired repair in diabetes-associated periodontitis. A role for locally activated pro-inflammatory factors in the periodontium, which subsequently impact on diabetes, remains speculative.

CONCLUSION:

There is substantial information on potential mechanistic pathways which support a close association between diabetes and periodontitis, but there is a real need for longitudinal clinical studies using larger patient groups, integrated with studies of animal models and cells/tissues in vitro.

PMID:
23631573
[PubMed - in process]
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