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Published on: January 21, 2020
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Leukocyte receptor expression in chronic periodontitis
1Clinical Oral Research Centre, Institute of Dentistry, Queen Mary University London (QMUL), London, UK.
Clinical Oral Investigations
|March 11, 2016
Summary
Leukocyte receptor expression differs significantly between diseased and healthy periodontal tissues in chronic periodontitis patients. This finding highlights distinct immune responses in periodontal disease.
Area of Science:
- Immunology
- Periodontology
- Cell Biology
Background:
- Periodontal diseases stem from microbial recognition via leukocyte receptors.
- Susceptible individuals may develop periodontal disease due to these immune responses.
Purpose of the Study:
- To investigate leukocyte receptor expression in gingival tissues of chronic periodontitis patients.
- To compare receptor expression between diseased and healthy periodontal sites.
Main Methods:
- Gingival biopsies were obtained from 37 chronic periodontitis patients.
- Flow cytometry analyzed the expression of 16 leukocyte receptors (e.g., CD4, CD14, CD16, HLA-DR).
- Comparison was made between diseased sites and control sites (probing pocket depth <4 mm).
Main Results:
- All 16 leukocyte receptors showed higher expression in diseased sites versus control sites (p < 0.005).
- Reduced bleeding on probing correlated with increased CD16 and CD14 receptor expression (p = 0.020 and 0.011).
Conclusions:
- Significant differences exist in leukocyte receptor expression between diseased and control periodontal sites within the same patients.
- These findings underscore the localized immune dysregulation in chronic periodontitis.

