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Soluble CD163 as a biomarker of periodontal disease - A biochemical study using enzyme-linked immunosorbent assay
Karthikeyan S S Sai1, R G Shiva Manjunath1, Geetika Kumar1
1Department of Periodontics, Institute of Dental Sciences, Bareilly International University, Bareilly, Uttar Pradesh, India.
Background:
The aim of the study was to evaluate the levels of soluble CD163 (sCD163) in gingival crevicular fluid (GCF) and blood serum of individuals having periodontitis, gingivitis, and healthy periodontium. Further, the role of sCD163 as a biomarker of periodontal disease was also assessed.
Materials And Methods:
A minimum of 5-μl GCF and 10 ml of venous blood was collected using a micropipette and 10-ml syringe, respectively, from the study population which was divided into three groups as healthy (Group I, n = 10), gingivitis (Group II, n = 10), and periodontitis (Group III, n = 10). sCD163 samples were assessed using a commercially available sCD163 enzyme-linked immunosorbent assay kit. Clinical parameters such as oral hygiene index simplified, gingival index (GI), percentage of sites with bleeding on probing, probing depth, and clinical attachment loss were recorded.
Results:
The mean serum sCD13 levels were 743.45 ± 51.17 ng/ml, 563.25 ± 103.74 ng/ml, and 431.0 ± 31.08 ng/ml when compared to the mean GCF sCD163 levels which were 59.81 ± 7.61 ng/ml, 38.93 ± 12.42 ng/ml, and 30.49 ± 12.60 ng/ml for periodontitis, gingivitis, and healthy individuals, respectively. The sCD163 levels were higher in patients with periodontitis when compared to the periodontally healthy individuals.
Conclusion:
Within the limitations of the present study, it can be concluded that sCD163 levels can be used as a diagnostic marker of disease as its levels are remarkably increased in GCFs of patients having periodontitis.
