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Year : 2021  |  Volume : 13  |  Issue : 2  |  Page : 175-180

Comparison of stem cell markers on Gingival mesenchymal stem cells among diabetic and healthy individuals. An Ex Vivo Pilot study

Department of Periodontology, J. S. S. Dental College & Hospital, J. S. S. Academy of Higher Education and Research, Mysuru, Karnataka, India

Correspondence Address:
Dr. Suman Basavaraju
Department of Periodontology, J. S. S. Dental College & Hospital, J. S. S. Academy of Higher Education and Research, Mysuru 570015, Karnataka.
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jioh.jioh_272_20

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Aim: Diabetes mellitus (DM), being a risk factor for periodontal disease, affects various cellular functions, and it plays an important role in periodontal regeneration. However, the effect of hyperglycemia on Gingival mesenchymal stem cells (GMSCs) is unclear. We aim at investigating the effect of hyperglycemia on stem cell markers of GMSCs compared with normoglycemic conditions. Materials and Methods: An ex vivo pilot study was conducted by obtaining primary gingival tissues from subjects. Subjects from the outpatient department of periodontology were randomly selected according to the criteria. Three subjects with an HbA1c of >6.5 were selected as the test group, and three subjects with an HbA1c <6 served as controls. The tissue was enzymatically digested in 0.5 mg/mL collagenase (Sigma-Aldrich) and cultured in Knockout Dulbecco‘s Modified Eagles Medium (DMEM - KO medium, Life Technologies). MSC-like cells isolated were examined under a microscope and investigated for specific cell surface antigens CD73, CD90, CD105, CD34, CD45, HLA ABC, and HLA DR by using flow cytometry. Data were analyzed by a two-tailed non-parametric Mann–Whitney U test using SPS software. P < 0.05 was considered statistically significant. Results: The immunophenotype characterization in both test and control exhibited positive expression of CD73 (94.95%,95.93%), CD90 (98.05%, 88.53%), CD105 (73.97%, 73.88%), and HLA ABC (98.83%,98.16%) and negative expression of CD34 (0.02%,0.10%), CD45(0.57%,1.72%), and HLA DR (0.64%, 2.57%). Statistical analysis by the nonparametric Mann–Whitney U test did not reveal any statistically significant difference in the expression. Conclusion: GMSCs from the hyperglycemic environment retained their stem cell characteristics by positive expression of CD73, CD90, CD105, and HLA ABC, and negative expression of CD34, CD45, and HLA DR.

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