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KMID : 1035420200080030053
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Journal of The Korean Society of Integrative Medicine
2020 Volume.8 No. 3 p.53 ~ p.62
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Protective Effect of NACA on Periodontal Stem Cell
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Lee Kyung-Hee
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Abstract
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Purpose :Periodontal ligament stem cells maintain tissue homeostasis in periodontal ligament. The purpose of this study was to determine the characteristics of periodontal ligament stem cells isolated from premolar teeth and observe protective effects against oxidative damage caused by Triethylene glycol dimethacrylate (TEGDMA) following treatment with N-acetylsysteine amide (NACA) drug known as enzymatic antioxidants.
Methods : Primary periodontal ligament stem cell (PDSC) culture was performed from simply extracted human premolar of orthodontic patients. The characteristics of the primary cultured PDSCs was analyzed using the FACS system. PDSCs was incubated with TEGDMA and NACA. The cell proliferation and survival was determined using WST-1 assay. Collected data were analyzed using SPSS Window 20.
Results : Primary cultured PDSCs grow on the floor and develop rapidly in a cluster form from up to 14 days. The morphology of PDSCs showed the spindle-shaped cells and grew directionally. FACS analysis, In addition, positive expression of visible cells were observed in mesenchymal stem cell biomarkers. PDLSCs cell viability was significantly decreased at high concentration in both 3 and 6 hours after TEGDMA treatment. We observed a decrease in the number of cells as well as a morphological change of PDLSCs. Antioxidative effect was notable since the death of PDLSC death was significantly inhibited compared to the control group at 24 and 48 hours after NACA treatment.
Conclusion : Therefore, based on the results of this study, further research should be encouraged considering the development of clinical treatment methods using various antioxidants as well as regenerative engineering techniques utilizing periodontal ligament stem cells.
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KEYWORD
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antioxidant, N-acetylsysteine amide, periodontal stem cells, TEGDMA
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