期刊
REGENERATIVE MEDICINE
卷 17, 期 2, 页码 69-80出版社
FUTURE MEDICINE LTD
DOI: 10.2217/rme-2021-0056
关键词
dental pulp; differentiation; photobiomodulation therapy; proliferation; stem cell
资金
- Hamadan University of Medical Sciences
The study found a significant positive effect of laser irradiation on cell proliferation under different nutritional conditions, but no statistically significant stimulatory effect on gene expression levels. Further research is needed to obtain an ideal irradiation setup to improve the proliferation and differentiation of inflamed dental pulp stem cells.
Aim: The present study aimed to investigate photobiomodulation's (PBM) effect on inflamed dental pulp stem cells (IDPSCs) under different nutritional conditions. Methods: Cell proliferation and odontogenic differentiation were evaluated using the MTT assay and real-time quantitative reverse transcription PCR, respectively after laser PBM of cells in 5 or 10% fetal bovine serum (FBS) culture conditions. Results: A significant positive effect of laser irradiation on cell proliferation under both nutritional conditions after 24 and 48 h was observed. DMP-1 gene expression increased in the groups with laser irradiation and 5% FBS. Comparison of gene expression levels in the four groups revealed no statistically significant stimulatory effect. The highest gene expression was observed in the non-laser group with 5% FBS. Conclusion: Further studies are required to obtain an irradiation setup to ideally improve inflamed dental pulp stem cells' proliferation and differentiation.
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