期刊
EXPERIMENTAL AND THERAPEUTIC MEDICINE
卷 23, 期 1, 页码 -出版社
SPANDIDOS PUBL LTD
DOI: 10.3892/etm.2021.10977
关键词
salidroside; human dental pulp stem cells; osteogenic differentiation; odontogenic differentiation
资金
- Project of the Shanghai Municipal Commission of Health and Family Planning [201740051]
Regenerative endodontics is gaining attention as an alternative approach to regenerate dental pulp-like tissues. Stem cells and their microenvironment play a crucial role in pulp regeneration. A compound called salidroside has been found to have various protective effects, but its ability to regulate the osteogenic/odontogenic differentiation of human dental pulp stem cells (hDPSCs) is still unclear.
Regenerative endodontics, as an alternative approach, aims to regenerate dental pulp-like tissues and is garnering the attention of clinical dentists. This is due to its reported biological benefits for dental therapeutics. Stem cells and their microenvironment serve an important role in the process of pulp regeneration. Regulation of the stem cell microenvironment and the directed differentiation of stem cells is becoming a topic of intensive research. Salidroside (SAL) is extracted from the root of Rhodiola rosea and it has been reported that SAL exerts antiaging, neuroprotective, hepatoprotective, cardioprotective and anticancer effects. However, the ability of SAL to regulate the osteo/odontogenic differentiation of hDPSCs remains to be elucidated. In the present study, the effect of SAL on the proliferation and osteogenic/odontogenic differentiation of human dental pulp stem cells (hDPSCs) was investigated. This was achieved by performing CCK-8 ARS staining assay, reverse transcription-quantitative PCR to detect mRNA of ALP, OSX, RUNX2, OCN, DSPP and BSP, western blotting to detect the protein of MAPK, Smad1/5/8, OSX, RUNX2, BSP and GAPDH and immunofluorescence assays to detect DSPP. The results indicated that SAL promoted the cell viability and the osteogenic/odontogenic differentiation of hDPSCs whilst increasing the expression of genes associated with osteogenic/odontogenic differentiation by ARS staining assay. In addition, SAL promoted osteogenic and odontogenic differentiation by activating the phosphorylation of Smad1/5/8. Collectively, these findings suggest that SAL promoted the osteogenic and odontogenic differentiation of hDPSCs activating the BMP signaling pathway.
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