Abstract
To explore the difference in odontoblast differentiation capacity between stem cells from human exfoliated deciduous teeth (SHED) and dental pulp stem cells (DPSCs), and to examine the expression level of ephrinB1 in odontoblast differentiation of these stem cells. The stems cells were divided into a SHED group and a DPSCs group. After odontoblast differentiation induction, the above 2 groups were also randomly divided into a 3 d group and a 7 d group, respectively.The calcium deposition was detected by alkaline phosphatase (ALP) staining and alizarin red staining.The mRNA and protein expressions of ephrinB1, dentin matrix protein-1 (DMP-1) and dentin sialophosphoprotein (DSPP) were detected by real-time PCR and Western blotting. ALP staining and alizarin red staining showed that there was stronger mineralization capacity in the SHED group than that in the DPSCs group. The relative mRNA and protein expressions of DMP-1, DSPP, and ephrinB1 in the SHED group were higher than those in the DPSCs group except for the protein expression of DMP-1 in the SHED 3 d group (all P<0.05). SHED has stronger odontoblast differentiation capacity than DPSCs. In addition, ephrinB1 may be involved in the processes of odontoblast differentiation in the SHED and DPSCs.
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Schedule a callMore From: Zhong nan da xue xue bao. Yi xue ban = Journal of Central South University. Medical sciences
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