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[Expression level and effect of P2X7 receptor mRNA during osteogenic differentiation of human periodontal ligament stem cells].

Shanghai Kou Qiang Yi Xue. 2020 Aug;29(4):365-369
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摘要


PURSPOSE:To investigate the role of P2X7 receptor in osteogenic differentiation of human periodontal ligament stem cells. METHODS:Human periodontal ligament stem cells obtained from primary culture were divided into 4 groups: control group, adenosine triphosphate group, osteogenic induction group, adenosine triphosphate + osteogenic induction group. The differences of RUNX2, OCN gene expression and P2X7 receptor mRNA expression between the four groups were compared. Statistical analysis was performed with SPSS 16.0 software package. RESULTS:One week after osteogenic formation and two weeks after osteogenic formation, the expression of RUNX2 and OCN mRNA in the adenosine triphosphate + osteogenic induction group was significantly higher than that in the osteogenic induction group (P<0.05). The expression of RUNX2 and OCN mRNA in the 1 week after adenosine triphosphate + osteogenic induction fluid was significantly higher than that 2 weeks after osteogenic formation, and the difference was statistically significant (P<0.05). The expression of P2X7 receptor mRNA in the adenosine triphosphate group and the adenosine triphosphate + osteogenic induction group was significantly higher than that in the control group and the osteogenic induction group 1 week after osteogenesis and 2 weeks after osteogenesis (P<0.05). The expression of P2X7 receptor mRNA in the adenosine triphosphate group was significantly higher than that in the adenosine triphosphate + osteogenic induction group 2 weeks after osteogenesis(P<0.05). The expression of P2X7 receptor mRNA was significantly higher than that of osteogenic induction 1 week after adenosine triphosphate composition(P<0.05). CONCLUSIONS:P2X7 receptor can significantly improve the osteogenesis of periodontal ligament stem cells, and adenosine triphosphate can activate the expression of P2X7 receptor.

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