Static compression regulates OPG expression in periodontal ligament cells via the CAMK II pathway

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Abstract

Objective: This study aimed to investigate the potential role of CAMK II pathway in the compression-regulated OPG expression in periodontal ligament cells (PDLCs). Material and Methods: The PDL tissue model was developed by 3-D culturing human PDLCs in a thin sheet of poly lactic-co-glycolic acid (PLGA) scaffolds, which was subjected to static compression of 25 g/cm2 for 3, 6 and 12 h, with or without treatment of KN-93. After that, the expression of OPG, RANKL and NFATC2 was investigated through real-time PCR and western blot analysis. Results: After static compression, the NFATC2 and RANKL expression was significantly up-regulated, while partially suppressed by KN-93 for 6 and 12 h respectively. The OPG expression was significantly down-regulated by compression in 3 h, started to elevate in 6 h, and significantly up-regulated in 12 h. The up-regulation after 12 h was significantly suppressed by KN-93. Conclusions: Long-term static compression increases OPG expression in PDLCs, at least partially, via the CAMK II pathway.

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APA

Yi, J., Li, M. L., Yang, Y., Zheng, W., Li, Y., & Zhao, Z. (2015). Static compression regulates OPG expression in periodontal ligament cells via the CAMK II pathway. Journal of Applied Oral Science, 23(6), 549–554. https://doi.org/10.1590/1678-775720150156

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