Open Access

CGFe and TGF‑β1 enhance viability and osteogenic differentiation of human dental pulp stem cells through the MAPK pathway

  • Authors:
    • Xiaoju Li
    • Huixiao Yang
    • Yan Zhang
    • Xinya Du
    • Zhengbin Yan
    • Jiang Li
    • Bin Wu
  • View Affiliations

  • Published online on: July 23, 2021     https://doi.org/10.3892/etm.2021.10482
  • Article Number: 1048
  • Copyright: © Li et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

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Abstract

The present study aimed to evaluate the effects of concentrated growth factor exudate (CGFe) and TGF‑β1 on the viability and osteogenic differentiation of human dental pulp stem cells (hDPSCs). CGFe was prepared from the peripheral blood of healthy donors (obtained with informed consent). STRO‑1+ hDPSCs were isolated from dental pulp tissues and treated in four groups: i) Control; ii) TGF‑β1 (1 ng/ml); iii) 100% CGFe; and iv) TGF‑β1 (1 ng/ml) + 100% CGFe group. hDPSC viability was measured via MTT assay. The osteogenic differentiation of hDPSCs was quantified via alkaline phosphatase (ALP) activity, western blotting and reverse transcription‑quantitative PCR assays. CGFe and TGF‑β1 enhanced hDPSC viability, upregulated ALP activity, upregulated the expression of phosphorylated (p)‑ERK1/2, p‑JNK and p‑p38 in hDPSCs, and promoted transcription and protein expression of osteogenic‑related genes (bone sialoprotein, Runt‑related transcription factor 2 and osteocalcin) in hDPSCs. The present study demonstrated that CGFe and TGF‑β1 facilitated the viability and osteogenic differentiation of hDPSCs potentially through activation of the MAPK signaling pathway.
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October-2021
Volume 22 Issue 4

Print ISSN: 1792-0981
Online ISSN:1792-1015

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Spandidos Publications style
Li X, Yang H, Zhang Y, Du X, Yan Z, Li J and Wu B: CGFe and TGF‑β1 enhance viability and osteogenic differentiation of human dental pulp stem cells through the MAPK pathway. Exp Ther Med 22: 1048, 2021
APA
Li, X., Yang, H., Zhang, Y., Du, X., Yan, Z., Li, J., & Wu, B. (2021). CGFe and TGF‑β1 enhance viability and osteogenic differentiation of human dental pulp stem cells through the MAPK pathway. Experimental and Therapeutic Medicine, 22, 1048. https://doi.org/10.3892/etm.2021.10482
MLA
Li, X., Yang, H., Zhang, Y., Du, X., Yan, Z., Li, J., Wu, B."CGFe and TGF‑β1 enhance viability and osteogenic differentiation of human dental pulp stem cells through the MAPK pathway". Experimental and Therapeutic Medicine 22.4 (2021): 1048.
Chicago
Li, X., Yang, H., Zhang, Y., Du, X., Yan, Z., Li, J., Wu, B."CGFe and TGF‑β1 enhance viability and osteogenic differentiation of human dental pulp stem cells through the MAPK pathway". Experimental and Therapeutic Medicine 22, no. 4 (2021): 1048. https://doi.org/10.3892/etm.2021.10482