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Updated: Sep 28, 2025
Isolation and Expansion of Mesenchymal Stem/Stromal Cells Derived from Human Placenta Tissue
Published on: June 6, 2016
Hydrostatic pressure facilitates calcium deposition and osteogenic gene expression in the osteoblastic
Chih-Chien Cheng1, Chih-Ang Chung2, Chih-Ju Chang3
1Department of Mechanical Engineering, National Central University, Jhongli, Taiwan; Department of Obstetrics/Gynecology, Taipei City Hospital, Taipei, Taiwan; School of Medicine, College of Medicine, Fu Jen Catholic University, New Taipei, Taiwan.
Objective:
We tested the osteoblastic differentiation effects caused by physical stimulation such as hydrostatic pressure using placenta-derived multipotent cells.
Materials And Methods:
The placenta-derived multipotent cells (PDMCs) were treated with osteogenic medium to induce PDMCs differentiation into osteoblast-like cells. The induced PDMCs were stimulated using hydrostatic pressure at a magnitude of 30 kPa for 1 h/day for up to 12 days. The calcium deposition monitored by Alizarin Red staining and the calcium content of each experimental group were quantified.
Results:
The results demonstrated both the calcium deposition and concentration were elevated through hydrostatic pressure stimulation. Moreover, in order to indicate of PDMC osteodifferentiation, RT-qPCR analysis were performed and mRNA expression of osteoblast differentiation markers (type I collagen, alkaline phosphatase, RUNX2, and BGLAP), the bone morphogenetic protein family (BMP1-7) and BMP receptors (BMPR1A, BMPR1B, and BMPR2) were examined. Among them, the mRNA levels of RUNX2, COL1A1, BMP1, BMP3, and BMPR1A increased significantly in the hydrostatic-pressure-stimulated groups, whereas BGLAP, ALP, BMP2, BMP6, BMPR1B, and BMPR2 exhibited a slight upregulation between the control and experimental groups, indicating the specific signal route induced by hydrostatic pressure on PDMCs.
Conclusion:
Our results revealed the beneficial effects of stem cells stimulated using hydrostatic pressure, which could enhance calcium deposition considerably and facilitate osteodifferentiation, and the results may be applied to tissue regeneration in the near future.
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