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Duration of simulated microgravity affects the differentiation of mesenchymal stem cells

  • Authors:
    • Li Xue
    • Yaohui Li
    • Jun Chen
  • View Affiliations / Copyright

    Affiliations: Department of Urology, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi 710014, P.R. China, Department of Pneumology, Traditional Chinese Medicine Hospital of Shaanxi, Xi'an, Shaanxi 710014, P.R. China, Department of Encephalopathy, Traditional Chinese Medicine Hospital of Shaanxi, Xi'an, Shaanxi 710014, P.R. China
    Copyright: © Xue et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 3011-3018
    |
    Published online on: March 22, 2017
       https://doi.org/10.3892/mmr.2017.6357
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Abstract

Previous evidence has suggested that physical microenvironments and mechanical stresses, independent of soluble factors, influence mesenchymal stem cell (MSC) fate. In the present study, simulated microgravity (SMG) was demonstrated to regulate the differentiation of mesenchymal stem cells. This may be a novel strategy for tissue engineering and regenerative medicine. Rat MSCs were cultured for 72 h or 10 days in either normal gravity or a clinostat to model microgravity, followed with culture in diverse differential media. A short period of stimulation (72 h) promoted MSCs to undergo endothelial, neuronal and adipogenic differentiation. In comparison, extended microgravity (10 days) promoted MSCs to differentiate into osteoblasts. A short period of exposure to SMG significantly decreased ras homolog family member A (RhoA) activity. However, RhoA activity significantly increased following prolonged exposure to SMG. When RhoA activity was inhibited, the effects of prolonged exposure to SMG were reversed. These results demonstrated that the duration of SMG regulates the differentiation fate of MSCs via the RhoA‑associated pathway.
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Copy and paste a formatted citation
Spandidos Publications style
Xue L, Li Y and Chen J: Duration of simulated microgravity affects the differentiation of mesenchymal stem cells. Mol Med Rep 15: 3011-3018, 2017.
APA
Xue, L., Li, Y., & Chen, J. (2017). Duration of simulated microgravity affects the differentiation of mesenchymal stem cells. Molecular Medicine Reports, 15, 3011-3018. https://doi.org/10.3892/mmr.2017.6357
MLA
Xue, L., Li, Y., Chen, J."Duration of simulated microgravity affects the differentiation of mesenchymal stem cells". Molecular Medicine Reports 15.5 (2017): 3011-3018.
Chicago
Xue, L., Li, Y., Chen, J."Duration of simulated microgravity affects the differentiation of mesenchymal stem cells". Molecular Medicine Reports 15, no. 5 (2017): 3011-3018. https://doi.org/10.3892/mmr.2017.6357
Copy and paste a formatted citation
x
Spandidos Publications style
Xue L, Li Y and Chen J: Duration of simulated microgravity affects the differentiation of mesenchymal stem cells. Mol Med Rep 15: 3011-3018, 2017.
APA
Xue, L., Li, Y., & Chen, J. (2017). Duration of simulated microgravity affects the differentiation of mesenchymal stem cells. Molecular Medicine Reports, 15, 3011-3018. https://doi.org/10.3892/mmr.2017.6357
MLA
Xue, L., Li, Y., Chen, J."Duration of simulated microgravity affects the differentiation of mesenchymal stem cells". Molecular Medicine Reports 15.5 (2017): 3011-3018.
Chicago
Xue, L., Li, Y., Chen, J."Duration of simulated microgravity affects the differentiation of mesenchymal stem cells". Molecular Medicine Reports 15, no. 5 (2017): 3011-3018. https://doi.org/10.3892/mmr.2017.6357
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