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Use of Human Perivascular Stem Cells for Bone Regeneration
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Minipig-BMSCs Combined with a Self-Setting Calcium Phosphate Paste for Bone Tissue Engineering.

Gengtao Qiu1,2, Ping Wang3, Guangjun Li4,5

  • 1Department of Orthopaedic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, Guangdong, China.

Molecular Biotechnology
|September 30, 2016
PubMed
Summary

Calcium phosphate cements (CPCs) support minipig bone marrow stem cell growth and differentiation. This bone repair material shows promise for bone tissue engineering and regeneration applications.

Keywords:
Calcium phosphate cementMinipigOsteogenic differentiationTissue engineeringpBMSCs

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Area of Science:

  • Biomaterials Science
  • Stem Cell Biology
  • Orthopedic Research

Background:

  • Calcium phosphate cements (CPCs) are advanced bone repair materials known for excellent biocompatibility with stem cells.
  • Minipigs serve as a valuable large animal model for bone engineering studies.

Purpose of the Study:

  • To assess the efficacy of CPC scaffolds in supporting adhesion, proliferation, and osteogenic differentiation of minipig bone marrow mesenchymal stem cells (pBMSCs).

Main Methods:

  • pBMSCs were cultured on CPC scaffolds in either osteogenic or control media.
  • Cell viability, attachment, proliferation, alkaline phosphatase (ALP) activity, osteogenic gene expression (qRT-PCR), and mineralization (Alizarin Red S staining) were evaluated.

Main Results:

  • pBMSCs demonstrated robust attachment and proliferation on CPC scaffolds in both groups.
  • The osteogenic group showed significantly increased ALP activity, osteogenic marker gene expression, and bone mineralization compared to the control group.
  • Osteogenic differentiation was confirmed by elevated ALP levels, gene expression, and mineralization by D7, peaking at D14 and D21.

Conclusions:

  • CPC scaffolds effectively support pBMSC adhesion, proliferation, and osteogenic differentiation.
  • These findings support the potential of CPCs in bone tissue engineering and bone regeneration strategies using minipig models.