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Use of Human Perivascular Stem Cells for Bone Regeneration
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Periostin in Bone Regeneration.

Oriane Duchamp de Lageneste1, Céline Colnot2

  • 1INSERM UMR1163, Imagine Institute, Paris Descartes University, Paris, France.

Advances in Experimental Medicine and Biology
|May 1, 2019
PubMed
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The periosteum and its matrix protein, Periostin, are crucial for bone regeneration. Periostin supports skeletal stem cell activation and function throughout the fracture healing process.

Keywords:
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Area of Science:

  • Biomedical Engineering
  • Regenerative Medicine
  • Skeletal Biology

Background:

  • Bone regeneration is vital for fracture healing, relying on skeletal stem cells.
  • The periosteum, a bone-enveloping tissue, is a key source of these stem cells and influences repair.
  • Periostin, an extracellular matrix protein, plays a significant role in periosteum function.

Purpose of the Study:

  • To review the current understanding of bone regeneration mechanisms.
  • To highlight the critical role of the periosteum and skeletal stem cells in bone repair.
  • To elucidate the multifaceted functions of Periostin in bone healing.

Main Methods:

  • Literature review of bone regeneration processes.
  • Analysis of the periosteum's contribution to skeletal stem cell activity.
  • Examination of Periostin's involvement in different stages of fracture repair.

Main Results:

  • The periosteum is essential for recruiting and activating skeletal stem cells for fracture consolidation.
  • Periostin is integral to periosteum functions, including bone growth, modeling, and repair.
  • Periostin influences stem cell activation, cartilage/bone deposition, and final bone bridging.

Conclusions:

  • The periosteum and Periostin are indispensable for efficient bone regeneration.
  • Periostin acts at all stages of fracture repair, from initial stem cell activation to final reconstitution.
  • Understanding Periostin's role offers insights into enhancing bone healing therapies.