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Fractures: Bone Repair

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Treatment for a fracture is based on the type of break, the bone affected, and the patient's age.
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Updated: Jul 4, 2026

Use of Human Perivascular Stem Cells for Bone Regeneration

Use of Human Perivascular Stem Cells for Bone Regeneration

Published on: May 25, 2012

A perspective: engineering periosteum for structural bone graft healing.

Xinping Zhang¹, Hani A Awad, Regis J O'Keefe

¹The Center for Musculoskeletal Research, University of Rochester Medical Center, School of Medicine and Dentistry, 601 Elmwood Avenue, Rochester, NY 14642, USA. Xinping_Zhang@URMC.rochester.edu

Clinical Orthopaedics and Related Research

|May 30, 2008

Summary

Autografts excel in bone defect repair due to periosteum

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Computed Tomography and Optical Imaging of Osteogenesis-angiogenesis Coupling to Assess Integration of Cranial Bone Autografts and Allografts

Computed Tomography and Optical Imaging of Osteogenesis-angiogenesis Coupling to Assess Integration of Cranial Bone Autografts and Allografts

Published on: December 22, 2015

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Use of Human Perivascular Stem Cells for Bone Regeneration

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Computed Tomography and Optical Imaging of Osteogenesis-angiogenesis Coupling to Assess Integration of Cranial Bone Autografts and Allografts

Computed Tomography and Optical Imaging of Osteogenesis-angiogenesis Coupling to Assess Integration of Cranial Bone Autografts and Allografts

Published on: December 22, 2015

Area of Science:

Regenerative medicine
Biomaterials science
Orthopedic surgery

Background:

Autografts are superior to allografts and synthetic grafts for large bone defects, primarily because of the multipotent mesenchymal stem cells within the periosteum.
Donor periosteal progenitor cell activation, expansion, and differentiation are critical for osteogenesis and angiogenesis in bone graft healing.
The periosteum's role in forming a donor cell-derived callus is essential for host-dependent graft repair and remodeling.

Purpose of the Study:

To explore the rationale for creating a biomimetic periosteum substitute for enhanced allograft healing and repair.
To investigate the potential of periosteum-derived cells in improving bone graft incorporation.
To identify key molecular signals and multidisciplinary approaches needed for developing effective bone graft substitutes.

Main Methods:

Review of existing studies on autograft, allograft, and synthetic bone graft healing mechanisms.
Analysis of the role of periosteum and mesenchymal stem cells in osteogenesis and angiogenesis.
Identification of critical factors for successful biomimetic periosteum substitute development.

Main Results:

Removal of periosteum from bone autografts significantly impairs healing.
Engrafting multipotent mesenchymal stem cells onto bone allografts enhances healing and graft incorporation.
Donor cell-derived periosteal callus formation is crucial for efficient graft repair and remodeling.

Conclusions:

A biomimetic periosteum substitute could significantly improve allograft healing and repair for various bone defect sizes and shapes.
Further understanding of molecular signals controlling inflammation, cell recruitment, and stem cell differentiation is necessary.
Multidisciplinary collaboration is essential for material selection, modification, and functional evaluation of bone allografts.