Related Experiment Video
Updated: Jan 20, 2026

Technique for Isolation and Culture of Rat Jaw Bone Marrow Mesenchymal Stem Cells
Published on: May 31, 2024
Bone Regeneration in a Canine Model of Artificial Jaw Cleft Using Bone Marrow-Derived Mesenchymal Stem Cells and
Takaharu Abe1, Keisuke Sumi1, Ryo Kunimatsu1
1Department of Orthodontics, Division of Oral Health and Development, Hiroshima University Hospital, Hiroshima, Japan.
Objective:
Cleft lip and palate (CLP) is a common anomaly of the orofacial region. Mesenchymal stem cell (MSC) transplantation has been a focus of regenerative medicine, and its application to the repair of bone defects in patients with CLP is highly anticipated. This study investigated the potential for using MSCs to regenerate bone in a jaw cleft as well as the survival of transplanted MSCs using a canine model of CLP.
Design:
Mesenchymal stem cells collected from the bone marrow of beagle dogs were transplanted along with carbonate hydroxyapatite into jaw clefts in beagle dogs. Mesenchymal stem cells labeled with fluorescent silica nanoparticles were also transplanted, and a histological analysis was performed 3 months later to evaluate MSC survival.
Results:
Carbonate hydroxyapatite regeneration into bone was enhanced by cotransplantation of MSCs. The survival rate of MSCs transplanted after 3 months was 5.7%.
Conclusions:
Transplanted MSCs promote bone regeneration, although their survival rate is low.
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