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Endothelial Progenitor Cells (EPCs) for Fracture Healing and Angiogenesis: A Comparison with Mesenchymal Stem Cells (MSCs)

The purpose of this study was to compare the effects of two types of stem/progenitor cells on the healing of critical sized bone defects in a rat model. Endothelial progenitor cells (EPCs), a novel cell type with previously demonstrated effects on both osteogenesis and angiogenesis, were compared to both a control group (no cells), and a treatment group of mesenchymal stem cells (MSCs). The hypothesis was that EPCs would demonstrate both superior bone healing and angiogenesis, when compared to MSCs and controls. EPCs, MSCs, or a control carrier were placed in surgically stabilized bone defects in a rat femur and both bone formation and angiogenesis were assessed. EPC treated defects demonstrated significantly more bone formation and angiogenesis at the bone defect site than MSC or control treated defects. These results strongly suggest that EPCs are more effective than MSCs for therapeutic osteogenesis and angiogenesis in a bone defect model.

Identiferoai:union.ndltd.org:LACETR/oai:collectionscanada.gc.ca:OTU.1807/32271
Date21 March 2012
CreatorsNauth, Aaron
ContributorsSchemitsch, Emil H.
Source SetsLibrary and Archives Canada ETDs Repository / Centre d'archives des thèses électroniques de Bibliothèque et Archives Canada
Languageen_ca
Detected LanguageEnglish
TypeThesis

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