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Orthopaedic Proceedings
Vol. 96-B, Issue SUPP_11 | Pages 341 - 341
1 Jul 2014
Ito H Fujii T Kasahara T Ishikawa M Furu M Shibuya H Matsuda S
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Summary Statement

In articular cartilage defects, chemokines are upregulated and potentially induce the migration of bone marrow cells to accelerate the healing processes.

Introduction

The treatment of damaged articular cartilages is one of the most challenging issues in sports medicine and in aging societies. In the microfracture technique for the treatment of articular cartilage defects, bone marrow cells are assumed to migrate from the bone marrow. Bone marrow cells are well-known for playing crucial roles in the healing processes, but how they can migrate from underlying bone marrow remains to be investigated. We have previously shown that SDF-1, one of chemokines, play crucial roles in the recruitment of mesenchymal stem cells in bone healing processes, and the induction of SDF-1 can induce a successful bone repair. If the migration can be stimulated by any means in the cartilage defects, a better result can be expected. The aim of this study was to elucidate the mechanisms of the migration of bone marrow cells and which factors contribute to the processes.