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Characterization of a Calcium Phosphate-Based Matrix for rhBMP-2

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Biopolymer Methods in Tissue Engineering

Part of the book series: Methods in Molecular Biology™ ((MIMB,volume 238))

Abstract

Bone morphogenetic proteins (BMPs) are members of the transforming growth factor-β (TGF-β) superfamily of proteins that have crucial roles in growth and regeneration of skeletal tissues. In particular, recombinant human bone morphogenetic protein-2 (rhBMP-2) has been shown to induce new bone formation by differentiation of mesenchymal progenitor cells into osteoblasts (1). BMPs act locally, and thus for a clinically beneficial outcome, a carrier matrix is required to retain therapeutic levels of BMP at the repair site (2,3). The potent osteoinductive ability of BMP-2 has been demonstrated in numerous preclinical (4–9) and clinical studies (10–14). Recent data from clinical trials have reported success in the areas of open fracture repair (10,14), interbody spinal fusion (11), and maxillofacial reconstruction (12,13) using rhBMP-2 delivered in an absorbable collagen sponge (ACS). Because rhBMP-2/ACS requires implantation, there is a continuing need for an easily injectable carrier to deliver rhBMP-2 percutaneously to closed fractures. Here, we outline characterization of a calcium phosphate (CaP)-based injectable carrier as a delivery matrix for rhBMP-2.

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Author information

Authors and Affiliations

  1. Musculoskeletal Sciences, Wyeth Research, Cambridge, MA

    Hyun D. Kim & John M. Wozney

  2. Wyeth Research, Cambridge, MA

    Rebecca H. Li

Authors
  1. Hyun D. Kim
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  2. John M. Wozney
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  3. Rebecca H. Li
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Editor information

Editors and Affiliations

  1. Centre for Biomaterials and Tissue Engineering, School of Clinical Dentistry, University of Sheffield, Sheffield, UK

    Anthony P. Hollander

  2. Avon Orthopaedic Centre, Southmead Hospital, University of Bristol Academic Rheumatology, Bristol, UK

    Paul V. Hatton

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© 2004 Humana Press Inc.

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Kim, H.D., Wozney, J.M., Li, R.H. (2004). Characterization of a Calcium Phosphate-Based Matrix for rhBMP-2. In: Hollander, A.P., Hatton, P.V. (eds) Biopolymer Methods in Tissue Engineering. Methods in Molecular Biology™, vol 238. Humana Press. https://doi.org/10.1385/1-59259-428-X:49

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  • DOI: https://doi.org/10.1385/1-59259-428-X:49

  • Publisher Name: Humana Press

  • Print ISBN: 978-0-89603-967-4

  • Online ISBN: 978-1-59259-428-3

  • eBook Packages: Springer Protocols

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