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Open AccessArticle

The Effect of Synovial Fluid Enzymes on the Biodegradability of Collagen and Fibrin Clots

Department of Orthopaedic Surgery, Children’s Hospital of Boston, Harvard Medical School, 300 Longwood Ave, Boston, MA 02115, USA
Author to whom correspondence should be addressed.
Materials 2011, 4(8), 1469-1482;
Received: 18 July 2011 / Revised: 5 August 2011 / Accepted: 12 August 2011 / Published: 22 August 2011
(This article belongs to the Special Issue Biodegradability of Materials in Biomedical Applications 2011)
Recently there has been a great deal of interest in the use of biomaterials to stimulate wound healing. This is largely due to their ability to centralize high concentrations of compounds known to promote wound healing at a needed location. Joints present a unique challenge to using scaffolds because of the presence of enzymes in synovial fluid which are known to degrade materials that would be stable in other parts of the body. The hypothesis of this study was that atelocollagen scaffolds would have greater resistance to enzymatic degradation than scaffolds made of gelatin, fibrin and whole blood. To test this hypothesis, collagen and fibrin-based scaffolds were placed in matrix metallopeptidase-1 (MMP-1), elastase, and plasmin solutions at physiologic concentrations, and the degradation of each scaffold was measured at varying time points. The atelocollagen scaffolds had a significantly greater resistance to degradation by MMP-1, elastase and plasmin over the fibrin based scaffolds. The results suggest that atelocollagen-based scaffolds may provide some protection against premature degradation by synovial fluid enzymes over fibrin-based matrices. View Full-Text
Keywords: collagen; fibrin; scaffold; fibroblast; enzyme collagen; fibrin; scaffold; fibroblast; enzyme
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Palmer, M.; Stanford, E.; Murray, M.M. The Effect of Synovial Fluid Enzymes on the Biodegradability of Collagen and Fibrin Clots. Materials 2011, 4, 1469-1482.

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