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Improved Biological Stability and Mechanical Strength of Collagen for Implantation
Health Technologies at Strathclyde United Kingdom flag United Kingdom
Abstract ID:
Method for slowing collagen degradation using approved agent...
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Background


Biomedical materials and artificial tissues are being developed to repair, replace and enhance natural tissues. It is essential that these biomaterials maintain strength and stability following implantation. Collagen, the most widely used matrix for tissue engineering, undergoes a constant process of remodelling and reshaping in vivo, and the balance of its synthesis and gradual degradation by cells of the body will determine the strength and integrity of implanted scaffolds over time. Thus, there is a clear need for safe and effective methods to slow and control the rate at which collagen implants are degraded in vivo.


Technology


Using an in vitro model, researchers at the University of Strathclyde have discovered a safe method to slow down the rate at which collagen scaffolds are degraded. Fibroblast-seeded collagen hydrogels treated with existing FDA-approved drugs demonstrated increased stiffness compared to untreated hydrogels, with no significant changes to tissue permeability.


Key Benefits


Slows collagen degradation, prolonging half life


Increases matrix stiffness, without affecting permeability


No toxic effect to resident cells


Treatment involves existing FDA-approved drugs


Collagen is treated prior to gelling, so would be injectable


May also promote tissue vascularisation


Markets and Applications


This technology can be used for any procedure requiring the use of tissue engineered devices containing collagen. It would also be of great interest to the cosmetics industry. By slowing down the rate at which collagen implants degrade they would not have to be re-implanted as regularly to maintain repair or cosmetic effect.

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Contact is welcomed from organisations interested in developing, or exploiting this technology

FEATURED
Last Updated Oct 2014
Technology Type MEDICAL DEVICE
Phase of Development EARLY STAGE
UNIVERSITY