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Enhanced Achilles tendon healing by fibromodulin gene transfer

Abstract : Tendon injury is a major musculoskeletal disorder with a high public health impact. We propose a non-viral based strategy of gene therapy for the treatment of tendon injuries using histidylated vectors. Gene delivery of fibromodulin, a proteoglycan involved in collagen assembly was found to promote rat Achilles tendon repair in vivo and in vitro. In vivo liposome-based transfection of fibromodulin led to a better healing after surgical injury, biomechanical properties were better restored compared to untransfected control. These measures were confirmed by histological observations and scoring. To get better understandings of the mechanisms underlying fibromodulin transfection, an in vitro tendon healing model was developed. In vitro, polymer-based transfection of fibromodulin led to the best wound enclosure speed and a pronounced migration of tenocytes primary cultures was observed. These results suggest that fibromodulin non-viral gene therapy could be proposed as a new therapeutic strategy to accelerate tendon healing.
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Submitted on : Monday, June 12, 2017 - 4:37:24 PM
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Anthony Delalande, Marie-Pierre Gosselin, Arnaud Suwalski, William Guilmain, Chloé Leduc, et al.. Enhanced Achilles tendon healing by fibromodulin gene transfer. Nanomedicine: Nanotechnology, Biology and Medicine, 2015, 11 (7), pp.1735 - 1744. ⟨10.1016/j.nano.2015.05.004⟩. ⟨hal-01537597⟩



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