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- W2912069539 abstract "Severe traumatic spinal cord injury (SCI) results in a devastating and permanent loss of function, and is currently an incurable condition. It is generally accepted that future intervention strategies will require combinational approaches, including bioengineered scaffolds, to support axon growth across tissue scarring and cystic cavitation. Previously, we demonstrated that implantation of a microporous type-I collagen scaffold into an experimental model of SCI was capable of supporting functional recovery in the absence of extensive implant-host neural tissue integration. Here, we demonstrate the reactive host cellular responses that may be detrimental to neural tissue integration after implantation of collagen scaffolds into unilateral resection injuries of the adult rat spinal cord. Immunohistochemistry demonstrated scattered fibroblast-like cell infiltration throughout the scaffolds as well as the presence of variable layers of densely packed cells, the fine processes of which extended along the graft-host interface. Few reactive astroglial or regenerating axonal profiles could be seen traversing this layer. Such encapsulation-type behaviour around bioengineered scaffolds impedes the integration of host neural tissues and reduces the intended bridging role of the implant. Characterization of the cellular and molecular mechanisms underpinning this behaviour will be pivotal in the future design of collagen-based bridging scaffolds intended for regenerative medicine." @default.
- W2912069539 created "2019-02-21" @default.
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- W2912069539 date "2019-02-04" @default.
- W2912069539 modified "2023-09-30" @default.
- W2912069539 title "Fibroadhesive scarring of grafted collagen scaffolds interferes with implant–host neural tissue integration and bridging in experimental spinal cord injury" @default.
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- W2912069539 doi "https://doi.org/10.1093/rb/rbz006" @default.
- W2912069539 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/6447003" @default.
- W2912069539 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/30967962" @default.
- W2912069539 hasPublicationYear "2019" @default.
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