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|Title:||In vivo study of novel nanofibrous intra-luminal guidance channels to promote nerve regeneration||Authors:||Koh, H.S.
|Issue Date:||Aug-2010||Citation:||Koh, H.S., Yong, T., Teo, W.E., Chan, C.K., Puhaindran, M.E., Tan, T.C., Lim, A., Lim, B.H., Ramakrishna, S. (2010-08). In vivo study of novel nanofibrous intra-luminal guidance channels to promote nerve regeneration. Journal of Neural Engineering 7 (4) : -. ScholarBank@NUS Repository. https://doi.org/10.1088/1741-2560/7/4/046003||Abstract:||A novel nanofibrous construct for promoting peripheral nerve repair was fabricated and tested in a rat sciatic nerve defect model. The conduit is made out of bilayered nanofibrous membranes with the nanofibers longitudinally aligned in the lumen and randomly oriented on the outer surface. The intra-luminal guidance channel is made out of aligned nanofibrous yarns. In addition, biomolecules such as laminin and nerve growth factor were incorporated in the nanofibrous nerve construct to determine their efficacy in in vivo nerve regeneration. Muscle reinnervation, withdrawal reflex latency, histological, axon density and electrophysiology tests were carried out to compare the efficacy of nanofibrous constructs with an autograft. Our study showed mixed results when comparing the artificial constructs with an autograft. In some cases, the nanofibrous conduit with aligned nanofibrous yarn as an intra-luminal guidance channel performs better than the autograft in muscle reinnervation and withdrawal reflex latency tests. However, the axon density count is highest in the autograft at mid-graft. Functional recovery was improved with the use of the nerve construct which suggested that this nerve implant has the potential for clinical usage in reconstructing peripheral nerve defects. © 2010 IOP Publishing Ltd.||Source Title:||Journal of Neural Engineering||URI:||http://scholarbank.nus.edu.sg/handle/10635/51437||ISSN:||17412560||DOI:||10.1088/1741-2560/7/4/046003|
|Appears in Collections:||Staff Publications|
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