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|Title:||Microfiber drug/gene delivery platform for study of myelination||Authors:||Ong, William
Bechler, Marie E.
Chew, Sing Yian
|Issue Date:||2018||Source:||Ong, W., Lin, J., Bechler, M. E., Wang, K., Wang, M., ffrench-Constant, C., & Chew, S. Y. (2018). Microfiber drug/gene delivery platform for study of myelination. Acta Biomaterialia, 75152-160. doi:10.1016/j.actbio.2018.06.011||Series/Report no.:||Acta Biomaterialia||Abstract:||Our ability to rescue functional deficits after demyelinating diseases or spinal cord injuries is limited by our lack of understanding of the complex remyelination process, which is crucial to functional recovery. In this study, we developed an electrospun suspended poly(ε-caprolactone) microfiber platform to enable the screening of therapeutics for remyelination. As a proof of concept, this platform employed scaffold-mediated non-viral delivery of a microRNA (miR) cocktail to promote oligodendrocyte precursor cells (OPCs) differentiation and myelination. We observed enhanced OPCs differentiation when the cells were transfected with miR-219 and miR-338 on the microfiber substrates. Moreover, miRs promoted the formation of MBP+ tubular extensions around the suspended fibers, which was indicative of myelination, instead of flat myelin membranes on 2D substrates. In addition, OPCs that were transfected with the cocktail of miRs formed significantly longer and larger amounts of MBP+ extensions. Taken together, these results demonstrate the efficacy of this functional screening platform for understanding myelination.||URI:||https://hdl.handle.net/10356/89819
|ISSN:||1742-7061||DOI:||10.1016/j.actbio.2018.06.011||Rights:||© 2018 Elsevier. This is the author created version of a work that has been peer reviewed and accepted for publication by Acta Biomaterialia, Elsevier. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [http:dx.doi.org/10.1016/j.actbio.2018.06.011].||Fulltext Permission:||open||Fulltext Availability:||With Fulltext|
|Appears in Collections:||IGS Journal Articles|
LKCMedicine Journal Articles
SCBE Journal Articles
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