Current status and prospects of regenerative medicine for spinal cord injury using human induced pluripotent stem cells: a review

Spinal cord injury (SCI) is damage to the spinal cord due to trauma or health conditions, resulting in lesions in the spinal cord. Currently, available treatment includes surgical intervention to decompress or stabilize a dislocated loose spine, steroid drugs to reduce inflammation, and subsequent r...

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Bibliographic Details
Published in:	Stem cell investigation Vol. 10; p. 6
Main Authors:	Inoue, Mitsuhiro, Yamaguchi, Ryo, He, Ching Chi Jimmy, Ikeda, Atsushi, Okano, Hideyuki, Kohyama, Jun
Format:	Journal Article
Language:	English
Published:	China AME Publishing Company 10-03-2023
Subjects:	Review Spinal cord injury (SCI) induced pluripotent stem cells (iPSCs) cell-based therapy regenerative medicine neural stem/progenitor cells (NS/PCs)
Online Access:	Get full text
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Summary:	Spinal cord injury (SCI) is damage to the spinal cord due to trauma or health conditions, resulting in lesions in the spinal cord. Currently, available treatment includes surgical intervention to decompress or stabilize a dislocated loose spine, steroid drugs to reduce inflammation, and subsequent rehabilitation. As there is a rising number of SCI globally, radical treatments to recover spinal cord functions have become highly anticipated. The development of new treatments is indeed progressing. Various therapeutic drug candidates are being developed in clinical trials, including neuroprotective/neurotrophic factors, antibodies for repulsive guidance molecules, and cell transplantation. Among them, with advances in stem cell biology, cell transplantation therapy is currently a promising therapeutic development for SCI. In particular, there have been various reports regarding the realization of regenerative medicine using human induced pluripotent stem cells (iPSCs). This review will introduce the advantages of cell-based therapy based on iPSC-derived neural stem/progenitor cells (iPSC-NS/PCs) and some of their mechanisms of action for functional improvement, which have recently been elucidated. Potential challenges and methodologies to realize the clinical application of iPSC-NS/PCs not only for the subacute phase but also for the chronic phase of SCI will be presented. Finally, we also introduce recent research with a view to the clinical application of spinal cord regenerative therapy and discuss future prospects.
Bibliography:	ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Feature-3 content type line 23 ObjectType-Review-1 Contributions: (I) Conception and design: M Inoue, R Yamaguchi, J Kohyama; (II) Administrative support: H Okano, A Ikeda; (III) Provision of study materials or patients: None; (IV) Collection and assembly of data: M Inoue, R Yamaguchi, J Kohyama; (V) Data analysis and interpretation: M Inoue, R Yamaguchi, CCJ He, J Kohyama; (VI) Manuscript writing: All authors; (VII) Final approval of manuscript: All authors.
ISSN:	2306-9759 2313-0792 2313-0792
DOI:	10.21037/sci-2022-037