Human induced neural stem cells support functional recovery in spinal cord injury models

Author:

Son Daryeon,Zheng Jie,Kim In Yong,Kang Phil Jun,Park Kyoungmin,Priscilla Lia,Hong Wonjun,Yoon Byung Sun,Park Gyuman,Yoo Jeong-Eun,Song GwonhwaORCID,Lee Jang-Bo,You Seungkwon

Abstract

AbstractSpinal cord injury (SCI) is a clinical condition that leads to permanent and/or progressive disabilities of sensory, motor, and autonomic functions. Unfortunately, no medical standard of care for SCI exists to reverse the damage. Here, we assessed the effects of induced neural stem cells (iNSCs) directly converted from human urine cells (UCs) in SCI rat models. We successfully generated iNSCs from human UCs, commercial fibroblasts, and patient-derived fibroblasts. These iNSCs expressed various neural stem cell markers and differentiated into diverse neuronal and glial cell types. When transplanted into injured spinal cords, UC-derived iNSCs survived, engrafted, and expressed neuronal and glial markers. Large numbers of axons extended from grafts over long distances, leading to connections between host and graft neurons at 8 weeks post-transplantation with significant improvement of locomotor function. This study suggests that iNSCs have biomedical applications for disease modeling and constitute an alternative transplantation strategy as a personalized cell source for neural regeneration in several spinal cord diseases.

Funder

Ministry of Health, Welfare and Family Affairs | Korea Centers for Disease Control & Prevention

Korea University

Institute of Animal Molecular Biotechnology

Korea Health Industry Development Institute

KU | College of Medicine, Korea University

Publisher

Springer Science and Business Media LLC

Subject

Clinical Biochemistry,Molecular Biology,Molecular Medicine,Biochemistry

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