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논문 기본 정보

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학술저널
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연세대학교 의과대학 Yonsei Medical Journal Yonsei Medical Journal 제56권 제4호
발행연도
2015.1
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1,036 - 1,043 (8page)

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Purpose: Spinal cord injury (SCI) is associated with permanent neurological damage,and treatment thereof with a single modality often does not provide sufficient therapeutic outcomes. Therefore, a strategy that combines two or more techniques might show better therapeutic effects. Materials and Methods: In this study, we designed a combined treatment strategy based on neural stem cells (NSCs) introduced via a neuronal cell type‒inducible transgene expression system (NSE::) controlled by a neuron-specific enolase (NSE) promoter to maximize therapeutic efficiency and neuronal differentiation. The luciferase gene was chosen to confirm whether this combined system was working properly prior to using a therapeutic gene. The luciferase expression levels of NSCs introduced via the neuronal cell type‒inducibleluciferase expression system (NSE::Luci) or via a general luciferase expressing system (SV::Luci) were measured and compared in vitro and in vivo. Results: NSCs introduced via the neuronal cell type‒inducible luciferase expressing system (NSE::Luci-NSCs) showed a high level of luciferase expression, compared to NSCs introduced via a general luciferase expressing system (SV::Luci-NSCs). Interestingly,the luciferase expression level of NSE::Luci-NSCs increased greatly afterdifferentiation into neurons. Conclusion: We demonstrated that a neuronal cell type‒inducible gene expression system is suitable for introducing NSCs in combinedtreatment strategies. We suggest that the proposed strategy may be a promisingtool for the treatment of neurodegenerative disorders, including SCI.

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