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Issue 9, 2015
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An effective strategy of magnetic stem cell delivery for spinal cord injury therapy

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Abstract

Spinal cord injury (SCI) is a condition that results in significant mortality and morbidity. Treatment of SCI utilizing stem cell transplantation represents a promising therapy. However, current conventional treatments are limited by inefficient delivery strategies of cells into the injured tissue. In this study, we designed a magnetic system and used it to accumulate stem cells labelled with superparamagnetic iron oxide nanoparticles (SPION) at a specific site of a SCI lesion. The loading of stem cells with engineered SPIONs that guarantees sufficient attractive magnetic forces was achieved. Further, the magnetic system allowed rapid guidance of the SPION-labelled cells precisely to the lesion location. Histological analysis of cell distribution throughout the cerebrospinal channel showed a good correlation with the calculated distribution of magnetic forces exerted onto the transplanted cells. The results suggest that focused targeting and fast delivery of stem cells can be achieved using the proposed non-invasive magnetic system. With future implementation the proposed targeting and delivery strategy bears advantages for the treatment of disease requiring fast stem cell transplantation.

Graphical abstract: An effective strategy of magnetic stem cell delivery for spinal cord injury therapy

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Publication details

The article was received on 02 Oct 2014, accepted on 24 Jan 2015 and first published on 26 Jan 2015


Article type: Communication
DOI: 10.1039/C4NR05791K
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Citation: Nanoscale, 2015,7, 3954-3958

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    An effective strategy of magnetic stem cell delivery for spinal cord injury therapy

    D. Tukmachev, O. Lunov, V. Zablotskii, A. Dejneka, M. Babic, E. Syková and Š. Kubinová, Nanoscale, 2015, 7, 3954
    DOI: 10.1039/C4NR05791K

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