alexa Treatment of traumatic brain injury in mice with bone marrow stromal cell-impregnated collagen scaffolds.
Genetics & Molecular Biology

Genetics & Molecular Biology

Journal of Stem Cell Research & Therapy

Author(s): Qu C

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This study was designed to investigate new ways of delivering human marrow stromal cells (hMSCs) to the injured brain by impregnating them into collagen scaffolds in a mouse model of traumatic brain injury (TBI).


Eight C57BL/6 J mice were injured with controlled cortical impact and received transplantation into the lesion cavity of 0.3 x 10(6) hMSCs impregnated into 3D porous collagen scaffolds. Additional experimental groups of 8 mice each received scaffolds implanted alone into the lesion cavity, hMSCs administered alone intracerebrally or intravenously, or saline injected into the lesion core. All treatments were performed 7 days after TBI. Spatial learning was measured using a modified Morris water maze test, and brain tissue samples were processed for histopathological analysis.


The results showed that hMSC-impregnated scaffolds were more effective than hMSCs administered alone (either intravenously or intracerebrally) in improving spatial learning, reducing lesion volume, and increasing vascular density after TBI.


Collagen scaffolds populated with hMSCs may be a new way to reconstruct injured brain tissue and improve neurological function after TBI.

This article was published in J Neurosurg. and referenced in Journal of Stem Cell Research & Therapy

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