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Stem Cells and Scars

New Findings Rehabilitate Scar in Spinal Cord Injury

By Anette Breindl
Science Editor

Friday, November 1, 2013

Scientists have picked apart the role of scarring after spinal cord injury and found that there is at least one component of the glial scar that is helpful for tissue regeneration. “The role of the scar tissue is complex, but it has mainly been implicated in inhibiting regeneration.” Senior author Jonas Frisen of the Karolinska Institutet explained in a podcast published along with the paper, which appeared in the Nov. 1, 2013, issue of Science. “However, we now show that one distinct component of the scar generated by neural stem cells is necessary for limiting the injury and also for supporting the survival of nerve cells close to the lesion.”

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