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Intravenous transplantation of mesenchymal stromal cells to enhance peripheral nerve regeneration.

Abstract
Peripheral nerve injury is a common and devastating complication after trauma and can cause irreversible impairment or even complete functional loss of the affected limb. While peripheral nerve repair results in some axonal regeneration and functional recovery, the clinical outcome is not optimal and research continues to optimize functional recovery after nerve repair. Cell transplantation approaches are being used experimentally to enhance regeneration. Intravenous infusion of mesenchymal stromal cells (MSCs) into spinal cord injury and stroke was shown to improve functional outcome. However, the repair potential of intravenously transplanted MSCs in peripheral nerve injury has not been addressed yet. Here we describe the impact of intravenously infused MSCs on functional outcome in a peripheral nerve injury model. Rat sciatic nerves were transected followed, by intravenous MSCs transplantation. Footprint analysis was carried out and 21 days after transplantation, the nerves were removed for histology. Labelled MSCs were found in the sciatic nerve lesion site after intravenous injection and regeneration was improved. Intravenously infused MSCs after acute peripheral nerve target the lesion site and survive within the nerve and the MSC treated group showed greater functional improvement. The results of study suggest that nerve repair with cell transplantation could lead to greater functional outcome.
AuthorsStella M Matthes, Kerstin Reimers, Insa Janssen, Christina Liebsch, Jeffery D Kocsis, Peter M Vogt, Christine Radtke
JournalBioMed research international (Biomed Res Int) Vol. 2013 Pg. 573169 ( 2013) ISSN: 2314-6141 [Electronic] United States
PMID24459671 (Publication Type: Journal Article, Research Support, Non-U.S. Gov't, Research Support, U.S. Gov't, Non-P.H.S.)
Topics
  • Administration, Intravenous
  • Animals
  • Axons (pathology)
  • Cell- and Tissue-Based Therapy
  • Humans
  • Mesenchymal Stem Cell Transplantation
  • Mesenchymal Stem Cells (cytology, metabolism)
  • Nerve Regeneration
  • Peripheral Nerves (pathology)
  • Peripheral Nervous System Diseases (pathology, therapy)
  • Rats
  • Spinal Cord Injuries (pathology, therapy)

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