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Open Access Feasibility of Delivering Mesenchymal Stem Cells Via Catheter to the Proximal End of the Lesion Artery in Patients With Stroke in the Territory of the Middle Cerebral Artery

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Abstract:

Stem cell-based therapy shows great potential in stroke patients. Intra-artery infusion exhibits greater biological distribution compared to intravenous delivery. In addition, umbilical cord mesenchymal stem cells (UCMSCs) have several advantages compared with other types of stem cells. The aim of this study was to evaluate the safety and efficacy of UCMSCs delivered by a catheter to a near lesion site for treatment of an infarction in the middle cerebral artery territory. Four patients with stroke (three with ischemic and one with hemorrhagic stroke) in the middle cerebral artery territory were recruited in this study. One single dose of 2 × 107 UCMSCs was infused within 20 min via catheterization in the M1 segment of the middle cerebral artery. The safety and efficacy of this approach were assessed during the in-hospital and 6-month follow-up evaluation. The cell delivery was successfully performed in all of the patients, and no major accidents (stroke or death) were observed. Moreover, no fever or rash was reported. After cellular therapy, two of the three ischemic stroke patients demonstrated improved muscle strength. The improvement of the modified Rankin scale was observed in two patients, both of whom suffered from ischemic stroke at 90 and 180 days after the stem cell therapy. The hemorrhagic stroke patient failed to demonstrate improved muscle strength and did not amend his daily activities. Intra-artery delivery of UCMSCs via catheterization was a feasible and safe approach and may improve the neurological function of ischemic stroke patients with the middle cerebral artery territory infarcts.

Keywords: Intra-artery; Middle cerebral artery; Stem cells; Stroke

Document Type: Research Article

DOI: http://dx.doi.org/10.3727/096368912X658818

Publication date: December 23, 2013

More about this publication?
  • Cell Transplantation publishes original, peer-reviewed research and review articles on the subject of cell transplantation and its application to human diseases. To ensure high-quality contributions from all areas of transplantation, separate section editors and editorial boards have been established. Articles deal with a wide range of topics including physiological, medical, preclinical, tissue engineering, and device-oriented aspects of transplantation of nervous system, endocrine, growth factor-secreting, bone marrow, epithelial, endothelial, and genetically engineered cells, among others. Basic clinical studies and immunological research papers are also featured. To provide complete coverage of this revolutionary field, Cell Transplantation will report on relevant technological advances, and ethical and regulatory considerations of cell transplants. Cell Transplantation is now an Open Access journal starting with volume 18 in 2009, and therefore there will be an inexpensive publication charge, which is dependent on the number of pages, in addition to the charge for color figures. This will allow work to be disseminated to a wider audience and also entitle the corresponding author to a free PDF, as well as prepublication of an unedited version of the manuscript.
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