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Comparison of mesenchymal stem cells from adipose tissue and bone marrow for ischemic stroke therapy *

Background aims

Transplantation of mesenchymal stromal cells (MSC) derived from bone marrow (BM) or adipose tissue is expected to become a cell therapy for stroke. The present study compared the therapeutic potential of adipose-derived stem cells (ASC) with that of BM-derived stem cells (BMSC) in a murine stroke model.

Methods

ASC and BMSC were isolated from age-matched C57BL/6J mice. These MSC were analyzed for growth kinetics and their capacity to secrete trophic factors and differentiate toward neural and vascular cell lineages in vitro. For in vivo study, ASC or BMSC were administrated intravenously into recipient mice (1 × 105 cells/mouse) soon after reperfusion following a 90-min middle cerebral artery occlusion. Neurologic deficits, the degree of infarction, expression of factors in the brain, and the fate of the injected cells were observed.

Results

ASC showed higher proliferative activity with greater production of vascular endothelial cell growth factor (VEGF) and hepatocyte growth factor (HGF) than BMSC. Furthermore, in vitro conditions allowed ASC to differentiate into neural, glial and vascular endothelial cells. ASC administration showed remarkable attenuation of ischemic damage, although the ASC were not yet fully incorporated into the infarct area. Nonetheless, the expression of HGF and angiopoietin-1 in ischemic brain tissue was significantly increased in ASC-treated mice compared with the BMSC group.

Conclusions

Compared with BMSC, ASC have great advantages for cell preparation because of easier and safer access to adipose tissue. Taken together, our findings suggest that ASC would be a more preferable source for cell therapy for brain ischemia than BMSC.

URL: http://www.sciencedirect.com/science/article/pii/S1465324911705473

* Legal Disclaimer: Chelation and Hyperbaric Therapy, Stem Cell Therapy, and other treatments and modalities mentioned or referred to in this web site are medical techniques that may or may not be considered “mainstream”. As with any medical treatment, results will vary among individuals, and there is no implication or guarantee that you will heal or achieve the same outcome as patients herein.

As with any procedure, there could be pain or other substantial risks involved. These concerns should be discussed with your health care provider prior to any treatment so that you have proper informed consent and understand that there are no guarantees to healing.

THE INFORMATION IN THIS WEBSITE IS OFFERED FOR GENERAL EDUCATIONAL PURPOSES ONLY AND DOES NOT IMPLY OR GIVE MEDICAL ADVICE. No Doctor/Patient relationship shall be deemed to have arisen simply by reading the information contained on these pages, and you should consult with your personal physician/care giver regarding your medical treatment before undergoing any sort of treatment or therapy.

Published on 10-15-2014