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Programming cells to home to specific tissues may enable more effective cell-based therapies
Date:10/27/2011

the area of interest after being injected through a common and much less invasive intravenous infusion method. "These engineered cells may also be more effective because multiple doses can be administered" stated Debanjan Sarkar, PhD, previously a postdoctoral fellow in Dr. Karp's lab and now an Assistant Professor of Biomedical Engineering at the State University of New York, University at Buffalo.

"The necessity for a more effective delivery approach stems from the potential diseases cell therapy may address," said Dr. Karp, noting that the approach can be used to systemically target bone producing cells to the bone marrow to treat osteoporosis, cardiomyocytes to the heart to treat ischemic tissue, neural stem cells to the brain to treat parkinson's disease, or endothelial progenitor cells to sites of peripheral vascular disease to promote formation of new blood vessels.

The researchers concluded that, as the understanding of the mechanisms of cell trafficking grows, the ability to improve homing to specific tissues through engineered approaches should significantly enhance cell therapy by reducing the invasiveness of local administration, permitting repeat dosing, and potentially reducing the number of cells required to achieve a therapeutic effect, ultimately providing better outcomes for patients.
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Contact: Holly Brown-Ayers
hbrown-ayers@partners.org
617-534-1603
Brigham and Women's Hospital
Source:Eurekalert  

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