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Adult stem cells activated in mammalian brain
Date:7/24/2008

examined their brains at intervals ranging from one to 28 days after the treatment. At each interval, they counted cells that were dividing in the ependymal layer. They found the most division at 28 days, when about one-quarter of the ependymal cells were dividing. Previous studies by researchers at other institutions were successful in getting only a few cells to divide in that layer.

"One interpretation of previous studies is there are scattered stem cells in the ependymal layer, and it is hard to locate them," Bryant said. "But we believe that all of the ependymal cells are stem cells, and that they all have the ability to be activated."

Researchers don't know yet what sparks cell division at the molecular level, but learning that process and how to control it could lead to a safe, effective stem cell therapy.


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Contact: Jennifer Fitzenberger
jfitzen@uci.edu
949-824-3969
University of California - Irvine
Source:Eurekalert

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