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Salk Institute

Newborn neurons in the adult brain can settle in the wrong neighborhood

Published in Blood Weekly, November 27th, 2008

In a study that could have significant consequences for neural tissue transplantation strategies, researchers at the Salk Institute for Biological Studies report that inactivating a specific gene in adult neural stem cells makes nerve cells emerging from those precursors form connections in the wrong part of the adult brain.

In a paper published in the Nov. 11 issue of PLoS Biology, the team, led by Fred H. Gage, Ph.D., professor in the Laboratory of Genetics, discovered that a protein called cdk5 is necessary for both correct elaboration of highly branched and complex antennae, known as dendrites, which are extended by neurons, and the proper migration of cells bearing...

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