A vision is to implant nerve precursor cells in the diseased brains of patients with Parkinson’s and Huntington’s diseases, whereby these cells are to assume the function of the cells that have died off. However, the implanted nerve cells frequently do not migrate as hoped, rather they hardly move from the site. Scientists at the Institute for Reconstructive Neurobiology at Bonn University have now discovered an important cause of this: Attractants secreted by the precursor cells prevent the maturing nerve cells from migrating into the brain. The results are presented in the journal Nature Neuroscience.
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