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New Parkinson's disease chemical messenger discovered

A new chemical messenger that is critical in protecting the brain against Parkinson's disease has been identified by scientists. The research team had previously discovered that mutations in two genes -- called PINK1 and Parkin -- lead to Parkinson's. Now they have made a completely unexpected discovery about the way the two genes interact, which they say could open up exciting new avenues for research around Parkinson's and offer new drug targets.
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