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Parkinson Disease
Study suggests loss of 2 types of neurons -- not just 1 -- triggers Parkinson's symptoms
August 31st, 2007
New evidence indicates that the loss of two types of brain cells--not just one as previously thought--may trigger the onset of symptoms associated with Parkinson's disease. The evidence, based on mouse models, shows a link between the loss of both norepinephrine and dopamine neurons and the delayed onset of symptoms associated with Parkinson's disease. It was originally thought that the loss of only dopamine neurons triggered symptoms. Dopamine is a neurotransmitter critical for coordinating movement. Results of the study by Emory scientists, along with the University of Georgia, will appear in the Proceedings of the National Academy of Sciences,...
Source: Drug Week (2007-08-31)
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