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"The course of Parkinson disease (PD) can vary from gradual deterioration to precipitous decline in motor or cognitive function. Therefore identifying predictors of progression can benefit understanding of PD disease progression and impact management. Data from 304 PD patients followed for up to 8 years indicate that patients with higher cerebrospinal fluid (CSF) alpha-synuclein levels experienced faster cognitive decline in the following months, although no associations were found between alpha-synuclein levels and motor changes. The results are published in The American Journal of Pathology."^^<http://www.w3.org/2001/XMLSchema#string>
<http://medicalxpress.com/news/2014-03-higher-csf-alpha-synuclein-faster-cognitive.html>