Cerebrospinal Fluid Biomarkers Examined in Early Parkinson Disease

by Bidita Debnath on  August 27, 2013 at 11:31 PM Research News
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In a group of untreated patients compared with healthy patients, cerebrospinal fluid (CSF) levels of tau proteins, ɑ-synuclein, and β-amyloid 1-42 (Αβ1-42) appear to be associated with early stage Parkinson disease.
 Cerebrospinal Fluid Biomarkers Examined in Early Parkinson Disease
Cerebrospinal Fluid Biomarkers Examined in Early Parkinson Disease

This is according to a study by Ju-Hee Kang, M.D., of the University of Pennsylvania, and colleagues.

The study included the initial 102 research volunteers (63 patients with PD and 39 healthy control patients) of the Parkinson's Progression Markers Initiative (PPMI) study.

Results indicate that slightly, but significantly, lower levels of Αβ1-42, T-tau, P-tau181, ɑ-synuclein and T-tau/Αβ1-42 were seen in patients with PD compared with healthy control patients. Lower Αβ1-42 and P-tau181 levels were associated with PD diagnosis, and decreased CSF T-tau and ɑ-synuclein levels were associated with increased motor severity, the results also show.

"In this first report of CSF biomarkers in PPMI study subjects, we found that measures of CSF Αβ1-42, T-tau, P-tau181 and ɑ-synuclein have prognostic and diagnostic potential in early-stage PD. Further investigations using the entire PPMI cohort will test the predictive performance of CSF biomarkers for PD progression," the study concludes.

Source: Eurekalert

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