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First early-detection blood test for Parkinson's shows promise
Date:3/11/2008

her antioxidant, glutathione; and increased levels of a marker for oxidative damage called 8-OHdG.

"Together, these and other compounds were arranged into a metabolomic pattern that identified Parkinson's disease with great accuracy," Dr. Beal says.

He stressed that more work needs to be done to validate the finding, and a test that might be used routinely by doctors is still a few years away.

"We are currently enlarging the sample size and studying people at serial intervals, to see if this test might also serve as a benchmark for disease progression," Dr. Beal says. "We are also looking at people who carry a gene for a familial form of Parkinson's, but who do not have the illness now. We hope to track them over time to see if this metabolomic profile is predictive of disease onset."

If those data prove as promising as this early trial, an early-detection blood test for Parkinson's disease could someday become a reality. According to Dr. Beal, "That would be a big step forward for both the treatment and the study of this devastating illness."


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Contact: Kathleen Robinson
krobinso@med.cornell.edu
212-821-0560
New York- Presbyterian Hospital/Weill Cornell Medical Center/Weill Cornell Medical College
Source:Eurekalert

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