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Parkinsons Biomarkers | Parkinson’s Foundation [Video]

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Heart Disease

Discover how biomarkers can expand what we know about Parkinson’s disease (PD) and how biomarkers can possibly lead to earlier diagnosis.

Biological markers (also known as biomarkers) are substances in the body that can give researchers and doctors information about a person’s health. For example, high cholesterol is a biomarker of heart disease. Biomarkers can be found in body tissues or fluids, such as blood or urine. We are currently in the beginning stages of using biomarkers to help diagnose Parkinson’s.

Why are biomarkers important in Parkinson’s?

There is no single test that your doctor can use to diagnose Parkinson’s. Instead, they rely on your present and past symptoms, your medical history and in-office exams to inform a diagnosis. In some cases, blood testing or other diagnostic tools — such as a dopamine transporter (DaT) scan, a skin biopsy or magnetic resonance imaging (MRI) of the brain — can support a diagnosis.

Researchers believe biomarkers not only …

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