Higher dopamine transporter density in Parkinson’s disease patients with depression
2010
Rationale
Depression is a frequent non-motor symptom in Parkinson’s disease (PD) with increasing rates with the progression of the disease. Molecular imaging studies have shown a reduction of dopamine transporter (DAT) density in depressed PD patients (dPD); however, DAT role in the pathophysiology of PD depression is not clear since clinical matching was inappropriate and DAT reduction could be attributed to PD severity.
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