Journal
SENSORS
Volume 22, Issue 3, Pages -Publisher
MDPI
DOI: 10.3390/s22030951
Keywords
Parkinson's disease; L-Dopa; biosensors; wearable sensors; electrochemical monitoring
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Parkinson's disease is a neurodegenerative disorder characterized by the aggregation of alpha-synuclein and the loss of dopaminergic neurons. The diagnosis and management of PD currently rely on clinical procedures, highlighting the need for innovative biomarkers. Miniaturized electrochemical sensors have emerged as a promising tool for PD management, allowing the detection of specific biological molecules through wearable devices.
Parkinson's disease (PD) is a neurodegenerative disorder associated with widespread aggregation of alpha-synuclein and dopaminergic neuronal loss in the substantia nigra pars compacta. As a result, striatal dopaminergic denervation leads to functional changes in the cortico-basal-ganglia-thalamo-cortical loop, which in turn cause most of the parkinsonian signs and symptoms. Despite tremendous advances in the field in the last two decades, the overall management (i.e., diagnosis and follow-up) of patients with PD remains largely based on clinical procedures. Accordingly, a relevant advance in the field would require the development of innovative biomarkers for PD. Recently, the development of miniaturized electrochemical sensors has opened new opportunities in the clinical management of PD thanks to wearable devices able to detect specific biological molecules from various body fluids. We here first summarize the main wearable electrochemical technologies currently available and their possible use as medical devices. Then, we critically discuss the possible strengths and weaknesses of wearable electrochemical devices in the management of chronic diseases including PD. Finally, we speculate about possible future applications of wearable electrochemical sensors in PD, such as the attractive opportunity for personalized closed-loop therapeutic approaches.
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