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Eur J Neurol. 2013 Jan;20(1):208-10. doi: 10.1111/j.1468-1331.2012.03745.x. Epub 2012 May 12.

Low serum uric acid concentration in Parkinson's disease in southern Spain.

Author information

  • 1Unidad de Trastornos del Movimiento, Servicio de Neurología y Neurofisiología Clínica, Instituto de Biomedicina de Sevilla (IBiS), Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla, Sevilla, Spain.

Abstract

BACKGROUND AND PURPOSE:

Uric acid (UA) is thought to have an antioxidant effect on the central nervous system and may also prevent cerebral damage induced by oxidative stress. Our study aimed to investigate whether patients with Parkinson's disease (PD) had lower serum UA concentrations than controls and whether UA concentration was related to clinical parameters of the disease.

METHODS:

We included 161 patients with PD and 178 controls from southern Spain. UA concentration was compared between these two groups. Clinical parameters including severity of the disease were related to serum UA.

RESULTS:

Patients with PD showed statistically significant lower serum UA concentrations than controls. Serum UA concentration was lower in patients with PD in severe stages (4 and 5) than in those in moderate stage (2) according to the modified Hoehn and Yahr scale. Other clinical parameters were not related to serum UA concentration, except for levodopa equivalent daily dose that was associated with lower serum UA concentration in men.

CONCLUSIONS:

Our study produced consistent findings that UA might have a protective effect against PD and could influence its clinical progression.

© 2012 The Author(s) European Journal of Neurology © 2012 EFNS.

PMID:
22577816
[PubMed - indexed for MEDLINE]
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