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Published in: Neurological Sciences 3/2022

Open Access 01-03-2022 | Affective Disorder | Original Article

Low serum uric acid levels are associated with the nonmotor symptoms and brain gray matter volume in Parkinson’s disease

Authors: Xiaoxue Shi, Jinhua Zheng, Jianjun Ma, Zhidong Wang, Wenhua Sun, Mingjian Li, Shen Huang, Shiyu Hu

Published in: Neurological Sciences | Issue 3/2022

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Abstract

Background

Uric acid (UA) plays a protective role in Parkinson’s disease (PD). To date, studies on the relationship between serum UA levels and nonmotor symptoms and brain gray matter volume in PD patients have been rare.

Methods

Automated enzymatic analysis was used to determine serum UA levels in 68 healthy controls and 88 PD patients, including those at the early (n = 56) and middle-late (n = 32) stages of the disease. Evaluation of motor symptoms and nonmotor symptoms in PD patients was assessed by the associated scales. Image acquisition was performed using a Siemens MAGNETOM Prisma 3 T MRI scanner.

Results

Serum UA levels in early stage PD patients were lower than those in healthy controls, and serum UA levels in the middle-late stage PD patients were lower than those in the early stage PD patients. Serum UA levels were significantly negatively correlated with the disease course, dysphagia, anxiety, depression, apathy, and cognitive dysfunction. ROC assessment confirmed that serum UA levels had good predictive accuracy for PD with dysphagia, anxiety, depression, apathy, and cognitive dysfunction. Furthermore, UA levels were significantly positively correlated with gray matter volume in whole brain.

Conclusions

This study shows that serum UA levels were correlated with the nonmotor symptoms of dysphagia, anxiety, depression, apathy, and cognitive dysfunction and the whole-brain gray matter volume. That is the first report examining the relationships between serum UA and clinical manifestations and imaging features in PD patients.
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Metadata
Title
Low serum uric acid levels are associated with the nonmotor symptoms and brain gray matter volume in Parkinson’s disease
Authors
Xiaoxue Shi
Jinhua Zheng
Jianjun Ma
Zhidong Wang
Wenhua Sun
Mingjian Li
Shen Huang
Shiyu Hu
Publication date
01-03-2022
Publisher
Springer International Publishing
Published in
Neurological Sciences / Issue 3/2022
Print ISSN: 1590-1874
Electronic ISSN: 1590-3478
DOI
https://doi.org/10.1007/s10072-021-05558-8

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