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Serum uric acid level as a putative biomarker in Parkinson's disease patients carrying GBA1 mutations: 2-Year data from the PPMI study.

Abstract：

INTRODUCTION:Blood uric acid represents an important biomarker in sporadic Parkinson's disease (PD). Whether uric acid levels change in genetic forms of PD is beginning to be assessed. The aim of the present study was to evaluate differences in serum uric acid level among PD patients harboring mutations in the glucocerebrosidase (GBA1) gene, sporadic PD, and healthy controls followed longitudinally. METHODS:Longitudinal 2-year serum uric acid measurement data of 120 GBA-PD patients have been downloaded from the Parkinson's Progression Markers Initiative (PPMI) database. This cohort was compared with 369 de novo sporadic PD patients and 195 healthy controls enrolled in the same study. RESULTS:Following adjustment for age, sex and BMI the GBA-PD cohort exhibited lower 2-year longitudinal uric acid level as compared to the controls (p = 0.016). Baseline uric acid measurements showed only a marginal difference (p = 0.119), but year 2 uric acid levels were lower in the GBA-PD cohort (p < 0.001). There was no difference in baseline, year 2 and 2-year longitudinal serum uric acid in the GBA-PD cohort as compared to sporadic PD (p = 0.664, p = 0.117 and p = 0.315). CONCLUSIONS:This is the first study to assess serum uric acid in a GBA-PD cohort. Our findings suggest that low serum uric acid might be a progression biomarker in GBA-PD. However, more studies (ideally longitudinal) on the association between low serum uric acid and clinical data in GBA-PD are needed. These results are consistent with data from previous reports assessing uric acid as a biomarker in other genetic forms of PD.

journal_name

Parkinsonism Relat Disord

journal_title

Parkinsonism & related disorders

authors

Koros C,Simitsi AM,Papagiannakis N,Bougea A,Prentakis A,Papadimitriou D,Pachi I,Antonelou R,Angelopoulou E,Beratis I,Bozi M,Papageorgiou SG,Trapali XG,Stamelou M,Stefanis L

doi

10.1016/j.parkreldis.2020.12.020

subject

Has Abstract

pub_date

2021-01-20 00:00:00

pages

1-4

eissn

1353-8020

issn

1873-5126

pii

S1353-8020(21)00011-0

journal_volume

84

pub_type

杂志文章

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