期刊
JOURNAL OF NEUROLOGY NEUROSURGERY AND PSYCHIATRY
卷 91, 期 7, 页码 695-702出版社
BMJ PUBLISHING GROUP
DOI: 10.1136/jnnp-2020-322857
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资金
- Wellcome Trust
- Medical Research Council
- Parkinson's UK
- Patrick Berthoud Trust
- Cure Parkinson's Trust
- Van Geest Foundation
- MRC
- National Institute for Health Research (NIHR) Cambridge Biomedical Research Centre Dementia and Neurodegeneration Theme [146281]
- National Institutes of Health [R01AG 057331, U01NS100603]
- American Parkinson Disease Association
- NIHR
- Innovate UK
- John Black Charitable Foundation
- Van Andel Research Institute
- Wellcome Clinical Research Career Development Fellowship
- Wellcome Trust Stem Cell Institute (Cambridge) [203151/Z/16/Z]
- RCUK/UKRI Research Innovation Fellowship - Medical Research Council [MR/R007446/1]
- Cambridge Centre for Parkinson-Plus
- Michael J Fox Foundation
- MRC [MC_PC_17230, MR/R007446/1] Funding Source: UKRI
Introduction Variants in theGBA1gene have been identified as a common risk factor for Parkinson's disease (PD). In addition to pathogenic mutations (those associated with Gaucher disease), a number of 'non-pathogenic' variants also occur at increased frequency in PD. Previous studies have reported that pathogenic variants adversely affect the clinical course of PD. The role of 'non-pathogenic'GBA1variants on PD course is less clear. In this study, we report the effect ofGBA1variants in incident PD patients with long-term follow-up. Methods The study population consisted of patients in the Cambridgeshire Incidence of Parkinson's disease from General Practice to Neurologist and Parkinsonism: Incidence, Cognition and Non-motor heterogeneity in Cambridgeshire cohorts. Patients were grouped into non-carriers, carriers of 'non-pathogenic'GBA1variants and carriers of pathogenicGBA1mutations. Survival analyses for time to development of dementia, postural instability and death were carried out. Cox regression analysis controlling for potential confounders were used to determine the impact ofGBA1variants on these outcome measures. Results GBA1variants were identified in 14.4% of patients. Pathogenic and 'non-pathogenic'GBA1variants were associated with the accelerated development of dementia and a more aggressive motor course. PathogenicGBA1variants were associated with earlier mortality in comparison with non-carriers, independent of the development of dementia. Discussion GBA1variants, including those not associated with Gaucher disease, are common in PD and result in a more aggressive disease course.
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