期刊
MOVEMENT DISORDERS
卷 35, 期 11, 页码 2111-2114出版社
WILEY
DOI: 10.1002/mds.28200
关键词
GBA; genetics; Parkinson's disease; glucocerebrosidase; penetrance
Background Homozygous glucocerebrosidase mutations cause Gaucher disease, whereas heterozygous mutations are the most important genetic risk factor for Parkinson's disease (PD). The penetrance of heterozygous glucocerebrosidase mutations for PD is variable (10%-30%), depends on the population studied, and has only been assessed in Gaucher disease or familial PD. The aim of this study was to assess the penetrance of glucocerebrosidase mutations in PD in unselected PD patients. Methods The penetrance of glucocerebrosidase mutations was estimated using the kin-cohort method. Results Data on family history were available for 63 of 123 PD glucocerebrosidase mutation carriers, identified among 2843 unrelated consecutive PD patients. Three hundred eighty-one first-degree relatives were analyzed. The risk of developing PD was 10% at 60 years, 16% at 70 years, and 19% at 80 years. Conclusions The estimated penetrance of glucocerebrosidase mutations in unselected PD patients is higher than that estimated in Gaucher disease cohorts and lower than that estimated in familial PD cohorts. (c) 2020 International Parkinson and Movement Disorder Society
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