Longitudinal Positron Emission Tomography of Dopamine Synthesis in Subjects with GBA1 Mutations

Mutations in GBA1, the gene mutated in Gaucher disease, are a common genetic risk factor for Parkinson disease, although the penetrance is low. We performed [18F]‐fluorodopa positron emission tomography studies of 57 homozygous and heterozygous GBA1 mutation carriers (15 with parkinsonism) and 98 co...

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Published in:Annals of neurology 2020-04, Vol.87 (4), p.652-657
Main Authors: Lopez, Grisel, Eisenberg, Daniel P., Gregory, Michael D., Ianni, Angela M., Grogans, Shannon E., Masdeu, Joseph C., Kim, Jenny, Groden, Catherine, Sidransky, Ellen, Berman, Karen F.
Format: Article
Language:English
Subjects:
Dopamine
Emission analysis
Gaucher's disease
Health risks
Movement disorders
Mutation
Neostriatum
Neurodegenerative diseases
Parkinson's disease
Positron emission
Positron emission tomography
Risk analysis
Risk factors
Tomography
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cited_by cdi_FETCH-LOGICAL-c3532-e76cbe6f176c5c42c69ef90247d8370b038040b26184dfa0449b4353463161d43
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container_issue 4
container_start_page 652
container_title Annals of neurology
container_volume 87
creator Lopez, Grisel
Eisenberg, Daniel P.
Gregory, Michael D.
Ianni, Angela M.
Grogans, Shannon E.
Masdeu, Joseph C.
Kim, Jenny
Groden, Catherine
Sidransky, Ellen
Berman, Karen F.
description Mutations in GBA1, the gene mutated in Gaucher disease, are a common genetic risk factor for Parkinson disease, although the penetrance is low. We performed [18F]‐fluorodopa positron emission tomography studies of 57 homozygous and heterozygous GBA1 mutation carriers (15 with parkinsonism) and 98 controls looking for early indications of dopamine loss using voxelwise analyses to identify group differences in striatal [18F]‐fluorodopa uptake (Ki). Forty‐eight subjects were followed longitudinally. Cross‐sectional and longitudinal comparisons of Ki and Ki change found significant effects of Parkinson disease. However, at baseline and over time, striatal [18F]‐fluorodopa uptake in mutation carriers without parkinsonism did not significantly differ from controls. ANN NEUROL 2020;87:652–657
doi_str_mv 10.1002/ana.25692
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source Wiley Online Library
subjects Dopamine
Emission analysis
Gaucher's disease
Health risks
Movement disorders
Mutation
Neostriatum
Neurodegenerative diseases
Parkinson's disease
Positron emission
Positron emission tomography
Risk analysis
Risk factors
Tomography
title Longitudinal Positron Emission Tomography of Dopamine Synthesis in Subjects with GBA1 Mutations
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