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http://purl.uniprot.org/citations/35934920http://www.w3.org/1999/02/22-rdf-syntax-ns#typehttp://purl.uniprot.org/core/Journal_Citation
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Background

Neuroimaging studies have shown that the functional connectivity (FC) of corticostriatal circuits in nonmanifesting leucine-rich repeat kinase 2 (LRRK2) G2019S mutation carriers mirrors neural changes in idiopathic Parkinson's disease (PD). In contrast, neural network changes in LRRK2 G2385R and R1628P mutations are unclear. We aimed to investigate the FC of corticostriatal circuits in nonmanifesting LRRK2 G2385R and R1628P mutation carriers (NMCs).

Methods

Twenty-three NMCs, 28 PD patients, and 29 nonmanifesting noncarriers (NMNCs) were recruited. LRRK2 mutation analysis was performed on all participants. Clinical evaluation included MDS-UPDRS.

Results

When compared to NMNCs, NMCs showed significantly reduced FC between the caudate nucleus and superior frontal gyrus and cerebellum, and between the nucleus accumbens and parahippocampal gyrus, amygdala, and insula. We also found increased striatum-cortical FC in NMCs.

Conclusions

Although the corticostriatal circuits have characteristic changes similar to PD, the relatively intact function of the sensorimotor striatum-cortical loop may result in less possibility of developing parkinsonian motor symptoms for the NMCs. This study helps explain why LRRK2 G2385R and R1628P mutations are risk factors rather than pathogenic mutations for PD and suggests that various LRRK2 mutations have distinct effects on neural networks."xsd:string
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http://purl.uniprot.org/citations/35934920http://purl.uniprot.org/core/author"Fang J."xsd:string
http://purl.uniprot.org/citations/35934920http://purl.uniprot.org/core/author"Gao L."xsd:string
http://purl.uniprot.org/citations/35934920http://purl.uniprot.org/core/author"He H."xsd:string
http://purl.uniprot.org/citations/35934920http://purl.uniprot.org/core/author"Ma J."xsd:string
http://purl.uniprot.org/citations/35934920http://purl.uniprot.org/core/author"Sun J."xsd:string
http://purl.uniprot.org/citations/35934920http://purl.uniprot.org/core/author"Wu T."xsd:string
http://purl.uniprot.org/citations/35934920http://purl.uniprot.org/core/author"Zhang D."xsd:string
http://purl.uniprot.org/citations/35934920http://purl.uniprot.org/core/author"Yao J."xsd:string
http://purl.uniprot.org/citations/35934920http://purl.uniprot.org/core/date"2022"xsd:gYear
http://purl.uniprot.org/citations/35934920http://purl.uniprot.org/core/name"CNS Neurosci Ther"xsd:string
http://purl.uniprot.org/citations/35934920http://purl.uniprot.org/core/pages"2024-2031"xsd:string
http://purl.uniprot.org/citations/35934920http://purl.uniprot.org/core/title"Connectivity of corticostriatal circuits in nonmanifesting LRRK2 G2385R and R1628P carriers."xsd:string
http://purl.uniprot.org/citations/35934920http://purl.uniprot.org/core/volume"28"xsd:string
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