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Novel SLC20A2 variant in a Japanese patient with idiopathic basal ganglia calcification-1 (IBGC1) associated with dopa-responsive parkinsonism.


ABSTRACT: Idiopathic basal ganglia calcification-1 (IBGC1) is an autosomal dominant disorder characterized by calcification in the basal ganglia, which can manifest a range of neuropsychiatric symptoms, including parkinsonism. We herein describe a 64-year-old Japanese IBGC1 patient with bilateral basal ganglia calcification carrying a novel SLC20A2 variant (p.Val322Glufs*92). The patient also presented with dopa-responsive parkinsonism with decreased dopamine transporter (DAT) density in the bilateral striatum and decreased cardiac 123I-meta-iodobenzylguanidine uptake.

SUBMITTER: Ichikawa Y 

PROVIDER: S-EPMC6804589 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

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Novel <i>SLC20A2</i> variant in a Japanese patient with idiopathic basal ganglia calcification-1 (IBGC1) associated with dopa-responsive parkinsonism.

Ichikawa Yaeko Y   Tanaka Masaki M   Kurita Eriko E   Nakajima Masanori M   Tanaka Masaki M   Oishi Chizuko C   Goto Jun J   Tsuji Shoji S   Chiba Atsuro A  

Human genome variation 20190904


Idiopathic basal ganglia calcification-1 (IBGC1) is an autosomal dominant disorder characterized by calcification in the basal ganglia, which can manifest a range of neuropsychiatric symptoms, including parkinsonism. We herein describe a 64-year-old Japanese IBGC1 patient with bilateral basal ganglia calcification carrying a novel <i>SLC20A2</i> variant (p.Val322Glufs*92). The patient also presented with dopa-responsive parkinsonism with decreased dopamine transporter (DAT) density in the bilate  ...[more]

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