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Early Ataxia and Subsequent Parkinsonism: PLA2G6 Mutations Cause a Continuum Rather Than Three Discrete Phenotypes.


ABSTRACT: PLA2G6-associated neurodegeneration comprises a heterogeneous spectrum of age-related phenotypes, with three forms classically recognized, including infantile neuroaxonal dystrophy (INAD) with onset in infancy, atypical neuroaxonal dystrophy (atypical NAD) with onset in childhood, and dystonia-parkinsonism (PARK14) with onset in early adulthood. We describe 3 cases that challenge this view, discuss the related literature, and suggest that PLA2G6 mutations cause a phenotypic continuum rather than three discrete phenotypes, further ensuing clinical implications.

SUBMITTER: Erro R 

PROVIDER: S-EPMC6407056 | biostudies-literature | 2017 Jan-Feb

REPOSITORIES: biostudies-literature

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Early Ataxia and Subsequent Parkinsonism: PLA2G6 Mutations Cause a Continuum Rather Than Three Discrete Phenotypes.

Erro Roberto R   Balint Bettina B   Kurian Manju A MA   Brugger Florian F   Picillo Marina M   Barone Paolo P   Bhatia Kailash P KP   Pellecchia Maria Teresa MT  

Movement disorders clinical practice 20160331 1


<i>PLA2G6</i>-associated neurodegeneration comprises a heterogeneous spectrum of age-related phenotypes, with three forms classically recognized, including infantile neuroaxonal dystrophy (INAD) with onset in infancy, atypical neuroaxonal dystrophy (atypical NAD) with onset in childhood, and dystonia-parkinsonism (PARK14) with onset in early adulthood. We describe 3 cases that challenge this view, discuss the related literature, and suggest that <i>PLA2G6</i> mutations cause a phenotypic continu  ...[more]

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