Evidence and practices of the use of next generation sequencing in patients with undiagnosed autosomal dominant cerebellar ataxias: a review

ABSTRACT Autosomal dominant cerebellar ataxias (ADCA) are heterogeneous diseases with a highly variable phenotype and genotype. They can be divided into episodic ataxia and spinocerebellar ataxia (SCA); the latter is considered the prototype of the ADCA. Most of the ADCA are caused by polyglutamine...

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Main Authors: Luiz Eduardo NOVIS, Mariana SPITZ, Marcia JARDIM, Salmo RASKIN, Hélio A. G. TEIVE
Format: Article
Language:English
Published: Academia Brasileira de Neurologia (ABNEURO) 2020-07-01
Series:Arquivos de Neuro-Psiquiatria
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0004-282X2020000900576&tlng=en
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author Luiz Eduardo NOVIS
Mariana SPITZ
Marcia JARDIM
Salmo RASKIN
Hélio A. G. TEIVE
author_facet Luiz Eduardo NOVIS
Mariana SPITZ
Marcia JARDIM
Salmo RASKIN
Hélio A. G. TEIVE
author_sort Luiz Eduardo NOVIS
collection DOAJ
description ABSTRACT Autosomal dominant cerebellar ataxias (ADCA) are heterogeneous diseases with a highly variable phenotype and genotype. They can be divided into episodic ataxia and spinocerebellar ataxia (SCA); the latter is considered the prototype of the ADCA. Most of the ADCA are caused by polyglutamine expansions, mainly SCA 1, 2, 3, 6, 7, 17 and Dentatorubral-pallidoluysian atrophy (DRPLA). However, 30% of patients remain undiagnosed after testing for these most common SCA. Recently, several studies have demonstrated that the new generation of sequencing methods are useful for the diagnose of these patients. This review focus on searching evidence on the literature, its usefulness in clinical practice and future perspectives.
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spelling doaj.art-7807f1d7cbe24842ab1c5aa05949ff302022-12-21T17:34:38ZengAcademia Brasileira de Neurologia (ABNEURO)Arquivos de Neuro-Psiquiatria1678-42272020-07-0178957658510.1590/0004-282x20200017Evidence and practices of the use of next generation sequencing in patients with undiagnosed autosomal dominant cerebellar ataxias: a reviewLuiz Eduardo NOVIShttps://orcid.org/0000-0003-1479-2953Mariana SPITZhttps://orcid.org/0000-0001-7548-2313Marcia JARDIMhttps://orcid.org/0000-0003-1784-6857Salmo RASKINhttps://orcid.org/0000-0002-7191-0592Hélio A. G. TEIVEhttps://orcid.org/0000-0002-4045-1178ABSTRACT Autosomal dominant cerebellar ataxias (ADCA) are heterogeneous diseases with a highly variable phenotype and genotype. They can be divided into episodic ataxia and spinocerebellar ataxia (SCA); the latter is considered the prototype of the ADCA. Most of the ADCA are caused by polyglutamine expansions, mainly SCA 1, 2, 3, 6, 7, 17 and Dentatorubral-pallidoluysian atrophy (DRPLA). However, 30% of patients remain undiagnosed after testing for these most common SCA. Recently, several studies have demonstrated that the new generation of sequencing methods are useful for the diagnose of these patients. This review focus on searching evidence on the literature, its usefulness in clinical practice and future perspectives.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0004-282X2020000900576&tlng=ennext generation sequencingautosomal dominant cerebellar ataxiasspinocerebellar ataxias
spellingShingle Luiz Eduardo NOVIS
Mariana SPITZ
Marcia JARDIM
Salmo RASKIN
Hélio A. G. TEIVE
Evidence and practices of the use of next generation sequencing in patients with undiagnosed autosomal dominant cerebellar ataxias: a review
Arquivos de Neuro-Psiquiatria
next generation sequencing
autosomal dominant cerebellar ataxias
spinocerebellar ataxias
title Evidence and practices of the use of next generation sequencing in patients with undiagnosed autosomal dominant cerebellar ataxias: a review
title_full Evidence and practices of the use of next generation sequencing in patients with undiagnosed autosomal dominant cerebellar ataxias: a review
title_fullStr Evidence and practices of the use of next generation sequencing in patients with undiagnosed autosomal dominant cerebellar ataxias: a review
title_full_unstemmed Evidence and practices of the use of next generation sequencing in patients with undiagnosed autosomal dominant cerebellar ataxias: a review
title_short Evidence and practices of the use of next generation sequencing in patients with undiagnosed autosomal dominant cerebellar ataxias: a review
title_sort evidence and practices of the use of next generation sequencing in patients with undiagnosed autosomal dominant cerebellar ataxias a review
topic next generation sequencing
autosomal dominant cerebellar ataxias
spinocerebellar ataxias
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0004-282X2020000900576&tlng=en
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