Ataxia with oculomotor apraxia type 2: novel mutations in six patients with juvenile age of onset and elevated serum alpha-fetoprotein.

Abstract:

:Ataxia with oculomotor apraxia type 2 (AOA2), a neurodegenerative disorder with juvenile to adolescent onset is caused by mutations within the SENATAXIN gene ( SETX). We performed molecular analyses in six patients showing clinically an AOA2 phenotype and moderate to significant elevated serum alpha-fetoprotein levels. Sequencing the 24 coding exons and flanking intronic sequences revealed 11 novel DNA variations, including seven unknown missense mutations, a dinucleotide deletion, a four-nucleotide deletion affecting the 5' splice site of exon 22 and two sequence variations, which are considered to be polymorphisms. By molecular testing the clinical diagnosis has been confirmed in all patients.

journal_name

Neuropediatrics

journal_title

Neuropediatrics

authors

Bernard V,Stricker S,Kreuz F,Minnerop M,Gillessen-Kaesbach G,Zühlke C

doi

10.1055/s-0029-1214424

subject

Has Abstract

pub_date

2008-12-01 00:00:00

pages

347-50

issue

6

eissn

0174-304X

issn

1439-1899

journal_volume

39

pub_type

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