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Int J Neurosci. 2013 Sep;123(9):670-3. doi: 10.3109/00207454.2013.787616. Epub 2013 Apr 29.

A new SETX mutation producing AOA2 in two siblings.

Author information

  • 1Boston University School of Medicine, Department of Neurology, Boston, MA, USA. ndatta@bu.edu

Abstract

OBJECTIVE:

In this paper, we document two cases of a new SETX mutation (820:A>G) combined with an established recessive SETX mutation (5927:T>G) causing ataxia with oculomotor apraxia type 2 (AOA2).

METHODS:

The patients had a detailed neurological history and examination performed. Radiological imaging was obtained and genetic analysis was obtained.

RESULTS:

Both siblings demonstrated healthy and normal growth until adolescence. At that time, slowed speech, hypophonia, dysarthria, extraocular muscle dysfunction and some mild choreiform movements began to appear. Family history included some movement disorder difficulties in second degree relatives. The diagnosis of AOA2 was confirmed by genetic testing.

CONCLUSIONS:

We describe a new SETX gene mutation, which when combined with a recognized SETX mutation results in AOA2. The clinical, radiographic and ancillary testing are described.

[PubMed - indexed for MEDLINE]
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