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Neurosci Lett. 2012 Aug 8;523(1):35-8. doi: 10.1016/j.neulet.2012.06.036. Epub 2012 Jun 25.

Analysis of ATP13A2 in large neurodegeneration with brain iron accumulation (NBIA) and dystonia-parkinsonism cohorts.

Author information

1
Sanford Children's Health Research Center, Sioux Falls, SD 57104, USA. michael.kruer@sanfordhealth.org

Abstract

Several causative genes have been identified for both dystonia-parkinsonism and neurodegeneration with brain iron accumulation (NBIA), yet many patients do not have mutations in any of the known genes. Mutations in the ATP13A2 lead to Kufor Rakeb disease, a form of autosomal recessive juvenile parkinsonism that also features oromandibular dystonia. More recently, evidence of iron deposition in the caudate and putamen have been reported in patients with ATP13A2 mutations. We set out to determine the frequency of ATP13A2 mutations in cohorts of idiopathic NBIA and dystonia-parkinsonism. We screened for large deletions using whole genome arrays, and sequenced the entire coding region in 92 cases of NBIA and 76 cases of dystonia-parkinsonism. A number of coding and non-coding sequence variants were identified in a heterozygous state, but none were predicted to be pathogenic based on in silico analyses. Our results indicate that ATP13A2 mutations are a rare cause of both NBIA and dystonia-parkinsonism.

PMID:
22743658
PMCID:
PMC3619445
DOI:
10.1016/j.neulet.2012.06.036
[Indexed for MEDLINE]
Free PMC Article

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