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PANK2 gene analysis confirms genetic heterogeneity in neurodegeneration with brain iron accumulation (NBIA) but mutations are rare in other types of adult neurodegenerative disease

Matarin, MM; Singleton, AB; Houlden, H; (2006) PANK2 gene analysis confirms genetic heterogeneity in neurodegeneration with brain iron accumulation (NBIA) but mutations are rare in other types of adult neurodegenerative disease. NEUROSCI LETT , 407 (2) 162 - 165. 10.1016/j.neulet.2006.08.030.

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Abstract

Mutations in the pantothenate kinase 2 gene (PANK2) are the cause of pantothenate kinase associated neurodegeneration (PKAN), an autosomal recessive (AR) disorder characterized by motor symptoms as such as dystonia or parkinsonism, mental retardation, retinitis pigmentosa and iron accumulation in the brain. As many neurodegenerative conditions have similar clinical features we screened a number of adult and childhood onset movement disorders for PANK2 mutation. This included cases with neurodegeneration and brain iron accumulation, corticobasal degeneartion, progressive supranuclear palsy (PSP), Parkinson's disease (PD), multiple system atropy, giant axonal neuropathy (GAN), neuroaxonal dystrophy (NAD), Guam dementia and HARP syndrome (pallido-pyramidal syndrome and hypoprebetalipoproteinemia, acanthocytosis, retinitis pigmentosa and pallidal degeneration). From our series of patients one patient with PKAN and a progressive severe dystonic syndrome, cerebellar ataxia, retinitis pigmentosa and eventual anarthria had a novel combination of two compound heterozygote mutations identified in the PANK2 gene, G -> A transition at base 1238 (G411R) and a C -> A transition at base 1184 (A395E). In the patient with HARP syndrome two compound heterozygote mutations (Met327Thr and IVS5-1 G to T) in the PANK2 gene were found. No other mutations were found in any of the other patient groups, suggesting that PANK2 mutations are not associated with the aetiology of these adult degenerative conditions and confirms the genetic heterogeneity in neurodegeneration with brain iron accumulation. (c) 2006 Elsevier Ireland Ltd. All rights reserved.

Type: Article
Title: PANK2 gene analysis confirms genetic heterogeneity in neurodegeneration with brain iron accumulation (NBIA) but mutations are rare in other types of adult neurodegenerative disease
DOI: 10.1016/j.neulet.2006.08.030
Keywords: PANK2, neurodegeneration, PKAN, NBIA, mutation, HALLERVORDEN-SPATZ-SYNDROME, KINASE-ASSOCIATED NEURODEGENERATION, THE-TIGER SIGN, PATIENT
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > UCL Queen Square Institute of Neurology
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > UCL Queen Square Institute of Neurology > Department of Neuromuscular Diseases
URI: http://discovery.ucl.ac.uk/id/eprint/166140
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