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Polymorphisms in the GluR2 gene are not associated with amyotrophic lateral sclerosis
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2012 (English)In: Neurobiology of Aging, ISSN 0197-4580, E-ISSN 1558-1497, Vol. 33, no 2, 418-420 p.Article in journal (Refereed) Published
Abstract [en]

Excitotoxicity is thought to play a pathogenic role in amyotrophic lateral sclerosis (ALS). Excitotoxic motor neuron death is mediated through the Ca(2+)-permeable alpha-amino-3-hydroxy-5-methyl-4-isoxazole propionic acid (AMPA)-type of glutamate receptors and Ca(2+) permeability is determined by the GluR2 subunit. We investigated whether polymorphisms or mutations in the GluR2 gene (GRIA2) predispose patients to ALS. Upon sequencing 24 patients and 24 controls no nonsynonymous coding variants were observed but 24 polymorphisms were identified, 9 of which were novel. In a screening set of 310 Belgian ALS cases and 794 healthy controls and a replication set of 3157 cases and 5397 controls from 6 additional populations no association with susceptibility, age at onset, or disease duration was observed. We conclude that polymorphisms in the GluR2 gene (GRIA2) are not a major contributory factor in the pathogenesis of ALS.

Place, publisher, year, edition, pages
2012. Vol. 33, no 2, 418-420 p.
Keyword [en]
Amyotrophic lateral sclerosis; Excitotoxicity; GluR2; Motor neuron
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URN: urn:nbn:se:umu:diva-42253DOI: 10.1016/j.neurobiolaging.2010.03.007ISI: 000298171800021PubMedID: 20409611OAI: diva2:408988
Available from: 2011-04-06 Created: 2011-04-06 Last updated: 2012-04-27Bibliographically approved

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Birve, AnnaAndersen, Peter M
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Clinical Neuroscience
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