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Neurobiol Aging. 2012 Aug;33(8):1845.e1-3. doi: 10.1016/j.neurobiolaging.2012.01.007. Epub 2012 Feb 11.

Rare and common paraoxonase gene variants in amyotrophic lateral sclerosis patients.

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1
Department of Neurology, Rudolf Magnus Institute of Neuroscience, University Medical Center Utrecht, Utrecht, The Netherlands.

Abstract

Polymorphisms in the paraoxonase family (PON) have been reported in patients with amyotrophic lateral sclerosis (ALS), but a recent meta-analysis did not show a clear association. Recently, PON mutations have also been identified in ALS patients. In this study, we assessed the frequency of PON variants in 1118 sporadic ALS patients, 93 familial ALS patients, and 1240 control subjects of Dutch descent. We identified PON mutations in 1.4% of sporadic ALS patients, 2.1% of familial ALS patients, and 2.5% of control subjects. There were no significant differences in mutational burden for rare variants or in allele frequencies of polymorphisms between patients and control subjects. Thus, this study does not support the premise that mutations or polymorphisms in PON contribute to ALS susceptibility.

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