Genetic polymorphisms of superoxide dismutase in Parkinson's disease
Identifieur interne : 006C75 ( Main/Merge ); précédent : 006C74; suivant : 006C76Genetic polymorphisms of superoxide dismutase in Parkinson's disease
Auteurs : Federico M. Farin [États-Unis] ; Yolanda Hitosis [États-Unis] ; Sarah E. Hallagan [États-Unis] ; John Kushleika [États-Unis] ; James S. Woods [États-Unis] ; Patricia S. Janssen [États-Unis] ; Terri Smith-Weller [États-Unis] ; Gary M. Franklin [États-Unis] ; Phillip D. Swanson [États-Unis] ; Harvey Checkoway [États-Unis]Source :
- Movement Disorders [ 0885-3185 ] ; 2001-07.
English descriptors
Abstract
Oxidative stress reactions may contribute to the pathogenesis of Parkinson's disease (PD). The superoxide dismutases potentially play significant roles in PD by detoxifying superoxide radical. We developed genomic DNA and cDNA‐based sequencing assays to identify genetic variants in the copper/zinc superoxide dismutase (SOD1) and manganese superoxide dismutase (SOD2) genes. No genetic variants were detected in the gene encoding SOD1 in DNA from 45 idiopathic PD cases and 49 controls from a population‐based case‐control study. However, we identified a previously described polymorphism of the mitochondrial targeting sequence consisting of a C47T in exon 2 of SOD2, which results in an alanine to valine substitution. We analyzed this SOD2 variant in DNA from 155 cases and 231 controls from the same study, using an allele‐specific fluorogenic 5′ nuclease assay, and found no differences in the distributions of allelic frequencies. These results indicate that SOD gene variants do not contribute to PD pathogenesis. © 2001 Movement Disorder Society.
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DOI: 10.1002/mds.1153
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The superoxide dismutases potentially play significant roles in PD by detoxifying superoxide radical. We developed genomic DNA and cDNA‐based sequencing assays to identify genetic variants in the copper/zinc superoxide dismutase (SOD1) and manganese superoxide dismutase (SOD2) genes. No genetic variants were detected in the gene encoding SOD1 in DNA from 45 idiopathic PD cases and 49 controls from a population‐based case‐control study. However, we identified a previously described polymorphism of the mitochondrial targeting sequence consisting of a C47T in exon 2 of SOD2, which results in an alanine to valine substitution. We analyzed this SOD2 variant in DNA from 155 cases and 231 controls from the same study, using an allele‐specific fluorogenic 5′ nuclease assay, and found no differences in the distributions of allelic frequencies. These results indicate that SOD gene variants do not contribute to PD pathogenesis. © 2001 Movement Disorder Society.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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