Linkage and association with the NOS2A locus on chromosome 17q11 in multiple sclerosis.
A large body of research supports a multifactorial cause in multiple sclerosis (MS), with an underlying genetic susceptibility likely acting in concert with undefined environmental exposures. Here, we used a highly efficient multilocus genotyping assay to study single nucleotide polymorphisms representing variation in 34 genes from inflammatory pathways in a well-characterized MS familial data set. Evidence of transmission distortion was present for several polymorphisms. Results for the NOS2A locus (exon 10 C/T, D346D) on chromosome 17q11 remained significant after correction for multiple testing and were reproduced in a second independent African American MS data set. In addition, linkage to a NOS2A promoter region polymorphism, (CCTTT)(n), was present in a third data set of multicase MS families. Our results provide strong evidence for linkage and association to a new candidate disease gene on chromosome 17q11 in MS and suggest that variation within NOS2A or a nearby locus contributes to disease susceptibility.
Duke Scholars
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- Polymorphism, Single Nucleotide
- Nitric Oxide Synthase
- Neurology & Neurosurgery
- Multiple Sclerosis
- Male
- Linkage Disequilibrium
- Humans
- Haplotypes
- HLA-DR2 Antigen
- Genetic Variation
Citation
Published In
DOI
ISSN
Publication Date
Volume
Issue
Start / End Page
Location
Related Subject Headings
- Polymorphism, Single Nucleotide
- Nitric Oxide Synthase
- Neurology & Neurosurgery
- Multiple Sclerosis
- Male
- Linkage Disequilibrium
- Humans
- Haplotypes
- HLA-DR2 Antigen
- Genetic Variation