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  • Investigation of the [-/A]8 and C1236T genetic variations within the human toll-like receptor 3 gene for the association with multiple sclerosis

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    Author(s)
    Szvetko, Attila
    Jones, Ashleigh
    Mackenzie, Jason
    Tajouri, Lotfi
    Csurhes, Peter A.
    Greer, Judith M.
    Pender, Michael P.
    Griffiths, Lyn
    Griffith University Author(s)
    Tajouri, Lotfi
    Griffiths, Lyn
    Szvetko, Attila L.
    Mackenzie, Jason
    Jones, Ashleigh R.
    Year published
    2010
    Metadata
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    Abstract
    Multiple sclerosis (MS) is a serious cause of neurological disability among young adults. The clinical course remains difficult to predict, and the pathogenesis of the disease is still modestly understood. Autoimmunity is thought to be a key aspect of the disease, with autoreactive T cells thought to mediate central nervous system (CNS) inflammation to some extent. Toll-like receptors are known to mediate cellular recognition of pathogens by way of patterns of molecular presentation. Toll-like receptor 3 is coded by the gene TLR3 and is recognized as an important factor in virus recognition and is known to be involved in the ...
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    Multiple sclerosis (MS) is a serious cause of neurological disability among young adults. The clinical course remains difficult to predict, and the pathogenesis of the disease is still modestly understood. Autoimmunity is thought to be a key aspect of the disease, with autoreactive T cells thought to mediate central nervous system (CNS) inflammation to some extent. Toll-like receptors are known to mediate cellular recognition of pathogens by way of patterns of molecular presentation. Toll-like receptor 3 is coded by the gene TLR3 and is recognized as an important factor in virus recognition and is known to be involved in the expression of neuroprotective mediators. We set out to investigate two variations within the TLR3 gene, an 8 bp insertion-deletion [ -/A]8 and a single base-pair variation C1236T, in subjects with MS and matched healthy controls to determine whether significant differences exist in these markers in an Australian population. We used capillary gel electrophoresis and TaqMan genotyping assay techniques to resolve genotypes for each marker, respectively. Our work found no significant difference between frequencies for TLR3 [ -/A]8 by genotype (x2=1.03, p=0.60) or allele (x2=1.09, p=0.30). Similarly, we found no evidence for the association of TLR3 C1236T by genotype (x2=0.35, p=0.84) or allele frequency (x2=0.31, p=0.58). This work reveals no evidence to suggest that these markers are associated with MS in the tested population. Although the role of TLR3 and the wider toll-like receptor family remain significant in neurological and CNS inflammatory disorders, our current work does not support a role for the two tested variants in this gene with regard to MS susceptibility.
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    Journal Title
    Neurological Research
    Volume
    32
    Issue
    4
    DOI
    https://doi.org/10.1179/174313209X405155
    Copyright Statement
    © 2009 Maney Publishing. The attached file is reproduced here in accordance with the copyright policy of the publisher. Please refer to the journal's website for access to the definitive, published version.
    Subject
    Neurogenetics
    Clinical sciences
    Neurosciences
    Publication URI
    http://hdl.handle.net/10072/30522
    Collection
    • Journal articles

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