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  • Title: FcRL3 and multiple sclerosis pathogenesis: role in autoimmunity?
    Author: Martínez A, Mas A, de Las Heras V, Bartolomé M, Arroyo R, Fernández-Arquero M, de la Concha EG, Urcelay E.
    Journal: J Neuroimmunol; 2007 Sep; 189(1-2):132-6. PubMed ID: 17617473.
    Abstract:
    BACKGROUND AND AIMS: A functional promoter polymorphism in the FcRL3 gene, -169 T/C, has been shown to regulate gene expression and to play a role in several autoimmune diseases. We aimed at testing for the first time whether this gene was involved in multiple sclerosis (MS) pathogenesis. METHODS: Case-control study performed with 400 Spanish MS patients and 508 healthy subjects. Genotyping of -169 T/C and -110 G/A was ascertained by using TaqMan MGB chemistry following manufacturer suggestions (Applied Biosystems, CA, USA). RESULTS: As previously seen for other autoimmune diseases, a significant difference was observed in the distribution of -169 T/C FcRL3 genotypes between MS patients and healthy controls (p = 0.03; chi(2) = 6.99). The -169 T allele, recently associated with increased susceptibility to Addison's disease, showed a parallel effect in MS [(TT+TC) vs. CC: p = 0.013; OR = 1.55 (1.08-2.54)]. CONCLUSIONS: An increased susceptibility associated to the -169 T allele was found when MS patients and controls were compared, supporting the role of the FcRL3 locus in MS predisposition and therefore extending the evidence of its general influence on autoimmunity.
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