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J Neuroimmunol. 2011 Oct 28;239(1-2):101-4. doi: 10.1016/j.jneuroim.2011.08.004. Epub 2011 Sep 1.

IL28B polymorphisms are not associated with the response to interferon-β in multiple sclerosis.

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Centre d'Esclerosi Múltiple de Catalunya, CEM-Cat, Unitat de Neuroimmunologia Clínica, Hospital Universitari Vall d'Hebron, Passeig Vall d'Hebron 119-129, Barcelona, Spain.


Recent studies have revealed an association between interleukin 28B (IL28B) and response to IFN-alpha treatment in hepatitis C patients. Here we investigated the influence of IL28B polymorphisms in the response to interferon-beta (IFNβ) in multiple sclerosis (MS) patients. We genotyped two SNPs of the IL28B gene (rs8099917 and rs12979860) in 588 MS patients classified into responders (n=281) and non-responders (n=307) to IFNβ. Combined analysis of the study cohorts showed no significant associations between SNPs rs8099917 and rs12979860 and the response to treatment. These findings do not support a role of IL28B polymorphisms in the response to IFNβ in MS patients.

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