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Published on: March 24, 2015
HLA class I and II alleles and response to treatment with interferon-beta in relapsing-remitting multiple sclerosis
M Comabella1, M Fernández-Arquero, J Río
1Centre d'Esclerosi Múltiple de Catalunya, CEM-Cat, Unitat de Neuroimmunologia Clínica, Hospital Universitari Vall d'Hebron, Departament de Medicina, Universitat Autonoma de Barcelona [corrected] Barcelona, Spain. mcomabel@ir.vhebron.net
Abstract:
In the present study, we investigated the influence of HLA class I and class II genes in the response to interferon-beta (IFNbeta) in multiple sclerosis (MS) patients. HLA-A, -B, -C, -DRB1, -DQA1, and -DQB1 DNA typing was performed by polymerase chain reaction-sequence-specific oligonucleotide (PCR-SSO) in a cohort of 149 relapsing-remitting MS patients classified into IFNbeta responders (n=74) and non-responders (n=75) based on stringent clinical criteria. Distribution of HLA class I and class II alleles individually and the HLA-DR2 haplotype was similar between responders and non-responders to treatment. These findings do not support a role of the HLA class I and class II genes as modifiers of the response to IFNbeta.
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