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HLA-DRB1 allele heterogeneity influences multiple sclerosis severity as well as risk in Western Australia

Wu, J-S, James, I., Qiu, W., Castley, A., Christiansen, F.T., Carroll, W.M., Mastaglia, F.L. and Kermode, A.G. (2010) HLA-DRB1 allele heterogeneity influences multiple sclerosis severity as well as risk in Western Australia. Journal of Neuroimmunology, 219 (1-2). pp. 109-113.

Link to Published Version: http://dx.doi.org/10.1016/j.jneuroim.2009.11.015
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Abstract

Susceptibility to multiple sclerosis (MS) has been consistently associated with the Human Leukocyte Antigen (HLA)-DRB1*1501 genotype, however effects on disease severity and clinical outcome have varied in different populations. We present the results of a high-resolution HLA-DRB1 genotyping and genotype-phenotype correlation study in a large West Australian MS cohort. Our findings indicate that in this population, which is of largely Anglo-Celtic and Northern European origin, HLA-DRB1*1501 is not only a strong determinant of disease risk but may also be associated with disease severity as measured by the Multiple Sclerosis Severity Score (MSSS), with the MSSS increasing by an estimated 0.51 per DRB1*1501 allele. We also found evidence that the HLA-DRB1*1201 allele is associated with less severe disease.

Publication Type: Journal Article
Murdoch Affiliation: Centre for Clinical Immunology and Biomedical Statistics
Publisher: Elsevier
Copyright: © 2009 Elsevier B.V.
URI: http://researchrepository.murdoch.edu.au/id/eprint/16427
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