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Ann Neurol. 2010 Feb;67(2):261-5. doi: 10.1002/ana.21849.

Human leukocyte antigen-DR15, low infant sibling exposure and multiple sclerosis: gene-environment interaction.

Author information

1
Menzies Research Institute, University of Tasmania, Hobart, Tasmania, Australia. ingrid.vandermei@utas.edu.au

Abstract

The risk for development of multiple sclerosis has been associated with human leukocyte antigen-DRB1*1501-DQB1*0602 (HLA-DR15) genotype, low infant sibling exposure, and high Epstein-Barr nuclear antigen IgG levels. In a population-based case-control study (Tasmania, Australia), we found that the combined effect of HLA-DR15 positivity and low infant sibling exposure on multiple sclerosis (odds ratio, 7.88; 95% confidence interval, 3.43-18.11) was 3.9-fold greater than expected (test for interaction, p = 0.019) This interaction was observed irrespective of Epstein-Barr nuclear antigen IgG levels. This suggests that immune mechanisms involving HLA class II molecules are susceptible to modulation in early life. Ann Neurol 2009;66:261-265 ANN NEUROL 2010;67:259-263.

PMID:
20225292
DOI:
10.1002/ana.21849
[Indexed for MEDLINE]

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