Abstract
BackgroundThe HLA-DRB*1501 haplotype influences the risk of developing multiple sclerosis (MS), but it is not known how it affects grey matter pathology. AimTo assess HLA-DRB*1501 effects on magnetic resonance imaging (MRI) cortical grey matter pathology. MethodsWhole and lesional cortical grey matter volumes, lesional and normal-appearing grey matter magnetization transfer ratio were measured in 85 people with MS and 36 healthy control subjects. HLA-DRB*1501 haplotype was determined by genotyping (rs3135388). ResultsNo significant differences were observed in MRI measures between the HLA-DRB*1501 subgroups. ConclusionsThe HLA-DRB*1501 haplotype is not strongly associated with MRI-visible grey matter pathology.
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