Extended major histocompatibility complex haplotypes in patients with multiple sclerosis
- PMID: 2783768
- DOI: 10.1212/wnl.39.2.275
Extended major histocompatibility complex haplotypes in patients with multiple sclerosis
Abstract
We derived complete haplotypes of the major histocompatibility complex for 33 patients with MS and their families. The DR2 allele and DR2-bearing extended haplotypes, in proportion, were overrepresented on chromosomes of MS patients compared with parental chromosomes not transmitted to MS offspring. We did not confirm previous reports that particular alleles at the BF locus are overrepresented in MS or that C2 hypocomplementemia is present. These results suggest that the DR2 allele is a risk factor for MS, and not merely a genetic marker of the population of origin.
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