Parental transmission of HLA-DRB1*15 in multiple sclerosis.
- Ramagopalan, SV
- Herrera, BM
- Bell, JT
- Dyment, DA
- Deluca, GC
- Lincoln, MR
- Orton, SM
- Chao, MJ
- Sadovnick, AD
- Ebers, GC
Publication date
January 2008
DOI Publisher
Springer Science and Business Media LLC Journal
Human GeneticsAbstract
Multiple sclerosis (MS) is a complex trait in which HLA-DRB1*15 bearing MHC haplotypes increase risk of MS in people of Northern European descent. In this investigation of 7,334 individuals from 1,515 MS families, the largest cohort used to study the HLA-DRB1 locus to date, we analysed the transmission of HLA-DRB1*15 haplotypes stratified by sex of transmitting parent. A significant over transmission of HLA-DRB1*15 from mothers was observed (chi (2) = 7.73, P = 0.0054), suggesting that parent of origin effects at the MHC determine susceptibility to MS
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