Visualizing human leukocyte antigen class II risk haplotypes in human systemic lupus erythematosus

Robert R. Graham, Ward A. Ortmann, Carl D. Langefeld, Damini Jawaheer, Scott A. Selby, Peter R. Rodine, Emily Baechler Gillespie, Kristine E. Rohlf, Katherine B. Shark, Karl J. Espe, Linda E. Green, Rajan P. Nair, Philip E. Stuart, James T. Elder, Richard A. King, Kathy L. Moser, Patrick M. Gaffney, Teodorica L. Bugawan, Henry A. Erlich, Stephen S. RichPeter K. Gregersen, Timothy W. Behrens

Research output: Contribution to journalArticlepeer-review

164 Scopus citations

Abstract

Human leukocyte antigen (HLA) class I and class II alleles are implicated as genetic risk factors for many autoimmune diseases. However, the role of the HLA loci in human systemic lupus erythematosus (SLE) remains unclear. Using a dense map of polymorphic microsatellites across the HLA region in a large collection of families with SLE, we identified three distinct haplotypes that encompassed the class II region and exhibited transmission distortion. DRB1 and DQB1 typing of founders showed that the three haplotypes contained DRB1*1501/DQB1*0602, DRB1*0801/DQB1*0402, and DRB1*0301/DQB1*0201 alleles, respectively. By visualizing ancestral recombinants, we narrowed the disease-associated haplotypes containing DRB1*1501 and DRB1*0801 to an-500-kb region. We conclude that HLA class II haplotypes containing DRB1 and DQB1 alleles are strong risk factors for human SLE.

Original languageEnglish (US)
Pages (from-to)543-553
Number of pages11
JournalAmerican Journal of Human Genetics
Volume71
Issue number3
DOIs
StatePublished - 2002

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