Cited by 450Systemic Lupus Erythematosus ResearchGenetic Associations and EpidemiologyRNA Research and Splicing

Three functional variants of IFN regulatory factor 5 ( IRF5 ) define risk and protective haplotypes for human lupus

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Graham, Robert R., Kyogoku, Chieko, Sigurdsson, Snaevar, Vlasova, Irina A., Davies, Leela R. L., Baechler, Emily C., Plenge, Robert M., Koeuth, Thearith +22 more·2007·Proceedings of the National Academy of Sciences

Abstract

Systematic genome-wide studies to map genomic regions associated with human diseases are becoming more practical. Increasingly, efforts will be focused on the identification of the specific functional variants responsible for the disease. The challenges of identifying causal variants include the need for complete ascertainment of genetic variants and the need to consider the possibility of multiple causal alleles. We recently reported that risk of systemic lupus erythematosus (SLE) is strongly associated with a common SNP in IFN regulatory factor 5 ( IRF5 ), and that this variant altered spicing in a way that might provide a functional explanation for the reproducible association to SLE risk. Here, by resequencing and genotyping in patients with SLE, we find evidence for three functional alleles of IRF5 : the previously described exon 1B splice site variant, a 30-bp in-frame insertion/deletion variant of exon 6 that alters a proline-, glutamic acid-, serine- and threonine-rich domain region, and a variant in a conserved polyA+ signal sequence that alters the length of the 3′ UTR and stability of IRF5 mRNAs. Haplotypes of these three variants define at least three distinct levels of risk to SLE. Understanding how combinations of variants influence IRF5 function may offer etiological and therapeutic insights in SLE; more generally, IRF5 and SLE illustrates how multiple common variants of the same gene can together influence risk of common disease.

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  1. [11]Rhodes DA, Trowsdale J. Rev Immunogenet. 1999;1:21–31. [PubMed] [Google Scholar]
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Authors
Graham, R. R., Kyogoku, C., Sigurdsson, S., Vlasova, I. A., Davies, L. R. L., Baechler, E. C., Plenge, R. M., Koeuth, T., Ortmann, W. A., Hom, G., Bauer, J. W., Gillett, C., Burtt, N., Cunninghame Graham, D. S., Onofrio, R., Petri, M., Gunnarsson, I., Svenungsson, E., Rönnblom, L., Nordmark, G., Gregersen, P. K., Moser, K., Gaffney, P. M., Criswell, L. A., Vyse, T. J., Syvänen, A.-C., Bohjanen, P. R., Daly, M. J., Behrens, T. W., & Altshuler, D.
Affiliations
  • Broad Institute (US)
  • University of Minnesota (US)
  • Molecular Medicine, Department of Medical Sciences, Uppsala University, SE-751 Uppsala, Sweden;
  • Center for Immunology, University of Minnesota Medical School, Minneapolis, MN 55455;
  • Program in Medical and Population Genetics, Broad Institute of Harvard and Massachusetts Institute of Technology, Cambridge, MA 02142;
  • Rheumatology Section, Imperial College, Hammersmith Hospital, London W12 0NN, United Kingdom;
  • Johns Hopkins University (US)
  • Karolinska University Hospital (SE)
  • Uppsala University (SE)
  • Northwell Health (US)
  • University of California, San Francisco (US)
  • Hammersmith Hospital (GB)
Venue
Proceedings of the National Academy of Sciences
Published
2007-04-17
Volume
104
Issue
16
Pages
6758-6763
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2026255377
Cited by
450
References
33
Citations by year
2026: 8 · 2025: 13 · 2024: 13 · 2023: 13 · 2022: 11 · 2021: 20 · 2020: 10 · 2019: 19 · 2018: 19 · 2017: 11 · 2016: 17 · 2015: 16 · 2014: 16 · 2013: 30 · 2012: 33
FWCI
38.00
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Research Portal (King's College London) (submittedVersion)
Funders
  • National Institutes of Health (5m01rr000079-42)
  • National Institute of Allergy and Infectious Diseases (R56AI057484, R01AI049494, K02AI052170)
  • National Institute of Arthritis and Musculoskeletal and Skin Diseases (AR43727, R01AR043727)
  • National Center for Research Resources (M01 RR-00052, 5M01-RR00079, M01-RR000079, M01RR000052)
Topics
  • Health Sciences › Medicine › Rheumatology › Systemic Lupus Erythematosus Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Associations and Epidemiology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Research and Splicing
Keywords
IRF5, systemic lupus erythematosus, single nucleotide polymorphisms, haplotypes, 3' untranslated region, mRNA stability, genetic risk variants
MeSH terms
Cell Line, Transformed, Gene Expression Regulation, Haplotypes, Humans, Lupus Erythematosus, Systemic, Risk Factors, Genetic Variation, Case-Control Studies, Genetic Predisposition to Disease, Protein Isoforms, Interferon Regulatory Factors

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