Pervasive Sharing of Genetic Effects in Autoimmune Disease

Chris Cotsapas*, Benjamin F. Voight, Elizabeth Rossin, Kasper Lage, Benjamin M. Neale, Chris Wallace, Goncalo R. Abecasis, Jeffrey C. Barrett, Timothy Behrens, Judy Cho, Philip L. De Jager, James T. Elder, Robert R. Graham, Peter Gregersen, Lars Klareskog, Katherine A. Siminovitch, David A. van Heel, Cisca Wijmenga, Jane Worthington, John A. ToddDavid A. Hafler, Stephen S. Rich, Mark J. Daly, FOCiS Network Consortia

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

436 Citations (Scopus)
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Abstract

Genome-wide association (GWA) studies have identified numerous, replicable, genetic associations between common single nucleotide polymorphisms (SNPs) and risk of common autoimmune and inflammatory (immune-mediated) diseases, some of which are shared between two diseases. Along with epidemiological and clinical evidence, this suggests that some genetic risk factors may be shared across diseases-as is the case with alleles in the Major Histocompatibility Locus. In this work we evaluate the extent of this sharing for 107 immune disease-risk SNPs in seven diseases: celiac disease, Crohn's disease, multiple sclerosis, psoriasis, rheumatoid arthritis, systemic lupus erythematosus, and type 1 diabetes. We have developed a novel statistic for Cross Phenotype Meta-Analysis (CPMA) which detects association of a SNP to multiple, but not necessarily all, phenotypes. With it, we find evidence that 47/107 (44%) immune-mediated disease risk SNPs are associated to multiple-but not all-immune-mediated diseases (SNP-wise P(CPMA)

Original languageEnglish
Article number1002254
Number of pages8
JournalPLoS genetics
Volume7
Issue number8
DOIs
Publication statusPublished - 10-Aug-2011

Keywords

  • GENOME-WIDE ASSOCIATION
  • SYSTEMIC-LUPUS-ERYTHEMATOSUS
  • RHEUMATOID-ARTHRITIS
  • CELIAC-DISEASE
  • SUSCEPTIBILITY LOCI
  • RISK LOCI
  • VARIANTS
  • METAANALYSIS
  • REPLICATION
  • ALLELE

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