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          Institute: MPI für molekulare Genetik     Collection: Department of Computational Molecular Biology     Display Documents



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ID: 536303.0, MPI für molekulare Genetik / Department of Computational Molecular Biology
A trans-acting locus regulates an anti-viral expression network and type 1 diabetes risk
Authors:Heinig, M.; Petretto, E.; Wallace, C.; Bottolo, L.; Rotival, M.; Lu, H.; Li, Y.; Sarwar, R.; Langley, S. R.; Bauerfeind, A.; Hummel, O.; Lee, Y. A.; Paskas, S.; Rintisch, C.; Saar, K.; Cooper, J.; Buchan, R.; Gray, E. E.; Cyster, J. G.; Erdmann, J.; Hengstenberg, C.; Maouche, S.; Ouwehand, W. H.; Rice, C. M.; Samani, N. J.; Schunkert, H.; Goodall, A. H.; Schulz, H.; Roider, H. G.; Vingron, M.; Blankenberg, S.; Munzel, T.; Zeller, T.; Szymczak, S.; Ziegler, A.; Tiret, L.; Smyth, D. J.; Pravenec, M.; Aitman, T. J.; Cambien, F.; Clayton, D.; Todd, J. A.; Hubner, N.; Cook, S. A.
Language:English
Date of Publication (YYYY-MM-DD):2010-09-23
Title of Journal:Nature
Volume:467
Issue / Number:7314
Start Page:460
End Page:464
Copyright:© 2010 Macmillan Publishers Limited.
Review Status:not specified
Audience:Not Specified
Abstract / Description:Combined analyses of gene networks and DNA sequence variation can provide new insights into the aetiology of common diseases that may not be apparent from genome-wide association studies alone. Recent advances in rat genomics are facilitating systems-genetics approaches. Here we report the use of integrated genome-wide approaches across seven rat tissues to identify gene networks and the loci underlying their regulation. We defined an interferon regulatory factor 7 (IRF7)-driven inflammatory network (IDIN) enriched for viral response genes, which represents a molecular biomarker for macrophages and which was regulated in multiple tissues by a locus on rat chromosome 15q25. We show that Epstein-Barr virus induced gene 2 (Ebi2, also known as Gpr183), which lies at this locus and controls B lymphocyte migration, is expressed in macrophages and regulates the IDIN. The human orthologous locus on chromosome 13q32 controlled the human equivalent of the IDIN, which was conserved in monocytes. IDIN genes were more likely to associate with susceptibility to type 1 diabetes (T1D)-a macrophage-associated autoimmune disease-than randomly selected immune response genes (P = 8.85 x 10(-6)). The human locus controlling the IDIN was associated with the risk of T1D at single nucleotide polymorphism rs9585056 (P = 7.0 x 10(-10); odds ratio, 1.15), which was one of five single nucleotide polymorphisms in this region associated with EBI2 (GPR183) expression. These data implicate IRF7 network genes and their regulatory locus in the pathogenesis of T1D.
Free Keywords:Animals; Base Sequence; Chromosomes, Human, Pair 13/genetics; Chromosomes, Mammalian/genetics; Diabetes Mellitus, Type 1/*genetics/immunology; Gene Regulatory Networks/genetics; Genetic Loci/*genetics; Genetic Predisposition to Disease/*genetics; Genome-Wide Association Study; Humans; Immunity, Innate/*genetics; Inflammation/genetics/immunology; Interferon Regulatory Factor-7/immunology; Macrophages/immunology/metabolism; Organ Specificity; Polymorphism, Single Nucleotide/genetics; Quantitative Trait Loci/genetics; Rats; Receptors, G-Protein-Coupled/genetics/metabolism; Viruses/*immunology
External Publication Status:published
Document Type:Article
Communicated by:Martin Vingron
Affiliations:MPI für molekulare Genetik
Identifiers:ISSN:1476-4687 (Electronic) 0028-0836 (Linking) %R natu... [ID No:1]
URL:http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=... [ID No:2]
DOI:10.1038/nature09386 [ID No:3]
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