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Pathway-based analysis of genetic susceptibility to cervical cancer in situ: HLA-DPB1 affects risk in Swedish women
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology. Uppsala University, Science for Life Laboratory, SciLifeLab.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Genomics. Uppsala University, Science for Life Laboratory, SciLifeLab.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Genomics. Uppsala University, Science for Life Laboratory, SciLifeLab.
2011 (English)In: Genes and Immunity, ISSN 1466-4879, E-ISSN 1476-5470, Vol. 12, no 8, 605-614 p.Article in journal (Refereed) Published
Abstract [en]

We have conducted a pathway-based analysis of genome-wide single-nucleotide polymorphism (SNP) data in order to identify genetic susceptibility factors for cervical cancer in situ. Genotypes derived from Affymetrix 500k or 5.0 arrays for 1076 cases and 1426 controls were analyzed for association, and pathways with enriched signals were identified using the SNP ratio test. The most strongly associated KEGG (Kyoto Encyclopedia of Genes and Genomes) pathways were Asthma (empirical P=0.03), Folate biosynthesis (empirical P=0.04) and Graft-versus-host disease (empirical P=0.05). Among the 11 top-ranking pathways were 6 related to the immune response with the common denominator being genes in the major histocompatibility complex (MHC) region on chromosome 6. Further investigation of the MHC revealed a clear effect of HLA-DPB1 polymorphism on disease susceptibility. At a functional level, DPB1 alleles associated with risk and protection differ in key amino-acid residues affecting peptide-binding motifs in the extracellular domains. The results illustrate the value of pathway-based analysis to mine genome-wide data, and point to the importance of the MHC region and specifically the HLA-DPB1 locus for susceptibility to cervical cancer.

Place, publisher, year, edition, pages
2011. Vol. 12, no 8, 605-614 p.
Keyword [en]
cervical cancer, CIN III, genetic risk factors, HLA-DPB1, pathway analysis, GWA
National Category
Medical and Health Sciences
Identifiers
URN: urn:nbn:se:uu:diva-166732DOI: 10.1038/gene.2011.40ISI: 000297928300002OAI: oai:DiVA.org:uu-166732DiVA: diva2:477309
Available from: 2012-01-13 Created: 2012-01-13 Last updated: 2017-12-08Bibliographically approved

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Ivansson, Emma L.Juko-Pecirep, IvanaGyllensten, Ulf B.

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