Abstract
Primary sclerosing cholangitis (PSC) is a severe liver disease of unknown etiology leading to fibrotic destruction of the bile ducts and ultimately to the need for liver transplantation. We compared 3,789 PSC cases of European ancestry to 25,079 population controls across 130,422 SNPs genotyped using the Immunochip. We identified 12 genome-wide significant associations outside the human leukocyte antigen (HLA) complex, 9 of which were new, increasing the number of known PSC risk loci to 16. Despite comorbidity with inflammatory bowel disease (IBD) in 72% of the cases, 6 of the 12 loci showed significantly stronger association with PSC than with IBD, suggesting overlapping yet distinct genetic architectures for these two diseases. We incorporated association statistics from 7 diseases clinically occurring with PSC in the analysis and found suggestive evidence for 33 additional pleiotropic PSC risk loci. Together with network analyses, these findings add to the genetic risk map of PSC and expand on the relationship between PSC and other immune-mediated diseases.
| Original language | English |
|---|---|
| Journal | Nature Genetics |
| Volume | 45 |
| Issue number | 6 |
| Pages (from-to) | 670-675 |
| Number of pages | 6 |
| ISSN | 1061-4036 |
| DOIs | |
| Publication status | Published - 06.2013 |
Funding
The study was supported by The Norwegian PSC Research Center (see URLs), by the German Ministry of Education and Research through the National Genome Research Network (01GS0809-GP7), by the Deutsche Forschungsgemeinschaft (FR 2821/2-1), by the EU Seventh Framework Programme FP7/2007-2013 (262055) ESGI, by the Integrated Research and Treatment Center–Transplantation (01EO0802) and by the PopGen Biobank (see URLs). J.Z.L., T.S. and C.A.A. are supported by a grant from the Wellcome Trust (098051). Additional financial support of the study and the coauthors is listed in the Supplementary Note.
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 3 Good Health and Well-being
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