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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

HLA class II alleles, genotypes, haplotypes, and amino acids in primary biliary cirrhosis: a large-scale study.

Twin and family studies suggest there is a significant genetic component to primary biliary cirrhosis ( PBC). However, the inability to replicate reported associations has been a recurring problem, with the only consistently reported genetic association that between PBC and HLA-DRB1*0801. However, recently even this has been questioned, and a number of novel associations have also been reported. We reinvestigated HLA class II DRB1, DQA1, and DQB1 alleles and haplotypes in a total of 492 well-characterized PBC patients, 412 from the United Kingdom and an additional 80 patients from northern Italy. There was a clear and significant association with HLA-DRB1*0801 in both groups of patients compared to population-specific healthy controls (12% versus 4% in the UK patients, P=.00087, OR=3.05; and 18% versus 6% in the Italian patients, P=.021, OR=3.15). There were also significant protective associations with DRB1*11 in the Italian patients (28% versus 47%, P=.0071, OR=0.42), but not in the UK patients (8% versus 8%) and a protective association with DRB1*13 in both series (14% versus 20%, P=.042, OR=0.65 in the UK patients; and 10% versus 31%, P=.00092, OR=0.25 in the Italian patients). In conclusion, a complex relationship exists between HLA and PBC, and some genetic associations may be population specific.[1]


  1. HLA class II alleles, genotypes, haplotypes, and amino acids in primary biliary cirrhosis: a large-scale study. Donaldson, P.T., Baragiotta, A., Heneghan, M.A., Floreani, A., Venturi, C., Underhill, J.A., Jones, D.E., James, O.F., Bassendine, M.F. Hepatology (2006) [Pubmed]
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