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Springer Nature [academic journals on nature.com], European Journal of Human Genetics, 11(11), p. 828-834, 2003

DOI: 10.1038/sj.ejhg.5201051

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Meta and pooled analysis of European coeliac disease data

This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

Four full genome scans have been carried out by the partners of the European cluster on coeliac disease as well as follow-up studies of candidate regions. No region outside HLA showed significant linkage to the disease in any single study. We first applied a meta-analysis based on a modification of Genome Screen Meta-Analysis to take into account the different linkage statistics, the arbitrariness of bin cutoff points, as well as the sample size of each study. We then performed a pooled linkage analysis of all families and raw genotypes. Besides the HLA region, already known to harbour a risk factor for coeliac disease, both approaches leave very little doubt on the presence of a genetic risk factor in the 5q31-33 region. This region was suggested by several individual studies, but did not reach statistical values high enough to be conclusive when data sets were analysed separately.