Genome-wide association analyses identifies a susceptibility locus for tuberculosis on chromosome 18q11.2.

Thorsten Thye; Fredrik O Vannberg; Sunny H Wong; Ellis Owusu-Dabo; Ivy Osei; John Gyapong; Giorgio Sirugo; Fatou Sisay-Joof; Anthony Enimil; Margaret A Chinbuah; +23 more... Sian Floyd ORCID logo; David K Warndorff; Lifted Sichali; Simon Malema; Amelia C Crampin ORCID logo; Bagrey Ngwira; Yik Y Teo; Kerrin Small; Kirk Rockett; Dominic Kwiatkowski; Paul E Fine; Philip C Hill; Melanie Newport; Christian Lienhardt; Richard A Adegbola; Tumani Corrah; Andreas Ziegler; African TB Genetics Consortium; Wellcome Trust Case Control Consortium; Andrew P Morris; Christian G Meyer; Rolf D Horstmann; Adrian VS Hill; (2010) Genome-wide association analyses identifies a susceptibility locus for tuberculosis on chromosome 18q11.2. Nature genetics, 42 (9). pp. 739-741. ISSN 1061-4036 DOI: 10.1038/ng.639
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We combined two tuberculosis genome-wide association studies from Ghana and The Gambia with subsequent replication in a combined 11,425 individuals. rs4331426, located in a gene-poor region on chromosome 18q11.2, was associated with disease (combined P = 6.8 x 10(-9), odds ratio = 1.19, 95% CI = 1.13-1.27). Our study demonstrates that genome-wide association studies can identify new susceptibility loci for infectious diseases, even in African populations, in which levels of linkage disequilibrium are particularly low.


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