Polymorphism in NOD2, Crohn's disease, and susceptibility to pulmonary tuberculosis |
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| Authors: | Stockton Jemima C Howson Joanna M M Awomoyi Agnes A McAdam Keith P Blackwell Jenefer M Newport Melanie J |
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| Institution: | Department of Medicine, University of Cambridge School of Clinical Medicine, Wellcome Trust/MRC Building, Addenbrooke's Hospital, Hills Road, Cambridge CB2 2XY, UK. |
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| Abstract: | The nucleotide oligomerization binding domain 2 gene (NOD2) encodes an intracellular receptor for bacterial components, which is expressed in monocytes and is associated with Crohn's Disease (CD). This finding, along with epidemiological evidence, supports a role for infection in the pathogenesis of CD. Speculation that mycobacteria are involved in CD led us to investigate NOD2 in susceptibility to tuberculosis (TB), a global public health problem caused by Mycobacterium tuberculosis. CD-associated NOD2 variants were absent in a case-control study of 640 Gambians, where CD is rare. Novel NOD2 promoter polymorphisms were identified but showed no association with TB in this African population sample. |
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| Keywords: | Tuberculosis Crohn's Disease Genetic susceptibility NOD2 Gambia |
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