Multi-ancestry meta-analysis of host genetic susceptibility to tuberculosis identifies shared genetic architecture. Schurz, H., Naranbhai, V., Yates, T. A., Gilchrist, J. J., Parks, T., Dodd, P. J., Möller, M., Hoal, E. G., Morris, A. P., Hill, A. V. S., & International Tuberculosis Host Genetics Consortium eLife, 13:e84394, January, 2024. doi abstract bibtex The heritability of susceptibility to tuberculosis (TB) disease has been well recognized. Over 100 genes have been studied as candidates for TB susceptibility, and several variants were identified by genome-wide association studies (GWAS), but few replicate. We established the International Tuberculosis Host Genetics Consortium to perform a multi-ancestry meta-analysis of GWAS, including 14,153 cases and 19,536 controls of African, Asian, and European ancestry. Our analyses demonstrate a substantial degree of heritability (pooled polygenic h2 = 26.3%, 95% CI 23.7-29.0%) for susceptibility to TB that is shared across ancestries, highlighting an important host genetic influence on disease. We identified one global host genetic correlate for TB at genome-wide significance (p\textless5 × 10-8) in the human leukocyte antigen (HLA)-II region (rs28383206, p-value=5.2 × 10-9) but failed to replicate variants previously associated with TB susceptibility. These data demonstrate the complex shared genetic architecture of susceptibility to TB and the importance of large-scale GWAS analysis across multiple ancestries experiencing different levels of infection pressure.
@article{schurz_multi-ancestry_2024,
title = {Multi-ancestry meta-analysis of host genetic susceptibility to tuberculosis identifies shared genetic architecture},
volume = {13},
issn = {2050-084X},
doi = {10.7554/eLife.84394},
abstract = {The heritability of susceptibility to tuberculosis (TB) disease has been well recognized. Over 100 genes have been studied as candidates for TB susceptibility, and several variants were identified by genome-wide association studies (GWAS), but few replicate. We established the International Tuberculosis Host Genetics Consortium to perform a multi-ancestry meta-analysis of GWAS, including 14,153 cases and 19,536 controls of African, Asian, and European ancestry. Our analyses demonstrate a substantial degree of heritability (pooled polygenic h2 = 26.3\%, 95\% CI 23.7-29.0\%) for susceptibility to TB that is shared across ancestries, highlighting an important host genetic influence on disease. We identified one global host genetic correlate for TB at genome-wide significance (p{\textless}5 × 10-8) in the human leukocyte antigen (HLA)-II region (rs28383206, p-value=5.2 × 10-9) but failed to replicate variants previously associated with TB susceptibility. These data demonstrate the complex shared genetic architecture of susceptibility to TB and the importance of large-scale GWAS analysis across multiple ancestries experiencing different levels of infection pressure.},
language = {eng},
journal = {eLife},
author = {Schurz, Haiko and Naranbhai, Vivek and Yates, Tom A. and Gilchrist, James J. and Parks, Tom and Dodd, Peter J. and Möller, Marlo and Hoal, Eileen G. and Morris, Andrew P. and Hill, Adrian V. S. and {International Tuberculosis Host Genetics Consortium}},
month = jan,
year = {2024},
pmid = {38224499},
pmcid = {PMC10789494},
keywords = {GWAS, HLA, genetics, genomics, human, meta-analysis, multi-ancestry, tuberculosis},
pages = {e84394},
}
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We established the International Tuberculosis Host Genetics Consortium to perform a multi-ancestry meta-analysis of GWAS, including 14,153 cases and 19,536 controls of African, Asian, and European ancestry. Our analyses demonstrate a substantial degree of heritability (pooled polygenic h2 = 26.3%, 95% CI 23.7-29.0%) for susceptibility to TB that is shared across ancestries, highlighting an important host genetic influence on disease. We identified one global host genetic correlate for TB at genome-wide significance (p\\textless5 × 10-8) in the human leukocyte antigen (HLA)-II region (rs28383206, p-value=5.2 × 10-9) but failed to replicate variants previously associated with TB susceptibility. 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