Rare loss-of-function variants in type I IFN immunity genes are not associated with severe COVID-19
- PMID: 34043590
- PMCID: PMC8279578
- DOI: 10.1172/JCI147834
Rare loss-of-function variants in type I IFN immunity genes are not associated with severe COVID-19
Abstract
A recent report found that rare predicted loss-of-function (pLOF) variants across 13 candidate genes in TLR3- and IRF7-dependent type I IFN pathways explain up to 3.5% of severe COVID-19 cases. We performed whole-exome or whole-genome sequencing of 1,864 COVID-19 cases (713 with severe and 1,151 with mild disease) and 15,033 ancestry-matched population controls across 4 independent COVID-19 biobanks. We tested whether rare pLOF variants in these 13 genes were associated with severe COVID-19. We identified only 1 rare pLOF mutation across these genes among 713 cases with severe COVID-19 and observed no enrichment of pLOFs in severe cases compared to population controls or mild COVID-19 cases. We found no evidence of association of rare LOF variants in the 13 candidate genes with severe COVID-19 outcomes.
Keywords: Genetic variation; Genetics; Infectious disease.
Conflict of interest statement
Figures

Update of
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Failure to replicate the association of rare loss-of-function variants in type I IFN immunity genes with severe COVID-19.medRxiv [Preprint]. 2020 Dec 21:2020.12.18.20248226. doi: 10.1101/2020.12.18.20248226. medRxiv. 2020. Update in: J Clin Invest. 2021 Jul 15;131(14):147834. doi: 10.1172/JCI147834. PMID: 33398295 Free PMC article. Updated. Preprint.
Comment in
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Association of rare predicted loss-of-function variants of influenza-related type I IFN genes with critical COVID-19 pneumonia.J Clin Invest. 2021 Aug 2;131(15):e152474. doi: 10.1172/JCI152474. J Clin Invest. 2021. PMID: 34166232 Free PMC article. No abstract available.
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