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Host-mediated lung inflammation is present1, and drives mortality2, in the critical illness caused by coronavirus disease 2019 (COVID-19). Host genetic variants associated with critical illness may identify mechanistic targets for therapeutic development3. Here we report the results of the GenOMICC (Genetics Of Mortality In Critical Care) genome-wide association study in 2,244 critically ill patients with COVID-19 from 208 UK intensive care units. We have identified and replicated the following new genome-wide significant associations: on chromosome 12q24.13 (rs10735079, P = 1.65 × 10-8) in a gene cluster that encodes antiviral restriction enzyme activators (OAS1, OAS2 and OAS3); on chromosome 19p13.2 (rs74956615, P = 2.3 × 10-8) near the gene that encodes tyrosine kinase 2 (TYK2); on chromosome 19p13.3 (rs2109069, P = 3.98 × 10-12) within the gene that encodes dipeptidyl peptidase 9 (DPP9); and on chromosome 21q22.1 (rs2236757, P = 4.99 × 10-8) in the interferon receptor gene IFNAR2. We identified potential targets for repurposing of licensed medications: using Mendelian randomization, we found evidence that low expression of IFNAR2, or high expression of TYK2, are associated with life-threatening disease; and transcriptome-wide association in lung tissue revealed that high expression of the monocyte-macrophage chemotactic receptor CCR2 is associated with severe COVID-19. Our results identify robust genetic signals relating to key host antiviral defence mechanisms and mediators of inflammatory organ damage in COVID-19. Both mechanisms may be amenable to targeted treatment with existing drugs. However, large-scale randomized clinical trials will be essential before any change to clinical practice.
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Male, 2',5'-Oligoadenylate Synthetase/genetics, Chromosomes, Human, Pair 21, Pair 19/genetics, Receptor, Interferon alpha-beta, Genome-wide association studies, 23andMe Investigators, Interferon alpha-beta, Inflammation/genetics, Receptors, 2',5'-Oligoadenylate Synthetase, Receptors, CCR2/genetics, Pair 12, Receptor, Interferon alpha-beta/genetics, genetics, CCR2/genetics, Lung, 2'; 5'-Oligoadenylate Synthetase; COVID-19; Chromosomes; Human; Pair 12; Chromosomes; Human; Pair 19; Chromosomes; Human; Pair 21; Critical Care; Dipeptidyl-Peptidases and Tripeptidyl-Peptidases; Drug Repositioning; Female; Genome-Wide Association Study; Humans; Inflammation; Lung; Male; Multigene Family; Receptor; Interferon alpha-beta; Receptors; CCR2; TYK2 Kinase; United Kingdom; Critical Illness, BRACOVID Investigators, Pair 12/genetics, Multidisciplinary, Chromosomes, Human, Pair 21/genetics, Multigene Family/genetics, GenOMICC Investigators, COVID-19/genetics, covid-19, Multigene Family, Female, Dipeptidyl-Peptidases and Tripeptidyl-Peptidase, 5'-Oligoadenylate Synthetase, Human, Receptor, Critical Care, General Science & Technology, Receptors, CCR2, Critical Illness, Genome-wide association studiesm, Lung/pathology, 610, Chromosomes, Human, Pair 19/genetics, 5'-Oligoadenylate Synthetase/genetics, Chromosomes, 616, Immunogenetics, critical illness, Humans, Dipeptidyl-Peptidases and Tripeptidyl-Peptidases, Gen-COVID Investigators, Dipeptidyl-Peptidases and Tripeptidyl-Peptidases/genetics, TYK2 Kinase/genetics, Inflammation, TYK2 Kinase, Chromosomes, Human, Pair 12/genetics, Chromosomes, Human, Pair 12, Pair 19, Interferon alpha-beta/genetics, SARS-CoV-2, covid 19, Drug Repositioning, COVID-19, Pair 21/genetics, United Kingdom, COVID-19 Human Genetics Initiative, Viral infection, 2',5'-Oligoadenylate Synthetase; COVID-19; Chromosomes, Human, Pair 12; Chromosomes, Human, Pair 19; Chromosomes, Human, Pair 21; Critical Care; Dipeptidyl-Peptidases and Tripeptidyl-Peptidases; Drug Repositioning; Female; Genome-Wide Association Study; Humans; Inflammation; Lung; Male; Multigene Family; Receptor, Interferon alpha-beta; Receptors, CCR2; TYK2 Kinase; United Kingdom; Critical Illness, ISARICC Investigators, CCR2, Pair 21, 2', Chromosomes, Human, Pair 19, Genome-Wide Association Study
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