2022
DOI: 10.1093/hmg/ddac158
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Detailed stratified GWAS analysis for severe COVID-19 in four European populations

Abstract: Given the highly variable clinical phenotype of Coronavirus disease 2019 (COVID-19), a deeper analysis of the host genetic contribution to severe COVID-19 is important to improve our understanding of underlying disease mechanisms. Here, we describe an extended GWAS meta-analysis of a well-characterized cohort of 3255 COVID-19 patients with respiratory failure and 12 488 population controls from Italy, Spain, Norway and Germany/Austria, including stratified analyses based on age, sex and disease severity, as we… Show more

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Cited by 51 publications
(34 citation statements)
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“…Male individuals are also at higher risk than female individuals. As for the main GWAS hits [ 58 , 59 ], we performed an analysis stratified for age and sex for the 15 type I IFN-related loci. The analysis stratified for sex revealed a much stronger association signal in male than in female individuals, as expected given the X-linked recessive mode of inheritance of TLR7 deficiency (Additional file 2 : Table S10).…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…Male individuals are also at higher risk than female individuals. As for the main GWAS hits [ 58 , 59 ], we performed an analysis stratified for age and sex for the 15 type I IFN-related loci. The analysis stratified for sex revealed a much stronger association signal in male than in female individuals, as expected given the X-linked recessive mode of inheritance of TLR7 deficiency (Additional file 2 : Table S10).…”
Section: Resultsmentioning
confidence: 99%
“…In the analysis stratified for age, we assigned the cases to two age groups (under 60 years of age vs. 60 years and over), which we compared with all controls. We used an age cut-off of 60 years, which was close to the median age of the cases, in accordance with the analyses performed in [ 7 , 59 ]. The age stratified analysis revealed a strong impact of age, the genetic effect being restricted to younger cases (OR = 4.65 [2.4–9.0], P = 2.2 × 10 −9 , Additional file 2 : Table S10).…”
Section: Resultsmentioning
confidence: 99%
“…The male gender is a risk factor in critical COVID-19 and a link between genetic variants of the Y chromosome and severe COVID-19 has been reported [ 46 , 47 ]. However, a recent larger investigation, in which haplogroups on the Y chromosome were defined based on the analysis of SNP arrays, showed no significant association between COVID-19 and the Y-haplogroups [ 48 ]. Thus, the impact of Y-haplogroups on male immunity and its role in COVID-19 severity remains an open question and further studies are needed.…”
Section: Discussionmentioning
confidence: 99%
“…This region includes a well-known pleiotropic inversion polymorphism that is positively selected in Europeans ( 102 ). Intriguingly, this locus has been associated with many traits related to lung function such as chronic obstructive pulmonary disease ( 103 ), response to inhaled corticosteroids in asthma ( 104 ) and, more recently, to severe forms of coronavirus infection (COVID-19) ( 41 ). AKAP13 , was later recognized as another IPF risk gene, therefore the profibrotic signaling pathway represents another potential target in IPF ( 93 ) ( Table 1 ).…”
Section: Genetics Of Ipfmentioning
confidence: 99%