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Higbee, Daniel H; Lirio, Alvin; Hamilton, Fergus; Granell, Raquel; Wyss, Annah B; London, Stephanie J; Bartz, Traci M; Gharib, Sina A; Cho, Michael H; Wan, Emily; Silverman, Edwin; Crapo, James D; Lominchar, Jesus V T; Hansen, Torben; Grarup, Niels; Dantoft, Thomas; Kårhus, Line; Linneberg, Allan; O'Connor, George T; Dupuis, Josée; Xu, Hanfie; De Vries, Maaike M; Hu, Xiaowei; Rich, Stephen S; Barr, R Graham; Manichaikul, Ani; Wijnant, Sara R A; Brusselle, Guy G; Lahousse, Lies; Li, Xuan; Hernández Cordero, Ana I; Obeidat, Ma'en; Sin, Don D; Harris, Sarah E; Redmond, Paul; Taylor, Adele M; Cox, Simon R; Williams, Alexander T; Shrine, Nick; John, Catherine; Guyatt, Anna L; Hall, Ian P; Davey Smith, George; Tobin, Martin D; Dodd, James W
The European respiratory journal, 01/2024, Letnik: 63, Številka: 1Journal Article
Preserved ratio impaired spirometry (PRISm) is defined as a forced expiratory volume in 1 s (FEV ) <80% predicted and FEV /forced vital capacity ≥0.70. PRISm is associated with respiratory symptoms and comorbidities. Our objective was to discover novel genetic signals for PRISm and see if they provide insight into the pathogenesis of PRISm and associated comorbidities. We undertook a genome-wide association study (GWAS) of PRISm in UK Biobank participants (Stage 1), and selected single nucleotide polymorphisms (SNPs) reaching genome-wide significance for replication in 13 cohorts (Stage 2). A combined meta-analysis of Stage 1 and Stage 2 was done to determine top SNPs. We used cross-trait linkage disequilibrium score regression to estimate genome-wide genetic correlation between PRISm and pulmonary and extrapulmonary traits. Phenome-wide association studies of top SNPs were performed. 22 signals reached significance in the joint meta-analysis, including four signals novel for lung function. A strong genome-wide genetic correlation (r ) between PRISm and spirometric COPD (r =0.62, p<0.001) was observed, and genetic correlation with type 2 diabetes (r =0.12, p=0.007). Phenome-wide association studies showed that 18 of 22 signals were associated with diabetic traits and seven with blood pressure traits. This is the first GWAS to successfully identify SNPs associated with PRISm. Four of the signals, rs7652391 (nearest gene ), rs9431040 ( ), rs62018863 ( ) and rs185937162 ( ), have not been described in association with lung function before, demonstrating the utility of using different lung function phenotypes in GWAS. Genetic factors associated with PRISm are strongly correlated with risk of both other lung diseases and extrapulmonary comorbidity.
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in: SICRIS
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