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Minelli, C.* ; Dean, C.H.* ; Hind, M.* ; Alves, A.C.* ; Amaral, A.F.S.* ; Siroux, V.* ; Huikari, V.* ; Artigas, M.S.* ; Evans, D.M* ; Loth, D.W.* ; Bossé, Y.* ; Postma, D.S.* ; Sin, D.* ; Thompson, J.* ; Demenais, F.* ; Henderson, J.* ; SpiroMeta Consortium (*) ; CHARGE Consortium (Albrecht, E. ; Flexeder, C. ; Gieger, C. ; Grallert, H. ; Hampel, R. ; Heinrich, J. ; Karrasch, S. ; Schulz, H. ; Wjst, M.) ; Bouzigon, E.* ; Jarvis, D.* ; Jarvelin, M.R.* ; Burney, P.*

Association of forced vital capacity with the developmental gene NCOR2.

PLoS ONE 11:e0147388 (2016)
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Open Access Gold
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Background Forced Vital Capacity (FVC) is an important predictor of all-cause mortality in the absence of chronic respiratory conditions. Epidemiological evidence highlights the role of early life factors on adult FVC, pointing to environmental exposures and genes affecting lung development as risk factors for low FVC later in life. Although highly heritable, a small number of genes have been found associated with FVC, and we aimed at identifying further genetic variants by focusing on lung development genes. Methods Per-allele effects of 24,728 SNPs in 403 genes involved in lung development were tested in 7,749 adults from three studies (NFBC1966, ECRHS, EGEA). The most significant SNP for the top 25 genes was followed-up in 46,103 adults (CHARGE and SpiroMeta consortia) and 5,062 children (ALSPAC). Associations were considered replicated if the replication p-value survived Bonferroni correction (p<0.002; 0.05/25), with a nominal p-value considered as suggestive evidence. For SNPs with evidence of replication, effects on the expression levels of nearby genes in lung tissue were tested in 1,111 lung samples (Lung eQTL consortium), with further functional investigation performed using public epigenomic profiling data (ENCODE). Results NCOR2-rs12708369 showed strong replication in children (p = 0.0002), with replication unavailable in adults due to low imputation quality. This intronic variant is in a strong transcriptional enhancer element in lung fibroblasts, but its eQTL effects could not be tested due to low imputation quality in the eQTL dataset. SERPINE2-rs6754561 replicated at nominal level in both adults (p = 0.036) and children (p = 0.045), while WNT16-rs2707469 replicated at nominal level only in adults (p = 0.026). The eQTL analyses showed association of WNT16-rs2707469 with expression levels of the nearby gene CPED1.We found no statistically significant eQTL effects for SERPINE2-rs6754561. Conclusions We have identified a new gene, NCOR2, in the retinoic acid signalling pathway pointing to a role of Vitamin A metabolism in the regulation of FVC. Our findings also support SERPINE2, a COPD gene with weak previous evidence of association with FVC, and suggest WNT16 as a further promising candidate.
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Publication type Article: Journal article
Document type Scientific Article
Corresponding Author
ISSN (print) / ISBN 1932-6203
Journal PLoS ONE
Quellenangaben Volume: 11, Issue: 2, Pages: , Article Number: e0147388 Supplement: ,
Publisher Public Library of Science (PLoS)
Publishing Place Lawrence, Kan.
Non-patent literature Publications
Reviewing status Peer reviewed
Institute(s) Institute of Genetic Epidemiology (IGE)
Institute of Epidemiology (EPI)
Institute of Epidemiology II (EPI2)
Institute of Lung Biology (LHI)