{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,5]],"date-time":"2026-05-05T18:11:02Z","timestamp":1778004662774,"version":"3.51.4"},"reference-count":56,"publisher":"European Respiratory Society (ERS)","issue":"2","license":[{"start":{"date-parts":[[2025,10,23]],"date-time":"2025-10-23T00:00:00Z","timestamp":1761177600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"funder":[{"name":"Special Project from Guangzhou National Lab","award":["GZNL2024A02002"],"award-info":[{"award-number":["GZNL2024A02002"]}]},{"name":"the Incubation Program Distinguished Young Scholars from Guangzhou Medical University","award":["GMU2020-207"],"award-info":[{"award-number":["GMU2020-207"]}]}],"content-domain":{"domain":["publications.ersnet.org"],"crossmark-restriction":true},"short-container-title":["ERJ Open Res"],"accepted":{"date-parts":[[2025,9,7]]},"published-print":{"date-parts":[[2026,3]]},"abstract":"<jats:sec>\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>Chronic cough is a common condition, particularly among women in their sixties, and is associated with a high disease burden and reduced quality of life. Limited understanding of its risk factors and genetic associations represents a barrier to its effective management.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>We used genome-wide association study datasets for respiratory and other diseases, as well as behavioural phenotypes from the UK Biobank, FinnGen, Global Biobank Meta-analysis Initiative and Psychiatric Genomics Consortium. We identified pleiotropic genetic associations with chronic cough using linkage disequilibrium score regression, pleiotropy analysis and Bayesian colocalisation analysis. We conducted Mendelian randomisation analysis to determine the association between brain regional volumes and chronic cough risk.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>We identified 19 significant genetic correlations between chronic cough and various risk factors and associations. Among 74 pleiotropic genomic loci identified, the 4p14 locus had the strongest effect on cough-associated asthma, with RFC1 linked to cerebellar ataxia, neuropathy and vestibular areflexia syndrome. Gene enrichment analyses highlighted that the central nervous system and ion channel activity play roles in the pathogenesis of cough. A reduction in the volume of isthmus cingulate, thalamus proper and pallidum was associated with an increased risk of chronic cough. In ageing-associated cough, the direct effect of ageing on chronic cough showed an increased odds ratio of 1.044, while a reduction in left pallidum volume was associated with a decreased risk, with an odds ratio of 0.902.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>This genetic basis of chronic cough risk and its associations highlights both structural and functional genetic overlap, confirming the impact of reductions in brain regional volumes on chronic cough as a result of ageing.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1183\/23120541.00844-2025","type":"journal-article","created":{"date-parts":[[2025,10,23]],"date-time":"2025-10-23T13:50:14Z","timestamp":1761227414000},"page":"00844-2025","update-policy":"https:\/\/doi.org\/10.1183\/ers-crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["Integrative genomics reveal genetic links of 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