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Meta-analysis of up to 622,409 individuals identifies 40 novel smoking behaviour associated genetic loci.

journal contribution
posted on 13.09.2019, 09:29 by AM Erzurumluoglu, M Liu, VE Jackson, DR Barnes, G Datta, CA Melbourne, R Young, C Batini, P Surendran, T Jiang, SD Adnan, S Afaq, A Agrawal, E Altmaier, AC Antoniou, FW Asselbergs, C Baumbach, L Bierut, S Bertelsen, M Boehnke, ML Bots, DM Brazel, JC Chambers, J Chang-Claude, C Chen, J Corley, Y-L Chou, SP David, RA de Boer, CA de Leeuw, JG Dennis, AF Dominiczak, AM Dunning, DF Easton, C Eaton, P Elliott, E Evangelou, JD Faul, T Foroud, A Goate, J Gong, HJ Grabe, J Haessler, C Haiman, G Hallmans, AR Hammerschlag, SE Harris, A Hattersley, A Heath, C Hsu, WG Iacono, S Kanoni, M Kapoor, J Kaprio, SL Kardia, F Karpe, J Kontto, JS Kooner, C Kooperberg, K Kuulasmaa, M Laakso, D Lai, C Langenberg, N Le, G Lettre, A Loukola, J Luan, PAF Madden, M Mangino, RE Marioni, E Marouli, J Marten, NG Martin, M McGue, K Michailidou, E Mihailov, A Moayyeri, M Moitry, M Müller-Nurasyid, A Naheed, M Nauck, MJ Neville, SF Nielsen, K North, M Perola, PDP Pharoah, G Pistis, TJ Polderman, D Posthuma, N Poulter, B Qaiser, A Rasheed, A Reiner, F Renström, J Rice, R Rohde, O Rolandsson, NJ Samani, M Samuel, D Schlessinger, SH Scholte, RA Scott, P Sever, Y Shao, N Shrine, JA Smith, JM Starr, K Stirrups, D Stram, HM Stringham, I Tachmazidou, J-C Tardif, DJ Thompson, HA Tindle, V Tragante, S Trompet, V Turcot, J Tyrrell, I Vaartjes, AR van der Leij, P van der Meer, TV Varga, N Verweij, H Völzke, NJ Wareham, HR Warren, DR Weir, S Weiss, L Wetherill, H Yaghootkar, E Yavas, Y Jiang, F Chen, X Zhan, W Zhang, W Zhao, K Zhou, P Amouyel, S Blankenberg, MJ Caulfield, R Chowdhury, F Cucca, IJ Deary, P Deloukas, E Di Angelantonio, M Ferrario, J Ferrières, PW Franks, TM Frayling, P Frossard, IP Hall, C Hayward, J-H Jansson, JW Jukema, F Kee, S Männistö, A Metspalu, PB Munroe, BG Nordestgaard, CNA Palmer, V Salomaa, N Sattar, T Spector, DP Strachan, EPIC-CVD Understanding Society Scientific Group, P van der Harst, E Zeggini, D Saleheen, AS Butterworth, LV Wain, GR Abecasis, J Danesh, MD Tobin, S Vrieze, DJ Liu, JMM Howson
Smoking is a major heritable and modifiable risk factor for many diseases, including cancer, common respiratory disorders and cardiovascular diseases. Fourteen genetic loci have previously been associated with smoking behaviour-related traits. We tested up to 235,116 single nucleotide variants (SNVs) on the exome-array for association with smoking initiation, cigarettes per day, pack-years, and smoking cessation in a fixed effects meta-analysis of up to 61 studies (up to 346,813 participants). In a subset of 112,811 participants, a further one million SNVs were also genotyped and tested for association with the four smoking behaviour traits. SNV-trait associations with P < 5 × 10-8 in either analysis were taken forward for replication in up to 275,596 independent participants from UK Biobank. Lastly, a meta-analysis of the discovery and replication studies was performed. Sixteen SNVs were associated with at least one of the smoking behaviour traits (P < 5 × 10-8) in the discovery samples. Ten novel SNVs, including rs12616219 near TMEM182, were followed-up and five of them (rs462779 in REV3L, rs12780116 in CNNM2, rs1190736 in GPR101, rs11539157 in PJA1, and rs12616219 near TMEM182) replicated at a Bonferroni significance threshold (P < 4.5 × 10-3) with consistent direction of effect. A further 35 SNVs were associated with smoking behaviour traits in the discovery plus replication meta-analysis (up to 622,409 participants) including a rare SNV, rs150493199, in CCDC141 and two low-frequency SNVs in CEP350 and HDGFRP2. Functional follow-up implied that decreased expression of REV3L may lower the probability of smoking initiation. The novel loci will facilitate understanding the genetic aetiology of smoking behaviour and may lead to the identification of potential drug targets for smoking prevention and/or cessation.

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Citation

Molecular Psychiatry, 2019

Author affiliation

/Organisation/COLLEGE OF LIFE SCIENCES/School of Medicine/Department of Health Sciences

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VoR (Version of Record)

Published in

Molecular Psychiatry

Publisher

Springer Nature

eissn

1476-5578

Acceptance date

14/11/2018

Copyright date

2019

Available date

13/09/2019

Publisher version

https://www.nature.com/articles/s41380-018-0313-0

Notes

The online version of this article (https:// doi.org/10.1038/s41380-018-0313-0) contains supplementary material, which is available to authorized users.

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en

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