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Association between a 15q25 gene variant, smoking quantity and tobacco-related cancers among 17 000 individuals

  • Esther H. Lips
  • , Valerie Gaborieau
  • , James D. McKay
  • , Amelie Chabrier
  • , Rayjean J. Hung
  • , Paolo Boffetta
  • , Mia Hashibe
  • , David Zaridze
  • , Neonilia Szeszenia-Dabrowska
  • , Jolanta Lissowska
  • , Peter Rudnai
  • , Eleonora Fabianova
  • , Dana Mates
  • , Vladimir Bencko
  • , Lenka Foretova
  • , Vladimir Janout
  • , John K. Field
  • , Triantafillos Liloglou
  • , George Xinarianos
  • , John McLaughlin
  • Geoffrey Liu, Frank Skorpen, Maiken Bratt Elvestad, Kristian Hveem, Lars Vatten, Simone Benhamou, Pagona Lagiou, Ivana Holcátová, Franco Merletti, Kristina Kjaerheim, Antonio Agudo, Xavier Castellsagué, Tatiana V. Macfarlane, Luigi Barzan, Cristina Canova, Ray Lowry, David I. Conway, Ariana Znaor, Claire Healy, Maria Paula Curado, Sergio Koifman, Jose Eluf-Neto, Elena Matos, Ana Menezes, Leticia Fernandez, Andres Metspalu, Simon Heath, Mark Lathrop, Paul Brennan
  • International Agency for Research on Cancer
  • University of Toronto
  • Blokhin Cancer Research Center
  • Nofer Institute of Occupational Medicine
  • Maria Sklodowska-Curie Institute of Oncology
  • Johan National Institute of Public Health
  • Regional Authority of Public Health
  • National Institute of Public Health
  • Charles University
  • Masaryk Memorial Cancer Institute
  • Palacký University Olomouc
  • University of Liverpool
  • Cancer Care Ontario
  • Princess Margaret Cancer Centre
  • Norwegian University of Science and Technology
  • Institut national de la santé et de la recherche médicale
  • University of Paris Sud
  • National and Kapodistrian University of Athens
  • University of Turin
  • Cancer Registry of Norway Institute of Population-Based Cancer Research
  • Institut Catala' d'Oncologia (ICO)-IDIBELL
  • CIBER Epidemiología y Salud Pública (CIBERESP)
  • University of Aberdeen
  • General Hospital
  • University of Padua
  • Newcastle University
  • University of Glasgow
  • Croatian National Institute of Public Health
  • Trinity College Dublin
  • Hospital Araujo Jorge
  • Fundação Oswaldo Cruz
  • Universidade de São Paulo
  • Universidad de Buenos Aires
  • Universidade Federal de Pelotas
  • National School of Public Health
  • University of Tartu
  • Institut Génomique, Commissariat À l'Énergie Atomique
  • Fondation Jean Dausset - CEPH

Research output: Contribution to journalArticlepeer-review

115 Scopus citations

Abstract

Background: Genetic variants in 15q25 have been identified as potential risk markers for lung cancer (LC), but controversy exists as to whether this is a direct association, or whether the 15q variant is simply a proxy for increased exposure to tobacco carcinogens. Methods: We performed a detailed analysis of one 15q single nucleotide polymorphism (SNP) (rs16969968) with smoking behaviour and cancer risk in a total of 17 300 subjects from five LC studies and four upper aerodigestive tract (UADT) cancer studies. Results: Subjects with one minor allele smoked on average 0.3 cigarettes per day (CPD) more, whereas subjects with the homozygous minor AA genotype smoked on average 1.2 CPD more than subjects with a GG genotype (P<0.001). The variant was associated with heavy smoking (>20 CPD) [odds ratio (OR)=1.13, 95% confidence interval (CI) 0.96-1.34, P=0.13 for heterozygotes and 1.81, 95% CI 1.39-2.35 for homozygotes, P<0.0001]. The strong association between the variant and LC risk (OR=1.30, 95% CI 1.23-1.38, P = 1 × 10-18), was virtually unchanged after adjusting for this smoking association (smoking adjusted OR=1.27, 95% CI 1.19-1.35, P=5 × 10-13). Furthermore, we found an association between the variant allele and an earlier age of LC onset (P=0.02). The association was also noted in UADT cancers (OR=1.08, 95% CI 1.01-1.15, P=0.02). Genome wide association (GWA) analysis of over 300 000 SNPs on 11 219 subjects did not identify any additional variants related to smoking behaviour. Conclusions This study confirms the strong association between 15q gene variants and LC and shows an independent association with smoking quantity, as well as an association with UADT cancers.

Original languageEnglish
Article numberdyp288
Pages (from-to)563-577
Number of pages15
JournalInternational Journal of Epidemiology
Volume39
Issue number2
DOIs
StatePublished - Apr 2010

Keywords

  • Lung cancer
  • Nicotine dependence
  • Smoking quantity
  • UADT cancer

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