Mendelian Randomization and mediation analysis of leukocyte telomere length and risk of lung and head and neck cancers.,International Journal of Epidemiology

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Mendelian Randomization and mediation analysis of leukocyte telomere length and risk of lung and head and neck cancers.
International Journal of Epidemiology ( IF 7.7 ) Pub Date : 2019-06-01 , DOI: 10.1093/ije/dyy140
Linda Kachuri _{1,

2} , Olli Saarela ₃ , Stig Egil Bojesen _{4,

5} , George Davey Smith ₆ , Geoffrey Liu _{2,

7} , Maria Teresa Landi ₈ , Neil E Caporaso ₈ , David C Christiani _{9,

10} , Mattias Johansson ₁₁ , Salvatore Panico ₁₂ , Kim Overvad ₁₃ , Antonia Trichopoulou _{14,

15} , Paolo Vineis ₁₆ , Ghislaine Scelo ₁₁ , David Zaridze ₁₇ , Xifeng Wu ₁₈ , Demetrius Albanes ₈ , Brenda Diergaarde ₁₉ , Pagona Lagiou ₁₅ , Gary J Macfarlane ₂₀ , Melinda C Aldrich ₂₁ , Adonina Tardón ₂₂ , Gad Rennert ₂₃ , Andrew F Olshan ₂₄ , Mark C Weissler ₂₅ , Chu Chen ₂₆ , Gary E Goodman ₂₆ , Jennifer A Doherty ₂₇ , Andrew R Ness ₂₈ , Heike Bickeböller ₂₉ , H-Erich Wichmann _{30,

31,

32} , Angela Risch ₃₃ , John K Field ₃₄ , M Dawn Teare ₃₅ , Lambertus A Kiemeney ₃₆ , Erik H F M van der Heijden ₃₆ , June C Carroll ₁ , Aage Haugen ₃₇ , Shanbeh Zienolddiny ₃₇ , Vidar Skaug ₃₇ , Victor Wünsch-Filho ₃₈ , Eloiza H Tajara ₃₉ , Raquel Ayoub Moysés ₄₀ , Fabio Daumas Nunes ₄₁ , Stephen Lam ₄₂ , Jose Eluf-Neto ₄₃ , Martin Lacko ₄₄ , Wilbert H M Peters ₄₅ , Loïc Le Marchand ₄₆ , Eric J Duell ₄₇ , Angeline S Andrew ₄₈ , Silvia Franceschi ₁₁ , Matthew B Schabath ₄₉ , Jonas Manjer ₅₀ , Susanne Arnold ₅₁ , Philip Lazarus ₅₂ , Anush Mukeriya ₁₇ , Beata Swiatkowska ₅₃ , Vladimir Janout ₅₄ , Ivana Holcatova ₅₅ , Jelena Stojsic ₅₆ , Dana Mates ₅₇ , Jolanta Lissowska ₅₈ , Stefania Boccia _{59,

60} , Corina Lesseur _{11,

61} , Xuchen Zong ₁ , James D McKay ₁₁ , Paul Brennan ₁₁ , Christopher I Amos ₆₂ , Rayjean J Hung _{1,

2}

Affiliation

Lunenfeld-Tanenbaum Research Institute, Sinai Health System, Toronto, Ontario, Canada.
Division of Epidemiology, Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada.
Division of Biostatistics, Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada.
Department of Clinical Biochemistry, Herlev and Gentofte Hospital, Copenhagen University Hospital, Herlev Ringvej 75, Herlev, Denmark.
Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.
Population Health Science, Bristol Medical School, MRC Integrative Epidemiology Unit, University of Bristol, Bristol, UK.
Ontario Cancer Institute, Princess Margaret Cancer Center, Toronto, Ontario, Canada.
Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA.
Departments of Epidemiology and Environmental Health, Harvard TH Chan School of Public Health, Boston, MA, USA.
Department of Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA.
International Agency for Research on Cancer, Lyon, France.
Dipartimento di Medicina Clinica e Chirurgia, Federico II University, Naples, Italy.
Department of Public Health, Section for Epidemiology, Aarhus University, Aarhus, Denmark.
Hellenic Health Foundation, and WHO Collaborating Center for Nutrition and Health, Unit of Nutritional Epidemiology and Nutrition in Public Health, Athens, Greece.
Department of Hygiene, Epidemiology and Medical Statistics, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece.
MRC/PHE Centre for Environment and Health, Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London, UK.
Department of Epidemiology and Prevention, Russian N.N.Blokhin Cancer Research Centre, Moscow, Russian Federation.
Department of Epidemiology, Division of Cancer Prevention and Population Sciences, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
Department of Human Genetics, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, USA.
The Institute of Applied Health Sciences, School of Medicine, University of Aberdeen, Aberdeen, UK.
Department of Thoracic Surgery and Division of Epidemiology, Vanderbilt University Medical Center, Nashville, TN, USA.
Faculty of Medicine, University of Oviedo and CIBERESP, Campus del Cristo, Oviedo, Spain.
Clalit National Cancer Control Center at Carmel Medical Center and Technion Faculty of Medicine, Haifa, Israel.
Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
Department of Otolaryngology/Head and Neck Surgery, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
Fred Hutchinson Cancer Research Center, Seattle, WA, USA.
Department of Population Health Sciences, Huntsman Cancer Institute, Salt Lake City, UT, USA.
School of Oral and Dental Sciences, University of Bristol, Bristol, UK.
Department of Genetic Epidemiology, University Medical Center, Georg-August-University, Göttingen, Germany.
Institute of Epidemiology II, Helmholtz Zentrum München, German Research Center for Environmental Health, Neuherberg, Germany.
Institute of Medical Informatics, Biometry and Epidemiology, Ludwig Maximilians University, Munich, Germany.
Institute of Medical Statistics and Epidemiology, Technical University, Munich, Germany.
Division of Epigenomics & Cancer Risk Factors, German Cancer Research Center (DKFZ), Heidelberg, Germany.
Roy Castle Lung Cancer Research Programme, University of Liverpool Cancer Research Centre Institute of Translational Medicine, University of Liverpool, Liverpool, UK.
School of Health and Related Research, University of Sheffield, Sheffield, UK.
Radboud Institute for Health Sciences, Radboud University Medical Centre, Nijmegen, The Netherlands.
The National Institute of Occupational Health, Oslo, Norway.
Faculdade de Saúde Pública, Universidade de São Paulo, Brazil.
Department of Molecular Biology, School of Medicine of São José do Rio Preto, São José do Rio Preto, Brazil.
Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, Disciplina de Cirurgia de Cabeça e Pescoço (LIM28), São Paulo, Brasil.
Department of Oral Pathology, School of Dentistry, University of São Paulo, São Paulo, Brazil.
BC Cancer Agency, Vancouver, BC, Canada.
Departamento de Medicina Preventiva, Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil.
Department of Otorhinolaryngology, Head and Neck Surgery, Maastricht University Medical Center, Maastricht, The Netherlands.
Department of Gastroenterology, Radboud University Nijmegen Medical Center, Nijmegen, The Netherlands.
Epidemiology Program, University of Hawaii Cancer Center, Honolulu, HI, USA.
Unit of Nutrition and Cancer, Catalan Institute of Oncology (ICO-IDIBELL), Barcelona, Spain.
Department of Epidemiology, Geisel School of Medicine, Dartmouth College, Hanover, NH, USA.
Department of Cancer Epidemiology, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL, USA.
Skåne University Hospital, Lund University, Lund, Sweden.
Markey Cancer Center, University of Kentucky, Lexington, KY, USA.
College of Pharmacy, Washington State University, Spokane, WA, USA.
Department of Environmental Epidemiology, Nofer Institute of Occupational Medicine, Lodz, Poland.
Faculty of Health Sciences, Palacky University, Olomouc, Czech Republic.
Institute of Public Health and Preventive Medicine, Second Faculty of Medicine, Charles University, Prague, Czech Republic.
Department of Thoracopulmonary Pathology, Service of Pathology, Clinical Center of Serbia, Belgrade, Serbia.
National Institute of Public Health, Bucharest, Romania.
Department of Cancer Epidemiology and Prevention, Cancer Center Maria Sklodowska-Curie Institute of Oncology, Warsaw, Poland.
Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italia.
Section of Hygiene, Institute of Public Health, Università Cattolica del Sacro Cuore, Rome, Italy.
Icahn School of Medicine at Mount Sinai, New York, NY, USA.
Institute for Clinical and Translational Research, Baylor College of Medicine, Houston, TX, USA.

BACKGROUND Evidence from observational studies of telomere length (TL) has been conflicting regarding its direction of association with cancer risk. We investigated the causal relevance of TL for lung and head and neck cancers using Mendelian Randomization (MR) and mediation analyses. METHODS We developed a novel genetic instrument for TL in chromosome 5p15.33, using variants identified through deep-sequencing, that were genotyped in 2051 cancer-free subjects. Next, we conducted an MR analysis of lung (16 396 cases, 13 013 controls) and head and neck cancer (4415 cases, 5013 controls) using eight genetic instruments for TL. Lastly, the 5p15.33 instrument and distinct 5p15.33 lung cancer risk loci were evaluated using two-sample mediation analysis, to quantify their direct and indirect, telomere-mediated, effects. RESULTS The multi-allelic 5p15.33 instrument explained 1.49-2.00% of TL variation in our data (p = 2.6 × 10-9). The MR analysis estimated that a 1000 base-pair increase in TL increases risk of lung cancer [odds ratio (OR) = 1.41, 95% confidence interval (CI): 1.20-1.65] and lung adenocarcinoma (OR = 1.92, 95% CI: 1.51-2.22), but not squamous lung carcinoma (OR = 1.04, 95% CI: 0.83-1.29) or head and neck cancers (OR = 0.90, 95% CI: 0.70-1.05). Mediation analysis of the 5p15.33 instrument indicated an absence of direct effects on lung cancer risk (OR = 1.00, 95% CI: 0.95-1.04). Analysis of distinct 5p15.33 susceptibility variants estimated that TL mediates up to 40% of the observed associations with lung cancer risk. CONCLUSIONS Our findings support a causal role for long telomeres in lung cancer aetiology, particularly for adenocarcinoma, and demonstrate that telomere maintenance partially mediates the lung cancer susceptibility conferred by 5p15.33 loci.

中文翻译：

孟德尔对白细胞端粒长度和肺癌及头颈癌风险的随机化和中介分析。

背景技术端粒长度（TL）的观察研究的证据就其与癌症风险相关的方向一直存在矛盾。我们使用孟德尔随机化（MR）和中介分析研究了TL与肺癌和头颈癌的因果相关性。方法我们开发了一种新的遗传仪器，用于5p15.33染色体上的TL，使用通过深度测序鉴定的变体在2051名无癌受试者中进行了基因分型。接下来，我们使用八种用于TL的遗传仪器对肺（16 396例，13013例对照）和头颈癌（4415例，5013例对照）进行了MR分析。最后，使用两个样本的调解分析评估了5p15.33仪器和独特的5p15.33肺癌风险基因座，以量化其直接和间接端粒介导的作用。结果多等位基因5p15。33台仪器在我们的数据中解释了TL变化的1.49-2.00％（p = 2.6×10-9）。MR分析估计，TL增加1000个碱基对会增加罹患肺癌的几率[比值比（OR）= 1.41，95％置信区间（CI）：1.20-1.65]和肺癌（OR = 1.92，95％CI）：1.51-2.22），但不包括鳞状肺癌（OR = 1.04，95％CI：0.83-1.29）或头颈癌（OR = 0.90，95％CI：0.70-1.05）。5p15.33仪器的中介分析表明，对肺癌风险没有直接影响（OR = 1.00，95％CI：0.95-1.04）。对不同的5p15.33敏感性变量的分析估计，TL介导了高达40％的观察到的与肺癌风险的相关性。结论我们的发现支持长端粒在肺癌病因中，尤其是对于腺癌的因果作用，

更新日期：2019-07-26

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