Body Size at Different Ages and Risk of 6 Cancers: A Mendelian Randomization and Prospective Cohort Study

Daniela Mariosa, Karl Smith Byrne, Tom G Richardson, Pietro Ferrari, Marc J. Gunter , Nikos Papadimitriou, Neil Murphy, Sofia Christakoudi, Konstantinos K. Tsilidis , Elio Riboli, David A Muller, Mark P. Purdue, Stephen J Chanock, Rayjean J. Hung, Christopher I Amos, Tracy A O'Mara, Pilar Amiano, Fabrizio Pasanisi, Miguel Rodríguez-Barranco, Vittorio KroghAnne Tjønneland, Jytte Halkjær, Aurora Perez-Cornago, María-Dolores Chirlaque, Guri Skeie, Charlotta Rylander, Kristin B Borch, Dagfinn Aune, Alicia Heath , Heather A. Ward, Matthias B. Schulze, Catalina Bonet, Elisabete Weiderpass, George Davey Smith, Paul Brennan*, Mattias Johansson

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)peer-review

14 Citations (Scopus)
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Abstract

It is unclear if body weight in early life affects cancer risk independently of adult body weight. To investigate this question for six obesity-related cancers, we performed univariable and multivariable analyses using i) Mendelian randomization (MR) analysis and ii) longitudinal analyses in prospective cohorts. Both the MR and longitudinal analyses indicated that larger body size at age 10 was associated with higher risk of endometrial (ORMR=1.61, 95%CI = 1.23–2.11) and kidney cancer (ORMR=1.40, 95%CI = 1.09–1.80). These associations were attenuated after accounting for adult body size in both the MR and cohort analyses. Early life BMI was not consistently associated with the other investigated cancers. The lack of clear independent risk associations suggests that early life BMI influences endometrial and kidney cancer risk mainly through pathways that are common with adult BMI.
Original languageEnglish
Article numberdjac061
Pages (from-to)1296-1300
Number of pages5
JournalJournal of the National Cancer Institute
Volume114
Issue number9
DOIs
Publication statusPublished - 19 Apr 2022

Bibliographical note

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© World Health Organization, 2022. All rights reserved. The World Health Organization has granted the Publisher permission for the reproduction of this article.

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