Genetically determined body mass index is associated with diffuse large B-cell lymphoma in polygenic and Mendelian randomization analyses

  • Amy Moore
  • , Eleanor Kane
  • , Lauren R Teras
  • , Mitchell J Machiela
  • , Joshua Arias
  • , Orestis A Panagiotou
  • , Alain Monnereau
  • , Nicole Wong Doo
  • , Zhaoming Wang
  • , Susan L Slager
  • , Roel C H Vermeulen
  • , Claire M Vajdic
  • , Karin E Smedby
  • , John J Spinelli
  • , Joseph Vijai
  • , Graham G Giles
  • , Brian K Link
  • , Alan A Arslan
  • , Alexandra Nieters
  • , Paige M Bracci
  • Nicola J Camp, Gilles Salles, Wendy Cozen, Henrik Hjalgrim, Immaculata De Vivo, Hans-Olov Adami, Demetrius Albanes, Nikolaus Becker, Yolanda Benavente, Simonetta Bisanzi, Paolo Boffetta, Paul Brennan, Angela R Brooks-Wilson, Federico Canzian, Jacqueline Clavel, Lucia Conde, David G Cox, Karen Curtin, Lenka Foretova, Hervé Ghesquières, Bengt Glimelius, Thomas M Habermann, Jonathan N Hofmann, Qing Lan, Mark Liebow, Anne Lincoln, Marc Maynadie, James McKay, Mads Melbye, Lucia Miligi, Roger L Milne, Thierry J Molina, Lindsay M Morton, Kari E North, Kenneth Offit, Marina Padoan, Sara Piro, Alpa V Patel, Mark P Purdue, Vignesh Ravichandran, Elio Riboli, Richard K Severson, Melissa C Southey, Anthony Staines, Lesley F Tinker, Ruth C Travis, Sophia S Wang, Elisabete Weiderpass, Stephanie Weinstein, Tongzhang Zheng, Stephen J Chanock, Nathaniel Rothman, Brenda M Birmann, James R Cerhan, Sonja I Berndt*
*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Obesity has been associated with non-Hodgkin lymphoma (NHL), but the evidence is inconclusive. We examined the association between genetically determined adiposity and four common NHL subtypes: diffuse large B-cell lymphoma (DLBCL), follicular lymphoma, chronic lymphocytic leukemia, and marginal zone lymphoma, using eight genome-wide association studies of European ancestry (N = 10,629 cases, 9505 controls) and constructing polygenic scores for body mass index (BMI), waist-to-hip ratio (WHR), and waist-to-hip ratio adjusted for BMI (WHRadjBMI). Higher genetically determined BMI was associated with an increased risk of DLBCL [odds ratio (OR) per standard deviation (SD) = 1.18, 95% confidence interval (95% CI): 1.05-1.33, p = .005]. This finding was consistent with Mendelian randomization analyses, which demonstrated a similar increased risk of DLBCL with higher genetically determined BMI (ORper SD = 1.12, 95% CI: 1.02-1.23, p = .03). No significant associations were observed with other NHL subtypes. Our study demonstrates a positive link between a genetically determined BMI and an increased risk of DLBCL, providing additional support for increased adiposity as a risk factor for DLBCL.

Original languageEnglish
Pages (from-to)45-59
Number of pages15
JournalInternational Journal of Cancer
Volume158
Issue number1
Early online date5 Sept 2025
DOIs
Publication statusPublished - 1 Jan 2026

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