Journal article
Adiposity distribution and risks of 12 obesity-related cancers: a Mendelian randomization analysis
- Abstract:
- Introduction: There is convincing evidence that overall adiposity increases the risks of several cancers. Whether the distribution of adiposity plays a similar role is unclear. Methods: We used 2-sample Mendelian randomization (MR) to examine causal relationships of 5 adiposity distribution traits (abdominal subcutaneous adipose tissue (ASAT); visceral adipose tissue (VAT); gluteofemoral adipose tissue (GFAT); liver fat; and pancreas fat) with the risks of 12 obesity-related cancers (endometrial, ovarian, breast, colorectal, pancreas, multiple myeloma, liver, kidney (renal cell), thyroid, gallbladder, esophageal adenocarcinoma, and meningioma). Results: Sample size across all genome-wide association studies (GWAS) ranged from 8407 to 728 896 (median: 57 249). We found evidence that higher genetically predicted ASAT increased the risks of endometrial cancer, liver cancer, and esophageal adenocarcinoma (odds ratios (OR) and 95% confidence intervals (CI) per standard deviation (SD) higher ASAT = 1.79 (1.18 to 2.71), 3.83 (1.39 to 10.53), and 2.34 (1.15 to 4.78), respectively). Conversely, we found evidence that higher genetically predicted GFAT decreased the risks of breast cancer and meningioma (ORs and 95% CIs per SD higher genetically predicted GFAT = 0.77 (0.62 to 0.97) and 0.53 (0.32 to 0.90), respectively). We also found evidence for an effect of higher genetically predicted VAT and liver fat on increased liver cancer risk (ORs and 95% CIs per SD higher genetically predicted adiposity trait = 4.29 (1.41 to 13.07) and 4.09 (2.29 to 7.28), respectively). Discussion: Our analyses provide novel insights into the relationship between adiposity distribution and cancer risk. These insights highlight the potential importance of adipose tissue distribution alongside maintaining a healthy weight for cancer prevention.
- Publication status:
- Published
- Peer review status:
- Peer reviewed
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(Preview, Version of record, pdf, 3.5MB, Terms of use)
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- Publisher copy:
- 10.1093/jnci/djaf201
Authors
+ French National Cancer Institute
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- Funder identifier:
- https://ror.org/03m8vkq32
+ World Cancer Research Fund International
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- Funder identifier:
- https://ror.org/02747h926
- Publisher:
- Oxford University Press
- Journal:
- Journal of the National Cancer Institute More from this journal
- Volume:
- 117
- Issue:
- 12
- Pages:
- 2621-2642
- Publication date:
- 2025-09-24
- Acceptance date:
- 2025-07-14
- DOI:
- EISSN:
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1460-2105
- ISSN:
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0027-8874
- Language:
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English
- Pubs id:
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2297536
- UUID:
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uuid_c97a1672-d807-480c-ba9b-37ad4a353606
- Local pid:
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pubs:2297536
- Source identifiers:
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3543260
- Deposit date:
-
2025-12-08
- ARK identifier:
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Terms of use
- Copyright date:
- 2025
- Licence:
- CC Attribution (CC BY)
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