001     298202
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024 7 _ |a 10.1093/ije/dyae175
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024 7 _ |a 1464-3685
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037 _ _ |a DKFZ-2025-00215
041 _ _ |a English
082 _ _ |a 610
100 1 _ |a Lee, Matthew A
|0 0000-0001-6262-3447
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245 _ _ |a A proteogenomic analysis of the adiposity colorectal cancer relationship identifies GREM1 as a probable mediator.
260 _ _ |a Oxford
|c 2025
|b Oxford Univ. Press
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520 _ _ |a Adiposity is an established risk factor for colorectal cancer (CRC). The pathways underlying this relationship, and specifically the role of circulating proteins, are unclear.Utilizing two-sample univariable Mendelian randomization (UVMR), multivariable Mendelian randomization (MVMR), and colocalization, based on summary data from large sex-combined and sex-specific genetic studies, we estimated the univariable associations between: (i) body mass index (BMI) and waist-hip ratio (WHR) and overall and site-specific (colon, proximal colon, distal colon, and rectal) CRC risk, (ii) BMI and WHR and circulating proteins, and (iii) adiposity-associated circulating proteins and CRC risk. We used MVMR to investigate the potential mediating role of adiposity- and CRC-related circulating proteins in the adiposity-CRC association.BMI and WHR were positively associated with CRC risk, with similar associations by anatomical tumor site. In total, 6591 adiposity-protein (2628 unique circulating proteins) and 33 protein-CRC (7 unique circulating proteins) associations were identified using UVMR and colocalization. One circulating protein, GREM1, was associated with BMI (only) and CRC outcomes in a manner that was consistent with a potential mediating role in sex-combined and female-specific analyses. In MVMR, adjusting the BMI-CRC association for GREM1, effect estimates were attenuated-suggestive of a potential mediating role-most strongly for the BMI-overall CRC association in women.Results highlight the impact of adiposity on the plasma proteome and of adiposity-associated circulating proteins on the risk of CRC. Supported by evidence from UVMR and colocalization analyses using cis-single-nucleotide polymorphisms, GREM1 was identified as a potential mediator of the BMI-CRC association, particularly in women.
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650 _ 7 |a Mendelian randomization
|2 Other
650 _ 7 |a adiposity
|2 Other
650 _ 7 |a colocalization
|2 Other
650 _ 7 |a colorectal cancer
|2 Other
650 _ 7 |a proteome
|2 Other
650 _ 7 |a GREM1 protein, human
|2 NLM Chemicals
650 _ 7 |a Intercellular Signaling Peptides and Proteins
|2 NLM Chemicals
650 _ 2 |a Humans
|2 MeSH
650 _ 2 |a Adiposity: genetics
|2 MeSH
650 _ 2 |a Colorectal Neoplasms: genetics
|2 MeSH
650 _ 2 |a Colorectal Neoplasms: epidemiology
|2 MeSH
650 _ 2 |a Body Mass Index
|2 MeSH
650 _ 2 |a Female
|2 MeSH
650 _ 2 |a Male
|2 MeSH
650 _ 2 |a Mendelian Randomization Analysis
|2 MeSH
650 _ 2 |a Waist-Hip Ratio
|2 MeSH
650 _ 2 |a Risk Factors
|2 MeSH
650 _ 2 |a Intercellular Signaling Peptides and Proteins: genetics
|2 MeSH
650 _ 2 |a Obesity: genetics
|2 MeSH
650 _ 2 |a Proteomics
|2 MeSH
650 _ 2 |a Polymorphism, Single Nucleotide
|2 MeSH
700 1 _ |a Hatcher, Charlie A
|b 1
700 1 _ |a Hazelwood, Emma
|b 2
700 1 _ |a Goudswaard, Lucy J
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700 1 _ |a Tsilidis, Konstantinos K
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700 1 _ |a Vincent, Emma E
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700 1 _ |a Martin, Richard M
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700 1 _ |a Smith-Byrne, Karl
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700 1 _ |a Brenner, Hermann
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700 1 _ |a Cheng, Iona
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700 1 _ |a Kweon, Sun-Seog
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700 1 _ |a Le Marchand, Loic
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700 1 _ |a Newcomb, Polly A
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700 1 _ |a Schoen, Robert E
|0 0000-0001-7153-2766
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700 1 _ |a Peters, Ulrike
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700 1 _ |a Gunter, Marc J
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700 1 _ |a Van Guelpen, Bethany
|0 0000-0002-9692-101X
|b 16
700 1 _ |a Murphy, Neil
|0 0000-0003-3347-8249
|b 17
773 _ _ |a 10.1093/ije/dyae175
|g Vol. 54, no. 1, p. dyae175
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|t International journal of epidemiology
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