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Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/214898
Genome-wide interaction study of dietary intake of fibre, fruits, and vegetables with risk of colorectal cancer
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Background Consumption of fi bre, fruits and vegetables have been linked with lower colorectal cancer (CRC) risk. A genome-wide gene -environment (G x E) analysis was performed to test whether genetic variants modify these associations. Methods A pooled sample of 45 studies including up to 69,734 participants (cases: 29,896; controls: 39,838) of European ancestry were included. To identify G x E interactions, we used the traditional 1 - degree-of-freedom (DF) G x E test and to improve power a 2 -step procedure and a 3DF joint test that investigates the association between a genetic variant and dietary exposure, CRC risk and G x E interaction simultaneously. Findings The 3-DF joint test revealed two signi fi cant loci with p -value <5 x 10 - 8 . Rs4730274 close to the SLC26A3 gene showed an association with fi bre (p -value: 2.4 x 10 - 3 ) and G x fi bre interaction with CRC (OR per quartile of fi bre increase = 0.87, 0.80, and 0.75 for CC, TC, and TT genotype, respectively; G x E p -value: 1.8 x 10 - 7 ). Rs1620977 in the NEGR1 gene showed an association with fruit intake (p -value: 1.0 x 10 - 8 ) and G x fruit interaction with CRC (OR per quartile of fruit increase = 0.75, 0.65, and 0.56 for AA, AG, and GG genotype, respectively; G x E -p-value: 0.029). Interpretation We identi fi ed 2 loci associated with fi bre and fruit intake that also modify the association of these dietary factors with CRC risk. Potential mechanisms include chronic in fl ammatory intestinal disorders, and gut function. However, further studies are needed for mechanistic validation and replication of fi ndings. Copyright (c) 2024 Published by Elsevier B.V. This is an open access article under the CC BY -NC -ND IGO license (http://creativecommons.org/licenses/by-nc-nd/3.0/igo/).
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PAPADIMITRIOU, Nikos, KIM, Andre, KAWAGUCHI, Eric s., MORRISON, John, DIEZ OBRERO, Virginia, ALBANES, Demetrius, BERNDT, Sonja i., BÉZIEAU, Stéphane, BIEN, Stephanie a., BISHOP, D. timothy, BOURAS, Emmanouil, BRENNER, Hermann, BUCHANAN, Daniel d., CAMPBELL, Peter t., CARRERAS TORRES, Robert, CHAN, Andrew t., CHANG CLAUDE, Jenny, CONTI, David v., DEVALL, Matthew a., DIMOU, Niki, DREW, David a., GRUBER, Stephen b., HARRISON, Tabitha a., HOFFMEISTER, Michael, HUYGHE, Jeroen r., JOSHI, Amit d., KEKU, Temitope o., KUNDAJE, Anshul, KÜRY, Sébastien, MARCHAND, Loïc le, LEWINGER, Juan pablo, LI, Li, LYNCH, Brigid m., MORENO, Víctor, NEWTON, Christina c., OBÓN SANTACANA, Mireia, OSE, Jennifer, PELLATT, Andrew j., PEOPLES, Anita r., PLATZ, Elizabeth a., QU, Conghui, RENNERT, Gad, RUIZ NARVAEZ, Edward, SHCHERBINA, Anna, STERN, Mariana c., SU, Yu-ru, THOMAS, Duncan c., THOMAS, Claire e., TIAN, Yu, TSILIDIS, Konstantinos k., ULRICH, Cornelia m., UM, Caroline y., VISVANATHAN, Kala, WANG, Jun, WHITE, Emily, WOODS, Michael o., SCHMIT, Stephanie l., MACRAE, Finlay, POTTER, John d., HOPPER, John l., PETERS, Ulrike, MURPHY, Neil, HSU, Li, GUNTER, Marc j., GAUDERMAN, W. james. Genome-wide interaction study of dietary intake of fibre, fruits, and vegetables with risk of colorectal cancer. _eBioMedicine_. 2024. Vol. 104. [consulta: 21 de gener de 2026]. ISSN: 2352-3964. [Disponible a: https://hdl.handle.net/2445/214898]