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2019-09-16

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cc-by (c) Ibáñez Sanz, Gemma et al., 2019
Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/171331

Mendelian randomization analysis rules out disylipidaemia as colorectal cancer cause

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https://doi.org/10.1038/s41598-019-49880-w

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Dyslipidemia and statin use have been associated with colorectal cancer (CRC), but prospective studies have shown mixed results. We aimed to determine whether dyslipidemia is causally linked to CRC risk using a Mendelian randomization approach and to explore the association of statins with CRC. A case-control study was performed including 1336 CRC cases and 2744 controls (MCC-Spain). Subjects were administered an epidemiological questionnaire and were genotyped with an array which included polymorphisms associated with blood lipids levels, selected to avoid pleiotropy. Four genetic lipid scores specific for triglycerides (TG), high density lipoprotein cholesterol (HDL), low density lipoprotein cholesterol (LDL), or total cholesterol (TC) were created as the count of risk alleles. The genetic lipid scores were not associated with CRC. The ORs per 10 risk alleles, were for TG 0.91 (95%CI: 0.72-1.16, p = 0.44), for HDL 1.14 (95%CI: 0.95-1.37, p = 0.16), for LDL 0.97 (95%CI: 0.81-1.16, p = 0.73), and for TC 0.98 (95%CI: 0.84-1.17, p = 0.88). The LDL and TC genetic risk scores were associated with statin use, but not the HDL or TG. Statin use, overall, was a non-significant protective factor for CRC (OR 0.84; 95%CI: 0.70-1.01, p = 0.060), but lipophilic statins were associated with a CRC risk reduction (OR 0.78; 95%CI 0.66-0.96, p = 0.018). Using the Mendelian randomization approach, our study does not support the hypothesis that lipid levels are associated with the risk of CRC. This study does not rule out, however, a possible protective effect of statins in CRC by a mechanism unrelated to lipid levels.

Matèries

Càncer colorectal, Malalties de les glàndules endocrines, Trastorns del metabolisme

Matèries (anglès)

Colorectal cancer, Endocrine diseases, Disorders of metabolism

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Articles publicats en revistes (Ciències Clíniques)
Articles publicats en revistes (Institut d'lnvestigació Biomèdica de Bellvitge (IDIBELL))
Articles publicats en revistes (ISGlobal)

Citació

IBÁÑEZ SANZ, Gemma, DÍEZ VILLANUEVA, Anna, RIERA PONSATI, Marina, FERNÁNDEZ VILLA, Tania, FERNÁNDEZ NAVARRO, Pablo, BUSTAMANTE, Mariona, LLORCA, Javier, AMIANO, Pilar, ASCUNCE, Nieves, FERNÁNDEZ TARDÓN, Guillermo, SALCEDO BELLIDO, Inmaculada, SALAS, Dolores, CAPELO ÁLVAREZ, Rocío, CROUS BOU, Marta, ORTEGA VALÍN, Luis, PÉREZ GÓMEZ, Beatriz, CASTAÑO-VINYALS, Gemma, PALAZUELOS-CALDERÓN, Camilo, ALTZIBAR, Jone m., ARDANAZ, Eva, TARDÓN, Adonina, JIMÉNEZ MOLEÓN, José juan, OLMOS JUSTE, Valle, ARAGONÈS SANZ, Núria, POLLÁN, Marina, KOGEVINAS, Manolis, MORENO AGUADO, Víctor. Mendelian randomization analysis rules out disylipidaemia as colorectal cancer cause. _Scientific Reports_. 2019. Vol. 9, núm. 13407. [consulta: 24 de gener de 2026]. ISSN: 2045-2322. [Disponible a: https://hdl.handle.net/2445/171331]

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