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Biomarkers of folate and vitamin B12 and breast cancer risk: report from the EPIC cohort

Permanent lenke
https://hdl.handle.net/10037/13639
DOI
https://doi.org/10.1002/ijc.30536
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article.pdf (791.9Kb)
Accepted manuscript version (PDF)
Dato
2016-12-01
Type
Journal article
Tidsskriftartikkel
Peer reviewed

Forfatter
Matejcic, Marco; De Batlle, Jordi; Ricci, Cristian; Biessy, Carine; Perrier, Flavie; Huybrechts, Inge; Weiderpass, Elisabete; Boutron-Ruault, Marie-Christine; Cadeau, Claire; His, Mathilde; Cox, David G.; Boeing, Heiner; Fortner, Renée Turzanski; Kaaks, Rudolf; Lagiou, Pagona; Trichopoulou, Antonia; Benetou, Vassiliki; Tumino, Rosario; Panico, Salvatore; Sieri, Sabina; Palli, Domenico; Ricceri, Fulvio; Bueno-De-Mesquita, Hendrik Bastiaan; Skeie, Guri; Amiano, Pilar; Sánchez, María-José; Chirlaque, María-Dolores; Barricarte, Aurelio; Quirós, José Ramón; Buckland, Genevieve; van Gils, Carla H.; Peeters, Petra H.; Key, Timothy J.; Riboli, Elio; Gylling, Björn; Zeleniuch-Jacquotte, Anne; Gunter, Mark J.; Romieu, Isabelle; Chajès, Véronique
Sammendrag
Epidemiological studies have reported inconsistent findings for the association between B vitamins and breast cancer (BC) risk. We investigated the relationship between biomarkers of folate and vitamin B12 and the risk of BC in the European Prospective Investigation into Cancer and Nutrition (EPIC) cohort. Plasma concentrations of folate and vitamin B12 were determined in 2,491 BC cases individually matched to 2,521 controls among women who provided baseline blood samples. Multivariable logistic regression models were used to estimate odds ratios by quartiles of either plasma B vitamin. Subgroup analyses by menopausal status, hormone receptor status of breast tumors (estrogen receptor [ER], progesterone receptor [PR] and human epidermal growth factor receptor 2 [HER2]), alcohol intake and MTHFR polymorphisms (677C > T and 1298A > C) were also performed. Plasma levels of folate and vitamin B12 were not significantly associated with the overall risk of BC or by hormone receptor status. A marginally positive association was found between vitamin B12 status and BC risk in women consuming above the median level of alcohol (ORQ4‐Q1 = 1.26; 95% CI 1.00–1.58; Ptrend = 0.05). Vitamin B12 status was also positively associated with BC risk in women with plasma folate levels below the median value (ORQ4‐Q1 = 1.29; 95% CI 1.02–1.62; Ptrend = 0.03). Overall, folate and vitamin B12 status was not clearly associated with BC risk in this prospective cohort study. However, potential interactions between vitamin B12 and alcohol or folate on the risk of BC deserve further investigation.
Beskrivelse
This is the peer reviewed version of the following article: Matejcic, M., De Batlle, J., Ricci, C., Biessy, C., Perrier, F., Huybrechts, I., ... Chajès, V. (2017). Biomarkers of folate and vitamin B12 and breast cancer risk: report from the EPIC cohort. International Journal of Cancer, 140(6), 1246-1259. https://doi.org/10.1002/ijc.30536, which has been published in final form at https://doi.org/10.1002/ijc.30536. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions.
Forlag
Wiley
Sitering
Matejcic, M., De Batlle, J., Ricci, C., Biessy, C., Perrier, F., Huybrechts, I., ... Chajès, V. (2017). Biomarkers of folate and vitamin B12 and breast cancer risk: report from the EPIC cohort. International Journal of Cancer, 140(6), 1246-1259. https://doi.org/10.1002/ijc.30536
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