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Folate, vitamin B12 and postmenopausal breast cancer in a prospective study of French women.

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  • معلومة اضافية
    • Contributors:
      Nutrition, hormones et cancer: épidémiologie et prévention (E3N); Epidémiologie, sciences sociales, santé publique (IFR 69); Université Paris 1 Panthéon-Sorbonne (UP1)-Université Paris-Sud - Paris 11 (UP11)-École des hautes études en sciences sociales (EHESS)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Université Paris Descartes - Paris 5 (UPD5)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-Université Paris 1 Panthéon-Sorbonne (UP1)-Université Paris-Sud - Paris 11 (UP11)-École des hautes études en sciences sociales (EHESS)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Université Paris Descartes - Paris 5 (UPD5)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-Université Paris-Sud - Paris 11 (UP11)-Institut Gustave Roussy (IGR)-Institut National de la Santé et de la Recherche Médicale (INSERM); Center for Population Health Research; Insituto Nacional de Salud Publica; The E3N study is financially supported by the French League against Cancer, the European Community, the 3M Company, the Mutuelle Générale de l'Education Nationale, the Institut Gustave Roussy and the Institut National de la Santé et de la Recherche Médicale.
    • بيانات النشر:
      HAL CCSD
      Springer Verlag
    • الموضوع:
      2006
    • Collection:
      Inserm: HAL (Institut national de la santé et de la recherche médicale)
    • نبذة مختصرة :
      International audience ; OBJECTIVE: Adequate folate intake may be important for breast cancer prevention. Its protective effect may be influenced by factors associated with folate metabolism. We sought to evaluate folate intake in relation to breast cancer risk and examine whether the relation is affected by alcohol and intake of vitamin B(2) and B(12). METHODS: A prospective cohort analysis of folate intake was conducted among 62,739 postmenopausal women in the French E3N cohort who had completed a validated food frequency questionnaire in 1993. During nine years' follow-up, 1,812 cases of pathology-confirmed breast cancer were documented through follow-up questionnaires. Nutrients were categorized in quintiles and energy-adjusted using the regression-residual method. Cox model-derived relative risks (RRs) were adjusted for known breast cancer determinants. RESULTS: The multivariate RR for extreme quintiles of folate intake was 0.78 (95% CI: 0.67-0.90; p-trend = 0.001) [Median intake for Q(1) = 296 microg/day and Q(5) = 522 microg/day]. There was no evidence to support effect modification by alcohol or B(2) intake. The decreasing trend was most marked in women with higher folate and vitamin B(12 )intake. However, test for interaction was not statistically significant (p = 0.29). CONCLUSIONS: High folate intake was associated with decreased breast cancer risk. Vitamin B(12) intake may modify this association.
    • Relation:
      info:eu-repo/semantics/altIdentifier/pmid/17006726; inserm-00132245; https://inserm.hal.science/inserm-00132245; https://inserm.hal.science/inserm-00132245/document; https://inserm.hal.science/inserm-00132245/file/Folate-CCC.pdf; PUBMED: 17006726
    • الرقم المعرف:
      10.1007/s10552-006-0053-3
    • Rights:
      info:eu-repo/semantics/OpenAccess
    • الرقم المعرف:
      edsbas.C702747C