Title : Folate intake and risk of breast cancer characterized by hormone receptor status.

Pub. Date : 2005 Aug

PMID : 16103452






4 Functional Relationships(s)
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1 Thus, deficient folate status has been hypothesized to be associated primarily with ER gene-negative breast tumors, but data relating folate intake to breast cancer risk according to ER status are sparse. Folic Acid estrogen receptor 1 Homo sapiens
2 Higher total folate intake was significantly associated with lower risk of developing ER- but not ER+ breast cancer; the multivariable relative risks (RR) and 95% confidence intervals (95% CI) comparing the highest to the lowest quintile were 0.81 (0.66-0.99) for ER- tumors and 1.00 (0.89-1.14) for ER+ tumors. Folic Acid estrogen receptor 1 Homo sapiens
3 The inverse association between total folate intake and ER- breast cancer was mainly present among women consuming at least 15 g/d of alcohol (multivariable RR, 0.46; 95% CI,=0.25-0.86; top versus bottom quintile). Folic Acid estrogen receptor 1 Homo sapiens
4 These findings support the hypothesis that higher folate intake reduces the risk of developing ER- breast cancer. Folic Acid estrogen receptor 1 Homo sapiens