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Publication Detail

Title: Circulating enterolactone and risk of endometrial cancer.

Authors: Zeleniuch-Jacquotte, Anne; Lundin, Eva; Micheli, Andrea; Koenig, Karen L; Lenner, Per; Muti, Paola; Shore, Roy E; Johansson, Ingegerd; Krogh, Vittorio; Lukanova, Annekatrin; Stattin, Pär; Afanasyeva, Yelena; Rinaldi, Sabina; Arslan, Alan A; Kaaks, Rudolf; Berrino, Franco; Hallmans, Göran; Toniolo, Paolo; Adlercreutz, Herman

Published In Int J Cancer, (2006 Nov 15)

Abstract: It has been suggested that phytoestrogens protect against hormone-dependent cancers. Lignans are the main class of phytoestrogens in Western diets. We conducted a prospective study of endometrial cancer and circulating levels of the main human lignan, enterolactone. The design was a case-control study nested within 3 prospective cohort studies, in New York, Sweden and Italy. Serum or plasma samples had been collected at enrollment and stored at -80 degrees C. A total of 153 cases, diagnosed a median of 5.3 years after blood donation, and 271 matched controls were included. No difference in circulating enterolactone was observed between cases (median, 19.2 nmol/L) and controls (18.5 nmol/L). Adjusting for body mass index, the odds ratio for the top tertile of enterolactone, as compared to the lowest was 1.2 (95% CI, 0.7-2.0; p for trend = 0.53). Lack of association was observed in both pre- and postmenopausal women. No correlation was observed between enterolactone and circulating estrogens or SHBG in healthy postmenopausal women. These results do not support a protective role of circulating lignans, in the range of levels observed, against endometrial cancer.

PubMed ID: 16929490 Exiting the NIEHS site

MeSH Terms: 4-Butyrolactone/analogs & derivatives*; 4-Butyrolactone/blood; Adult; Aged; Biomarkers, Tumor/blood*; Case-Control Studies; Endometrial Neoplasms/blood*; Female; Humans; Italy; Lignans/blood*; Middle Aged; New York; Odds Ratio; Prospective Studies; Risk Assessment; Risk Factors; Sweden

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